As we have previously covered, they are a modular system for both quickly building electronic products and supporting STEM learning, with no need for soldering or wiring. Costing £76.60, the XK12 IoT Starter Kit, powered by Zerynth includes:

1 x AH01 – SHA-256 Hardware Encryption (ATECC508A)
1 x CW02 – Wi-Fi & Bluetooth Core (ESP-WROOM-32)
1 x IP01 – USB Programming Interface (FT232R)
1 x OC03 – Relay Out (PCA9554A)
1 x SW01 – Advanced Weather Sensor (BME280)
1 x XC10 – 10-Pack xBUS Connectors
1 x Zerynth Starter FreeRTOS license

See them in action, for example, in a temperature-controlled desk fan. And good luck to all who enter!

Closing date is end of play on Friday 30 November. See competition Terms and Conditions.