Example project · ESP32
Sensor on the open bench (no breadboard)
The workbench in its purest form: a battery, an ESP32, and a BME280 floating free, wired pin-to-pin, no breadboard anywhere. Run it and read the sensor from the REPL with the prefilled script.

What's on the bench
- Battery
- BME280
- ESP32-C3
The code
This MicroPython script runs on the emulated board every boot; edit it in the Code tab.
from machine import I2C, Pin i = I2C(0, scl=Pin(9), sda=Pin(8)) print('I2C scan:', i.scan()) print('BME280 chip id:', hex(i.readfrom_mem(0x76, 0xD0, 1)[0]))