❶ The Cytron Maker Uno RP2040 is a microcontroller board based on the RP2040 chip, designed to mimic the Arduino Uno form factor. ❷ It includes features like Grove and Stemma QT ports, LiPo charging, servo connections, and RGB LEDs. ❸ The board is suitable for educators and learners, offering a balance of traditional and modern connectivity options.

1. The article introduces a smart switch for agriculture irrigation systems controlled by an Arduino board and a GSM module. 2. This system allows farmers to monitor and control their farm machinery remotely via a smartphone. 3. The project includes detailed descriptions of the circuit setup, components, and operation, including the use of a solar panel for power.