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IoT battery operated sensor

$30-250 SGD

Cancelled
Posted about 6 years ago

$30-250 SGD

Paid on delivery
Using ESP8266, MQ-135, 18650 battery or similar. Able to receive OTA updates. Power consumption low (uA) during sleep so battery can last 1 year.
Project ID: 16456820

About the project

15 proposals
Remote project
Active 6 yrs ago

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15 freelancers are bidding on average $186 SGD for this job
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Hi, I hope you are doing well. I have worked on low power ESP8266 system and also worked on OTA system of ESP8266. I have understood your project requirement and I would like to discuss it in more details. Looking Forward, Khawaja
$250 SGD in 3 days
4.8 (86 reviews)
6.8
6.8
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A proposal has not yet been provided
$250 SGD in 10 days
4.5 (31 reviews)
6.1
6.1
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Hi There I have checked your project description and understand everything. I am very confident that i can do this project perfectly. Thanks
$155 SGD in 3 days
4.9 (45 reviews)
5.0
5.0
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Already Have ESP8266 hardware with me Already have Arduino board with me Already have MQ135 with me Above paramaters makes me to deliver the the output to you with out any dealy and failure in working
$155 SGD in 15 days
5.0 (5 reviews)
2.8
2.8
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I had build some IOT devices like yours, already use MQ sensors in a Smart Industrial Helmet application, and very familiar with ESP8266. OTA updates easy config. give me the opportunity
$222 SGD in 5 days
4.2 (1 review)
1.4
1.4
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Dear Client. Thank you for your kindly visiting to my profile. As High-Skilled Embedded System Designer, Developer and Manager, I have full experience and rich knowledge of Embedded System Development. 1) Rich Schematics and PCB designer. - Over 11 years designing experiences using Altium and Cadence Design Tool and Simulation Tools. 2) Firmware Development Experiences. - Rich knowledge and experiences at C/C++/Embedded C. - I like using various of MPU, ARM and embedded system equipment. MCUs : Atmel AT91SAM7SE512, PIC16F/18F, Atmega family, 8051 family, NRF51822/52832, LPC,Nuvoton 8051 Family Wifi-MCUs : ESP8266/ESP32. Arduino: Arduino UNO, Arduino Mega328, Arduino NANO Linux-Embedded: Raspberry Pi, - Experience with Keil, IAR, Atmel Studio, CubeSuite+, Arduino, MPLABE,Eclipse,Altium (For PCB Design), Cadence (For PCB Design) - Rich experiences at variant peripherals. UART, I2C, SPI, USB, Bluetooth, Wifi, Gyro/Accelometor, GPS, GSM/GPRS, Finger Print Module, Magnetic cardreader, RF Card Reader, Thermal Printer(POS) - -Experiance with all types of display like Color LCD,TFT, Monochrome LCD, 2 x 16 LCD 3). Experience. - embedded controlling system. - Wearable IOT project. - Variant BLE sensor project. - iBeacon project. - GPS based vehicle Tracker - BLE based Student Attendance System - Medical - Ventilator - Handheld POS machine - ESP8266 based home automation I'm always work on my client's timezone. Thank you for your time.
$222 SGD in 5 days
0.0 (0 reviews)
0.0
0.0
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Hi, I have very good experience of using esp8266 in different projects and also deep sleep function and would love to work on this project. I have very good experience of using deep sleep modes for increasing battery life of ESP8266 and other micro controllers like STM8. please contact. regards, Ali
$222 SGD in 5 days
0.0 (1 review)
0.0
0.0
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I have past 5 years of hands on experience on Raspberry pi, arduino uno ,esp8266,node mcu,esp32 and Full stack developer .Experience in Java,C,C++,python,java script,android developer.
$155 SGD in 5 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of SINGAPORE
Singapore, Singapore
5.0
1
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Member since Apr 28, 2017

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