Tube amplifier schematic pcb jobs

...I'm venturing into a solar-powered USB module in my circuit design utilizing a SAMD51 microcontroller, I'm in need of expert assistance to address some issues with my current PCB design. I have the existing design and fab files at hand, but the project has not achieved its full functionality. - Key Issues: The circuit is experiencing power supply issues presumed to stem from the Voltage regulator, compatibility issues with the microcontroller, and an unresponsive USB output. These are the primary targets for debugging and solution creation. - Ideal Expertise: I am seeking an experienced engineer knowledgeable in PCB design, solar power modules, and the SAMD51 microcontroller. The individual must have a track record of troubleshooting and resolving power supply...

I need a proficient PCB designer, ideally familiar with ATMEL microcontrollers, to help in circuit prototyping. The circuit is of advanced complexity, consisting of multiple components that interact with each other. Key details: - The project is not basic, it involves multiple components that need to interact. - Familiarity and experience with ATMEL microcontrollers is required. - Despite its complexity, the design will not require integration with any other hardware. The perfect freelancer for this job should have a robust background in PCB designing, particularly for circuit prototyping, and must be a quick problem solver able to identify and correct potential issues swiftly through their design process.

Please Sign Up or Login to see details.

I'm in need of a freelancer who can help me with a project in the industrial sector. The project involves the following: - Specifying the necessary parts for the project - Creating a detailed schematic - Designing a PCB - Generating a 3D model of the project This project requires a high level of precision and accuracy since it's intended for industrial application. Your work will be crucial in ensuring the success of the project. In terms of software, I have not made a decision on which specific software to use yet, so I'm open to your suggestions and expertise in this area. Please keep in mind that I haven't set a specific deadline for the project yet. However, I would appreciate it if you could give me an estimate of the time it would take you to co...

I am in need of an EMV card reader PCB with Bluetooth capabilities, expressly for the logging of data. Here are the specifications for the task: - Main Purpose: The core purpose of the EMV card reader is Data Logging. - Data Required: The data to be logged includes the Card number and Transaction Details, the Time and location of card usage, plus the Type of card and Cardholder's name. - Storage: The logged data should be stored on the device. For this task, excellent knowledge of PCB design and Bluetooth technology is key, with proven experience in dealing with EMV card readers, along with knowledge of secure local data storage solutions. Familiarity with data privacy regulations is also advantageous, considering the sensitive nature of some of the data to be logged.

I need an expert in PCB design to create a small magnetic levitation motor. My ideal designer would possess stellar skills in: - Microcontroller-based circuit design. - Magnetic levitation systems. - Power efficiency management. The project doesn't require utmost power efficiency, a basic level would suffice. Although compact, this tiny maglev motor device should be firm and durable with functionality on par with larger models. A prototype, design files and instructions for assembly/testing will be essential deliverables. Previous experience working on similar miniaturized projects would be advantageous. Your ingenuity will be crucial in the success of this project. Let’s chat more about how you can help bring my vision to life. This magnetic levitation motor is used ...

I'm experiencing an issue with my ESP32 software, written in C++, where it consistently hangs on the first screen. I need a developer to dissect and fix the root cause of this problem. The ESP32 runs a program that allows users to control levels of a gas coming through a tube. I mixes 100% CO2 with room air. When the machine starts up it goes through a calibration process and gives a message saying "Don't put on the Mask". After the calibration process then it allows user to adjust the time/session duration. After editing some code it is getting stuck on the "Don't Put on the Mask" message during calibration and not getting to the next screen. When my other developer compiles the code on his computer it works fine on the same device. However wh...

I'm seeking an experienced PCB Design Engineer to develop a small, multilayer PCB using Altium Designer. Requirements: - The PCB should be small in size - The design needs to be multilayered - Proficiency with Altium Designer is essential Please note that the project does not involve any other software beside Altium. The project is urgent, so timely completion is a crucial factor. Ideal Skills: - PCB Design with Altium Designer - Experience with small, multilayered PCBs - A track record of delivering projects on time Looking forward to your proposals.

I'm looking to have a simple and basic circuit designed for a consumer electronic device. The m...for a consumer electronic device. The main specifications for this project are as follows: - Purpose: The PCB design should be specifically tailored for consumer electronics. - Size: The PCB needs to fit within a compact area, limited to less than 10x10 cm. This will require the designer to be adept at compact and efficient design practices. - Complexity: The circuit itself is rather straightforward, similar to a basic LED circuit. No multi-layer, high-speed signal processing is involved. Ideal skills and experience for this job would include: - Proficiency in consumer electronics PCB design - Strong grasp of basic circuit design principles - Experience with comp...

I'm in need of a skilled expert in machine learning, with a focus on supervised regression and extensive experience handling numerical data. Your primary task will be to develop a reliable algorithm that can predict continuous values - in this particular case, related to the project's data. I looking for machine learning algoirthm implementation to be trained and automatically draw schematic interconnection for 2 IC's or GPU. This project is basic college project. Key Requirements: - Proficiency in supervised learning techniques, particularly regression. - Strong experience in working with numerical data. - Ability to build a well-structured, efficient machine learning algorithm. This is a great opportunity to showcase your machine learning skills and contribute t...

I am on...Aspects: - Circuit Diagram Interpretation: I've reached an advanced level of understanding, but a deeper interpretation is required for me to grasp the intricacies fully. - Circuit Symbols & Fault Follow: My current challenge is the in-depth interpretation of circuit symbols and understanding how to follow faults using the SLD. Ideal Skills and Experience: - Detailed understanding of SLDs and schematic diagrams. - Proficient knowledge of electrical classic control. - Experience in handling Siemens substation systems will be beneficial. - Expertise in troubleshooting circuit symbols and their functionalities. - Capable of decoding complex circuit interconnections and signal paths. I look forward to a proficiency drive that will broaden my understanding of t...

...for a product idea. See I need a quick turnaround. please include at least 3 examples of isometric work in your bid. thanks for bidding For my first sketch I need an “ice chest freezer” based on the attached schematic. The final version looks like the 2nd image. The part list is included below: (just in case you don't know) Ice Chest https://www.amazon.com/Igloo-Removable-Free-Standing-Temperature-Basements/dp/B0CGKM3MK3/ref=sr_1_4_sspa?sr=8-4-spons&ufe=app_do%3Aamzn1.fos.c3015c4a-46bb-44b9-81a4-dc28e6d374b3&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY Chiller coil (inside ice chest)

I need an illustrator to do 2 concept sketches for a product idea. like this: I need a quick turnaround. please include 3 links of previous sketches in your bids thanks for bidding For my first sketch I need an “ice chest freezer” based on the attached schematic. The final version looks like the 2nd image. The part list is included below: (just in case you don't know) Ice Chest https://www.amazon.com/Igloo-Removable-Free-Standing-Temperature-Basements/dp/B0CGKM3MK3/ref=sr_1_4_sspa?sr=8-4-spons&ufe=app_do%3Aamzn1.fos.c3015c4a-46bb-44b9-81a4-dc28e6d374b3&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY Chiller coil (inside ice chest) https://www.amazon.com/NY-Brew-Supply-AZ-W3850-CV-chiller/dp/B01893T0SC/ref=sr_1_5?sr=8-5 Radiator https://www

I'm looking for a skilled PCB designer to create a simple board for circuit prototyping. Key Requirements: - The design should fit within dimensions ranging from 5x5 cm to 10x10 cm. - The board would primarily include passive components and miniature ssrs, so experience with these is crucial. - No specific components to be included apart from the passive components and miniature ssrs.

PCB design for a scale with a 4G module to send results to WebServer using HTTP Post. Circuit is intended to be powered from battery with a support of solar panel. MCU will STM32 and 4G GSM module will using SIM7000

Looking for an expert in PCB design with hands-on experience in Fusion 360. I have completed a schematic that requires transformation into a PCB layout, adhering to several specific constraints. I am expecting: - Proficiency in Fusion 360. - Ability to accurately follow detailed instructions related to layout constraints. - Extensive understanding of PCB fabrication processes, more specifically conventional PCB fabrication. So, if you consider yourself an seasoned PCB designer with the ability to follow precise specifications, I would love to hear from you. Join me in bringing this project to fruition.

...UART is essential for the job. the most important detail of the project as follow : A-the part we already done and proven its functionality : 1-the wheelchair are driven by dual DC motors and power with 24 volt battery. the dc motor and the mechanical part of the wheelchair already manufactured and tested. B- the part we need you to accomplished with industrial standers : 1- the complete schematic ,BCP and the manufacturing Gerber file . 2- the complete firmware code. information about the unit : 1-we had a joystick with driver that can help interesting candidate for reverse engineer. the dc motor does not contain any external sensors , the dc motors contains electric brake similer to any dc motor of wheelchair ,there is a close loop system using BEMF ,and current resisto...

...am in need of a PCB designer with experience in developing multi-layered boards for prototyping purposes. We have an existing design that needs some simple changes. This should be a short/fast project. Key Requirements: - Experience with ESP32-S3 - The design should be optimized for a multi-layer board (two layer if possible) - The board will need to integrate microcontrollers, an ePaper display, and power management components - Experience in designing PCBs for prototyping required - Currently the design uses a TTL connection for uploading firmware Your tasks will include: - Understanding the project requirements and goals - Make necessary updates to design files - Assist software (firmware) team in loading/executing firmware (Arduino IDE) - Designing a multi-layer PCB...

Change the position of CC1101 and then change the size of the enclosure

We are seeking a highly skilled PCB designer to develop a custom board featuring the RP2040 microchip to control multiple DC motors and MOSFETs, with integrated voltage regulation. This project requires expertise in high-power applications, voltage regulation, and serial communications. Project Requirements: Microcontroller: RP2040 chip to manage all operations. Power Handling: Board must handle input of 24V. Voltage Regulation: Conversion of 24V input to 12V and 5V outputs. MOSFETs: 5 MOSFETs for 24V, 7A control. 4 MOSFETs for 12V, 5A control. Communication: USB Type-C for robust serial communication. Inputs and Outputs: 2 analog inputs. 1 One Wire communication interface. Additional pins for digital input/output as required. Deliverables: Complete PCB design files ready ...

I am on the lookout for a highly skilled electrical designer with in-depth knowledge of electrical and schematic designs for commercial, residential, and institutional and healthcare projects an asset. Your role will involve: - Designing electrical design and schematics for commercial spaces including but not limited to office spaces, retail stores and restaurants - Creating detailed layouts that ensure safety and comply with all electrical codes and standards - Conducting thorough load analysis to optimize electrical system performance Having previous experience in electrical design will help to better understand the job requirements and deliver high-quality results. This project involves all aspects of electrical design including residential, commercial, healthcare, and inst...

I am seeking a talented mechanical designer with expertise in any 3D software who can support with the digital 3D prototyping phase of my project. The output files must be parametric files that can opend by FreeCad (I not accepted any mesh files as output). Main duties include: - Making use of 3D SW to crea...requirements. Ideal Skills: - Proficiency in 3D software - Extensive experience in 3D prototyping - Strong communication skills - Attention to detail - Experience in the field of mechanical design. Please share your past projects related to 3D mechanical prototyping using FreeCad to support your bid. The design includs a differential unit (reduced to 3 tooth wheels) and a freewheel ratchet. A schematic description will be sent to the cadidate freelancers. This is a su...

I am in need of an experienced PCB designer who can create a small PCB module with the following features: - ESP32 - SIM module - Gyro - Battery backup with charging port Ideal skills and experience for this job include: - Extensive experience with ESP32 and SIM modules - Proficiency in PCB design software - Knowledge of battery technologies suitable for motorbike use - Understanding of gyro and sensor interfacing - Ability to design a compact PCB (less than 5cm x 5cm) Please provide samples of your past PCB designs in your bid.

...focusing on building wiring. This project is for a college assignment. The project requires the preparation of the following AutoCAD drawings: Containment Drawing: Showcasing the paths and management of electrical conduits and other containment systems. All containment will be mounted on suspended Unistrut brackets, with a minimum of 800mm of space above the false ceiling. Single Line Schematic: A detailed schematic for the main distribution board, illustrating the arrangement and connections of switches, fuses, circuit breakers, and other electrical components. Layout Drawings: These will include separate sheets for: Fire Alarm System: Displaying all devices and their connections throughout the building. General Services & Power: Illustrating the placement and rou...

Hello and Thank you for being here Need to make an mp3 from youtube - have done this before but "today" it is a jungle Do you have a link without "maleware and garbage pop ups" "one that is a good link"? Really will give a great 5 star review if you can help me out? is that correct ? Will give a 5 Star Review when this is done and will write such inspiring words for you, when done. Please understand; there is hope you can give your “best” price; been unemployed, and have cancer with bills backing up, $10 possible? Please note $10 is the max total that I can handle for this (doing hourly reduces % fee). Will leave a Glowing paragraph of feedback 5 stars : - ) My funds are low but will pay quick and leave 5 stars. Please give your best po...

I'm seeking a PCB engineer who's proficient at PCB layout design, circuit analysis and troubleshooting, and component sourcing. The project entails: - PCB Layout Design: The project calls for a standard size, multi-layer PCB. The ideal candidate should have the ability to design and implement PCB layouts that are both efficient and effective. - Circuit Analysis and Troubleshooting: The successful candidate will need to be able to analyze and troubleshoot circuits efficiently. They should be knowledgeable in a variety of circuit types and be able to deal with complex circuits. - Component Sourcing: The project also involves sourcing the necessary components for the PCB. The right candidate should be able to locate quality parts and ensure...

I’m looking for a professional to review and optimize my PCB layout design. The aim of this review is to identify any design errors, ensure proper component placement, and validate the power and ground connections. Key tasks include: - Identifying design errors: Your role is to meticulously go through the PCB layout and spot any potential design flaws. - Checking component placement: It's crucial to ensure that all components are correctly placed and oriented as per the design requirements. - Verifying power and ground connections: A thorough check on power and ground connections is vital to eliminate potential circuit issues. Your expertise in PCB layout design, analysis tools and techniques will be a valuable asset for this project. Experience with simil...

I am looking for someone skilled in the field of STM32 programming, with expertise on Wiz5500. We already have a working firmware running on our custom PCB that uses the Wiz5500 to display a web page with basic interfaces. The project consists in modifying that firmware to integrate two new features : 1) After sending data from webpage to mcu, we cannot use the web browser refresh button because it re-sends the data again. We want to fix this by either re-directing automatically to the main webpage after sending data or some other way you can propose. 2) We want to synchronize the mcu with the local time. This can be done by synchronizing with the NTP server or some other way you can propose. We would like the webpage to keep working during the synchronization with NTP serve...

As an individual working on a project, I need support with OrCAD. Specifically, I require assistance with: - The designing of a schematic - Simulating the subsequent circuit behavior The particular circuit is complex, requiring expertise in a variety of component types. Your knowledge should extend to understanding the function and interaction of these component types in a complex circuit. The project timeline is fairly critical. I anticipate the work to be completed within 1-2 weeks from the start date. Please take this into consideration when bidding. Ideal skills and experience include: - Extensive experience with OrCAD Schematic Design & Simulation - An understanding of a range of component types - Comfortable in working with complex circuits - The ability to ...

I’m looking to make a smart controller that can integrate with 12v compressors for inflating tires on off road vehicles. Mainly I need the the pcb and electronics designed and I can make the housing and everything else. If you would also want to design the housing in ok with that. Needs to be almost waterproof. Mainly splash proof and heat resistant. It will be mounted in the engine bay. As far as the controller goes all it need to be able to do is check pressure from a pressure sensor that will be connected in line from the compressor and control a 12v output source(5a at 12v) to trigger the compressor to turn on as well as for deflating need a valve to be controlled to air down to set pressure. Looking for keep it as simple as possible. Only gonna need about 4 buttons. Maybe...

I'm in need of a skilled PCB designer to create a design for a straightforward electrical device focused on temperature control. Key Details: - The main function of the device is temperature control. - I already have in mind the components that I need for the device such as temperature sensors, and cooling/heating elements. - The desired temperature range for the device to control is around 40°C. Desired Skills and Experience: - Proficiency in PCB design, particularly in the context of temperature control devices. - Experience in working with temperature sensors and cooling/heating elements. - Understanding of the thermal dynamics and the design constraints of temperature control devices. - Ability to bring this project to life in a timely and cost-effective manne...

I'm looking for a skilled PCB designer to help me repurpose an old laptop keyboard and monitor to work via a desktop host. Key Project Features: - **Repurposing Old Hardware**: The main aim of this project is to make use of an old laptop's keyboard and monitor. The PCB should make it possible to connect these to a desktop host. Ideal Skills and Experience: - **PCB Design**: You need to have a strong background in designing PCBs. It's crucial that the PCB you design supports USB and HDMI connectivity, and allows for key mapping and backlight control for the keyboard integration. - **Embedded Systems**: Experience with embedded systems is a big plus as it helps in seamlessly integrating the keyboard and monitor to the desktop host. - **Hardware...

This is a project for concept design, schematic design and design development of a detached single family house. *Project Description* An architect is sought to deliver a concept, schematic design and design development of a detached single family house in a rural/natural setting. The house would be on two floors with gross area in total approx. 350sq m, plus basement. The work will be based on a rough sketch of the floor plans that we will provide, along with other program requirements. The architect will be required to improve our project program in communication with us, in order to identify opportunities, cost savings, and extra value in the project of which we may not have been aware. The results of this project must be suitable to serve as inputs towards a complete ...

I am personally embarking on my master's project, necessitating an expert in Altium for a basic PCB layout design. While the overall complexity anticipated remains on the basic side with limited components and layers, the designer's prowess in utilizing Altium effectively will be respected and appreciated. Skills and Experience: - Mastery of Altium software - Proven experience in PCB layout design - Affinity for crafting basic designs with few components and layers.

...accesss via male connector (compatible with Raspberri Pi) These are the main requeriments, maybe other minor will appear during the design. I can provide schemas for all the parts involved (can bus, LVDS, AIS,...). The job consist in the design of the board merging all schemas in one, and generate all the files needed by JLCPCB or oher manufacturer to produce the board. Ideal skills & experiences: - PCB Design and Raspberry Pi familiarity - Hardware architecture knowledge - CAN protocol and USB/Ethernet port integration - LVDS and PCI express slot integration....

We're seeking an individual who can help develop a BLDC motor circuit (with IR / RF) also capable of reverse engineering and conducting comprehensive analyses of each component and functionality, and redesigning them to improve performance and efficiency, someone who can design a working PoC and demonstrate their mastery of the redesigned circuit. - Multi-layer PCB Design - Reverse Engineering - Extensive knowledge of Digital Electronics - Experience working with brushless motors. - Firmware development/coding skills (c, c++, assembly or similar skills) - working knowledge of multiple ICs Once the project is completed, along with the BOM file and GARBER file, the PoC project also has to be submitted. IMP: Freelancers must sign an NDA before beginning to work on the project.

I'm looking for a skilled and experienced electronic engineer who can assist me in building an intermediate-level electronic prototype. The main objective of this project is to create a functional prototype, which will involve a moderate level of programming. No custom PCB design is necessary for this project. Ideal skills and experience for this job include: - Proficiency in electronic engineering with a focus on prototyping - Strong understanding of Arduino programming - Experience in building electronic prototypes with multiple components - Ability to work on intermediate level projects that require moderate programming - Good problem-solving skills and attention to detail If you think you have the right skills and experience for this project, please submit your proposal...

I've nearly completed a PCB layout using Altium Designer, but need help finalizing it. Key Requirements: - Adding an "On/Off Button": I need an experienced designer to integrate this feature into the design. This will require a deep understanding of PCB layout and design principles to ensure it's correctly implemented. Ideal Skills: - Proficient in Altium Designer: You must have a strong background in using this software to work on the incomplete PCB design. - PCB Design Experience: A solid grasp of PCB design principles and best practices is essential to successfully finish the layout. - Previous Completion Projects: It would be beneficial if you have a track record of completing PCB designs. By taking on this project, you&...

I'm in need of an experienced PCB designer who can modify a trace routing on a PCB gerber file. The specific requirement is to interrupt one of the traces, but ensure it can be easily jumpered. Key Requirements: - Expertise in PCB design and Gerber file modification - Ability to efficiently modify trace routing while maintaining the original design integrity - Understanding of how to create a jumper-friendly trace interruption Ideal Candidate: - Prior experience with similar trace routing modifications - Great attention to detail and an understanding of the importance of trace integrity in PCB design - Ability to communicate effectively to ensure the requirements are fully understood and implemented

This is an extended version project of previous AMS5915 Pressure Sensor PCB with integration to extra features

This project consist of following phases for its prototype development. Phase 1. Hardware Design 1. Schematic design 2. PCB Design 3. BOM (Bill of material) , PCB Gerber 4. PCB Fabrication 5. Components/Part procurement 6. PCB assembly Phase 2. Firmware/Code development and PCB testing Deliverables will be as given below: 1. Source PCB files 2. PCB Geber 3. BOM (Bill of material) 4. Source firmware 5. One working Prototype

We're seeking an individual who can help develop a BLDC motor circuit (with IR / RF) also capable of reverse engineering and conducting comprehensive analyses of each component and functionality, and redesigning them to improve performance and efficiency, someone who can design a working PoC and demonstrate their mastery of the redesigned circuit. - Multi-layer PCB Design - Reverse Engineering - Extensive knowledge of Digital Electronics - Experience working with brushless motors. - Firmware development/coding skills (c, c++, assembly or similar skills) - working knowledge of multiple IC's Once the project is completed, along with the BOM file and GARBER file, PoC project also has to be submitted. IMP: Freelancer must sign an NDA before begin working on the proje...

Create PCB with eps32 and relay in Easy eda

...it with a 4G mobile module (SIM7600 or equivalent that work in Australia/Telstra). - 1 X Sim slot. - 2 X External antenna connectors SMA - 1 X Power LED for CM4 - 1 X Activity LED for CM4 - 1 X Multicolour LED for signal strength of mobile module. - The carrier board should be made as small as possible. Skills and experience: - Freelancers interested need proficiency in electronics and PCB design, along with a deep understanding of Raspberry Pi Compute Module 4. Experience in custom carrier board design and SIM7600 or equivalent 4G mobile module that works in Australia on Telstra also required. The freelancer would be expected to have sample units manufactured and tested for functionality (third party manufacturer ok - Cost will be paid by me). - Applicants able to de...

We're looking for someone to help us design new style racing seat for our racing simulator. Unlike traditional racing seat which has a seat back and a seat bottom, we are looking for any creative designed to help us design a formula style racing seat. When designing the seat, we are looking to reduce the size of the packaging, so from manufacturing s...bottom, we are looking for any creative designed to help us design a formula style racing seat. When designing the seat, we are looking to reduce the size of the packaging, so from manufacturing stand point, the seat needs to be disassembled into smaller pieces. I have attached a few example of similar seats that we're currently looking for. As for the framing, we can use either square, round tube, metal plate, and alum...

Are you a creative and detail-oriented designer with a passion for creating eye-catching label designs? Our brand is seeking a Label Design Specialist to revamp our current label designs and incorporate new colors into our product lineup. Responsibilities: REVAMP EXISTING designs for our product lineup, including two new colors (gold and pink) while maintaining consistency and brand identity. Create visually appealing label designs that complement our shiny metallic bottle effect and bright, vibrant brand colors. Work closely with us so we can supply your design to production team to ensure accurate reproduction of designs on labels. Requirements: Proven experience in label design, preferably in the skincare/suncare/beauty space. Proficiency in graphic design software such as Adobe Ph...

I require the development of a Printed Circuit Board (PCB) based on provided schematics and design guidelin. This PCB is specifically designed to amplify signals from a silicon PIN diode used to sense gamma radiation. Top Features: A PIN photodiode, four low-noise op amps and a comparator are used to detect individual photons of gamma radiation. Expertise: - A solid background in PCB design and experience in providing PCB manufacturing data Expected output: • Schematic and Source data in EAGLE or Protel 98/99/SE/Altium/Protel-DXP format. • Extended Gerber File RS-274X. • Bill of Materials (BOM) in Excel format, based on components from Digikey or Mouser. • Pick-N-Place / XY-File. Please share relevant experience and sample work.

Hello there, I have a working Op Amp circuit that I would like to increase the output Gain from 2 to 4. I have +12v single supply, I have Schematic In Altium. Please Check attachment. Let me know if you can help.

I need a proficient Embedded Engineer to design a PCB prototype for cryptocurrency mining. More details will be shared over a chat