Browse categories
Explore
Fiverr Pro
English
$
USD
I develop reliable C/C++ firmware for embedded systems, IoT devices, and microcontrollers (STM32, ESP32, AVR). From medical IoT to industrial controllers. Basic $80: 1 MCU firmware. Standard $200: Sensors + BLE/MQTT. Premium $400: Full IoT + RTOS + cloud. Driver coding (I2C/SPI/UART), sensor integration, low-power optimization, BLE/MQTT/CAN protocols, FreeRTOS implementation. Ericsson medical IoT experience. Send MCU model + schematic.