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    1,288 i2c jobs found, pricing in USD

    I need Arduino mega and esp8266 two way communication I2C. I need to send different data from mega (different sensors value) to esp8266 and then esp return other data from other sensors. Final data received must be converted to byte, int, float,... depend of sensor... The best way for me is if you can put together: I2C and json (link) Example I2C: [login to view URL] JSON: [login to view URL] Pr...

    $16 (Avg Bid)
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    3 bids

    Programming Languages EMBEDDED C, C++, SHELLSCRIPTING, PYTHON Operating Systems WINDOWS, LINUX, ANDROID Micro Controllers ARM_CORTEX_M3 & M4, PIC, AVR Microprocessors ARM9 &ARM11(AM335X, BCM2837, SP4418), EC-20 GNU/Linux tools GCC, GDB, ABD ,VIM CSCOPE Protocols UART, SPI, I2C, TCP/IP, DLMS, MQTT Modules RFID, GSM, GPS, WI-FI & BLUETOOTH Simula...

    $182 (Avg Bid)
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    11 bids

    I am looking for PCB design, and the Gerber files to hand to prototypers. the circuit will use for a local textile machines *Components will include PCB, IR (Emmitor- detector), a small microprocessor, power transistor to drive a relay, a dual color LED, and the circuit will communicate with a mega Arduino via I2C protocol. *small program to operate the PCB. *the body form will be a whole disk wi...

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    22 bids

    A project that receives performance/production industry DMX512 protocol data to control LED brightness and stepper motor control. A series of sensors, probably using I2C is involved. Sensors would be temperature, optical position encoding and others. Touchscreen panel required. Need a committed and reliable person to work on project, using bare metal programming on the raspberry PI. Some open sour...

    $18 / hr (Avg Bid)
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    17 bids

    Hello, We want to Read SPO2 as well as HRM data based on Osram SFH 7072 and nRF52. 1) [login to view URL] 2)[login to view URL] We use currently that development board for setup prototype. Development tool use:- Arduino IDE Work :- Connect heart rate sensor board (1) with Arduino nano 33 BLE sense(2) and read internal data of SPO2 as well as HRM and Send over terminal. We want to use Arduino...

    $391 (Avg Bid)
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    10 bids

    *Components will include PCB, IR (Emmitor- detector), a small microprocessor, power transistor to drive a relay, A dual-color LED, and the circuit will communicate with a mega Arduino via I2C protocol. *small program to operate the PCB. *the body form will be a hole disk with 30 mm out diameter the hole dia is 10mm and with a good design. 1- we want a PCB circuit with 30 mm out diameter and a cent...

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    22 bids

    Thanks for your intereset, this Project is divided into Three parts. 1. Connection of the device 2. Collect MPU9250 data 3. FFT process of MPU9250 data 1. First check in SPIFFS if there is any know wifi Connection site, the ssid and password be located in clear text in the SPIFFS file. If there is no availably Connections set ESP32 in servermode with SSID and Password from SPIFFS setup. If a new...

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    Hello, I need a PCB designer who's able to modify a current pcb on CADSTAR (Design Editor Version 13.0) : - switch from 2.7" pervasive display e-ink to 3.7" good-display e-ink - switch from NXP NTAG to NXP NTAG I2C Plus - keep only main chips: NXP Cortex M0 LPC11U37 Microcontroller, NXP NTAG I2C Plus NXP UHF UCODE 3.7” e-paper - remove arduino shield, usb, capacitive buttons...

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    - Develop Arduino Code - Arduino Mega, rotary encoder, lcd2004 I2c, DHT22, relays, and so on.

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    25 bids

    We are looking for someone to have a long term relationship with and will provide support and guidance even after project completion on different Social Media ventures like YouTube. For more information, feel free to contact us. Your First Task: You will be responsible for creating an introductory video for i2cTraining and i2c Business Solutions (i2cbs). Please understand we expect a total of 2 v...

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    I need a firmware written for a custom board made using an ATMEGA4809. Major skill needed for doing this software are: Switching I/O Timers Interrupts MODBUS RTU comunication protocol Controlling a I2C display. Attached you will find Software Description and board schematic. The software will need to be well commented. Please do not use arduino IDE THE SOFTWARE MUST BE DONE IN AUTONOMY! I can ex...

    $570 (Avg Bid)
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    34 bids

    I am looking for PCB design, and the gerber files to hand to prototypers. *Components will include PCB, IR (Emmitor- detector) ,a small microproccessor, power transistor to drive an actuater coil, a dual colur LED, and the cercuit will be comunicate with a mega aurduino with I2C protocol. *small program to operate the PCB. *the body form will be a hole disk with 30 mm out diameter and with a go...

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    37 bids

    I want an expert to design me a PCB that has an ESP32 embedded on it (something similar to the attached image) and add the next to it: -Buck converter circuit DC to DC 5v (step down) - x2 PCA9685PW using I2C connection - Custom logo on the board I want 3D view for the circuit. the PCB can be more than 2 layers. there is more details about the circuit... I want the gerber files to order it online.

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    We are currently seeking an Embedded Engineer to help design and build our embedded systems in our new generation of electronics. JUMP seeks professionals who are passionate about making cities around the world a better place to live and bike, care about customer experience, and can help us continually improve our product. What You’ll Do * Design, develop and maintain embedded application...

    $32 / hr (Avg Bid)
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    Hello, I would like to use a 1.3" OLED LCD Display Module IIC I2C Interface 128x64, instead of the 20x4 LCD I2C shown in the Layout picture. I require someone to edit the sketch to make this change. I have included pictures and the sketch in the files section. Thank you.

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    5 bids

    Reading Smart Batteries SoC over SMBus (I2C) using an Arduino and sending from the Arduino over I2C telemetry data to the LTC4015 to control charge current and voltage for the Smart Battery.

    $140 (Avg Bid)
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    24 bids

    I'm trying to get an idea on price and timing on designing a prototype board. The complete module will include 3 parts, but this project is only about power management. All should be as power efficient as possible. Each input/output should be protect for reverse voltage/high voltage Able to sustain 70 degree Celsius -20 I'm open to any changes if it makes sens or add something. There ...

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    I want to make a vending machine controller based on Raspberry Pi and Arduino. It will use pulse based multi-coin acceptor and bill validator. 20x4 I2C LCD and Matrix keypad will be the GUI. I will provide sources from an open source VMC based on Orange Pi Zero for guide.

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    20 bids

    Pic16 reading temp and voltage values using I2C and sends the information to a 2nd pic 16 . So one pic reads the data and makes decisions based on that data.

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    Pic16 reading temp and voltage values using I2C and sends the information to a 2nd pic 16 . So one pic reads the data and makes decisions based on that data.

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    2 bids

    Español o ingles./ Spanish or English. PCB board development for BME280. Minimum width. I2C as input with 2 pads top and 2 bottom (SDA and SCL in one side and VCC and GND in other side). No holes for I2C connection. Only 2 layers Take care with the model: BME has temperature, presure and humidity! PCB will be developed in Proteus or Altium. Project files and Greber files will also be provi...

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    21 bids

    One pic16 communicates with another using I2C

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    I have a datalogger system, developed in C, on the basis of a Texas Instruments MSP430FRxxx series microcontroller which stores data to an SD card using the FATFS open source code. I would like to integrate a Bluetooth (or Zigbee or cc2500) module to allow remote data retrieval from the datalogger in the field and to query the status of the datalogger and set control parameters. The control unit c...

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    looking for embedded engineers having expertise in following areas: PIC microcontroller ARM Cortex M3/M4 digital I/O (GPIO, UART, SPI, I2C, PWM) STM32Fx, NXP, EFM32 new freelancers are also welcomed. I am looking for a freelancer who can work for a long term. I will share work details in chat

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    Need a 4 channel (2 x pt100 with max31865 and 2 x 4-20 mA with i2c) datalogger on raspberry PI usb. Every 2 sec create a new entry on a csv file in usb. Every day create a new file with date as name

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    Thank you for your interest in my project. Esp based multisensor pcb design I'm looking to build a product, from electronics design and manufacturing. I'm looking for engineer who can lead this project and help me though the process. Requirements - Esp8266 - Micro usb power and programming - Cp2102 usb serial - Bme280 temperature humidity - i2c - Am312 motion - Bh1750 luminance - i2c -...

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    30 bids

    Hello, My project is a management system for an interior stealth greenhouse for growing hemp :) For now, I've created/edited on Tasmota_FW a few codding lines in order to make it functional, and it is quite functional, however, I do not have the skills to make automation dependant on the esp8266/atmega728p, instead of relying on HA for automation. My goal is to automate the system directly on...

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    Programming in C in AVR studio The controller will start and initialise the sensors then read data from the sensors via I2C, in adition the controller shall count interrupts on two different input pins. The interrupts counts shall be calculated as number of interrupts per hour. Store the data in ram and deliver the data to the serial port (UART) when requested by an external command. When the c...

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    We need a quick integration of MAX32664 Version D with Nrf 51422 ( Ndk -51 ) Board. The integration is essentially i2C code. The code should run on Nordic SDK 10 and Keil uVision 5 Thanks

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    There are 2 boards : Master : NUCLEO-G071RB (based STM32G071RB) Slave : STM8SVLDISCOVERY (based STM8S003K3) I2C characteristics are: Speed - 100000, 7bit address, slave address 0x30 need transfer 4byte. Master initiate the communication. In master the pins that used are PB8 and PB9. In slave the pins for communication are PB4 and PB5.

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    1. Sort out power issues: our device (with 2 nRF MCU and sensors) will be power from the LED driver (SR, DEXAL, or other DALI part 150/250 / ANSI C137.4-2019 compatible LED Drivers). The connection is only 2 wires providing both power (~15v) and the data/signal to the LED Driver. Prototype the power converter on a breadboard to measure power parameters (volt and mA availability). 2. Develop the s...

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    Hi freelancers Looking for electronics engineers having good experience in following modules: • Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC and STM32. • Drivers (GPIO, UART, SPI, I2C, PWM....) • IDEs like Keil MDK V5, ATmel studio and MPLab XC8.

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    I am looking for individual who is professional in STM32 firmware engineering. Must willing to work more than 2 months from now on. Familiar with DALI protocol is great plus. Start bid from "Firmware" and attach link I2C using FreeRTOS you have done so far. Hourly rate will be $15~25 and weekly limit is more than 30 hours so full time freelancers only, not moon rider.

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    Looking for specialist in STM32 series arm cortex chip, and this will be ongoing project. So I am collecting the idea how to handle this task whether it is fixed price based or hourly based. Experience in DALI will be great bonus. Must provide personal link for I2C using FreeRTOS otherwise will be discarded.

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    Looking for specialist in STM32 series arm cortex chip, and this will be ongoing project. So I am collecting the idea how to handle this task whether it is fixed price based or hourly based. Experience in DALI will be great bonus. Must provide personal link for I2C using FreeRTOS otherwise will be discarded.

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    Using this tutorial as a base for the project - [login to view URL] - update to use a MCP23017 GPIO expander (I2C device) - and add digital read/write to code. Using the adafruit MCP23017 ("Adafruit_MCP23017.h") library (and wire.h or similar library if needed to map I2C pins). Using this board - [login to view URL] . Need to map I2C (SDA and SCL pins - suggested using pins 12/SDA a...

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    Looking for a professional embedded developer in Keil and CubeMX for the DUAL-CORE STM32H747XI, which controls AD9959 via QuadSPI. Also full support of 3 ADCs 2 DACs I2C SPI UART via interrupts and DMA. Start working remotely on my Evaluation Board, then on the actual PCB, which will be ready in 2 weeks.

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    We have a raspberry pi that is going to be running a vending machine. We are using woocommerce for our website. We would like to develop two things. A gui for the Touch Screen on the vending machine itself: - should have knowledge of how to integrate the gui to call the sql database on the woocommerce site for pricing and photos of the button. - should have knowledge on how to integrate twilio to ...

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    This is for the first part of the PN532 NodeJS I2C IRQ Project

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    Circuit board assembly (circuit board diagram) Two circuit boards: 1. First circuit board: a. Sensor MAX30102 (I2C) (one side) b. Component-related elements and cables (other side) 2. Platine: a. Microcontroller b. Bluetooth-Module c. Rechargeable power supply with battery, rechargeable via mini-USB d. Cable from circuit board 1 e. Other necessary elements Tasks 1: Search for suitable, certified...

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    Quick project for interface in NodeJS using I2C and IRQ on Raspberry Pi. Communication is for use with PN532 NFC Controller. Have functional code in C++.

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    I would like to learn Embedded C programing to Program below following items: 1. Serial Communication 2. MODBUS Protocol 3. Bootloader development 4. Timers initialization for State machine implementations 5. Interrupt Service for Priority interrupting 6. GLCD programming 7. CAN Protocol implementations using Microcontroller. 8. I2C and SPI Protocol.

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    I have 2 boards first MB997D (the STM32) and second MB1008A (the STM8), one is master and the second is slave. I need I2C master and slave code for the MB997D (the STM32) in order to communicate with MB1008A (the STM8), I already have the code for MB1008A (the STM8). need to send 4bytes, and verify that they arrive to slave. they code should be used in IAR compiler. the work must be finished in ...

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    Need Petalinux configured for a custom board based on ZCU3EG with 2019.2 tools. It must work with 1 GbE, SATA, USB, UART, CAN, I2C and SPI peripherals including the dual QSPI memory. Vivado structure (bitstream, hdf, xda) are already created. All the problem is in setting up the device tree. To share files and test results, the developer must use Ubuntu 18.04 Thanks guys, I sorted out myself.

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    I need an MIT App Inventor 2 app built that can connect to an Arduino using Bluetooth, receive i2c data from a sensor and store that data (so I can use it in calculations) Once connected, the Arduino just needs to send the data every second, so that side should be very simple.

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    We're looking for freelancers to port from Arduino code to STM code using STM Cube MX and STM Cube IDE. We are looking to shift to STM32 L series microcontroller. Essential use cases 1. Capacitive touch - swipe/tap/proximity detection 2. Low Power development 3. I2C communication with Accelo Gyro module 4. UART communication with BLE 5. LED control

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    Hello, I need a 2-Cells (500mA) Li-Ion Battery charger but also needs to have a battery State of Health (SoH) measurement. The SoH measurement coud be SPI/I2C/Analog/... The most important think to know is you have to put SOHM in the first and last line of your bid. And that the SOH measurement will be on the charger no with the battery so it has to be measured only when charging. Please feel ...

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    PCB Design Driver Board for a Touchscreen for RPI 1) Design a PCB board to expose the pins from the display touchscreen connector. 2) Connect the I2C pins from the display to the raspberry pi I2C pins.

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