README.md

BME280USB

• Temperature, Humidity, Pressure Sensor BME280 on RPi Pico

If you want to use BME280 sensor on long cable, copy two files bme280_float.py and main.py to RPi Pico.

Connect the BME280 sensor to the i2C RPi Pico port using wiring diagram below.

• Wiring diagram

RPi Pico  [GP22 Pin 29]------------------------------ [VCC]  BME280
RPi Pico  [GP16 Pin 21] ----------------------------- [SDA]  BME280
RPi Pico  [GP17 Pin 22] ----------------------------- [SDC]  BME280
RPi Pico  [3v3  Pin 36] ----------------------------- [CS]   BME280
RPi Pico  [GND  Pin 38] ----------------------------- [GND]  BME280

Connect PC with the RPi Pico together with the USB cable.

BME280 [i2c] <-- 4 wire cable --> [i2C] Raspberry Pi Pico [USB] <-- USB cable --> PC [USB]

Select proper serial port number in terminal configuration or use bme280usb_gui.py to show measured values in the pop-up window under Windows or Linux

B.o.M - Bill of Materials

• BME280 - 1 pcs
• Raspberry Pico - 1 pcs
• RPi Pico and Sensor Case - 1 pcs
• MicroUSB B-A cable - 1 pcs