
Send SMS with the A9G Board and Raspberry Pi Pico W
Send SMS from a Raspberry Pi Pico W over MicroPython by wiring an A9G GSM board and issuing AT commands. Wiring, MicroPython code and serial setup.
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Send SMS from a Raspberry Pi Pico W over MicroPython by wiring an A9G GSM board and issuing AT commands. Wiring, MicroPython code and serial setup.

Dial a phone number from a Raspberry Pi Pico W using MicroPython and an A9G GSM board. Covers the UART wiring, AT command flow and MicroPython code.

Read a DHT11 sensor on a Raspberry Pi Pico W with MicroPython and publish temperature and humidity to an MQTT broker. Complete code and broker setup.

Read the Raspberry Pi Pico W's on-board temperature sensor with MicroPython and stream readings to an MQTT broker. Sensor maths and publish code.

Use the Raspberry Pi Pico W's on-board temperature sensor with MicroPython: the ADC maths, the conversion code and a looping readout script.

Install a MicroPython Modbus library on a Raspberry Pi Pico W using Thonny — download the library, connect the board and test the installation.

Read input registers over Modbus RTU from a Raspberry Pi Pico W with MicroPython. Wiring, library setup and a working read script for sensor data.

Read holding registers from a Modbus RTU device with a Raspberry Pi Pico W running MicroPython. UART wiring, the Modbus library and example reads.