devDuino R1N V1.0 is a compact, Arduino-compatible microcontroller with a built-in power supply from the AC mains supply, a compact switch and is designed for wireless networks based on transceiver NRF24L01 +. https://elecena.pl/product/7560126/devicter-relay-1-node-v1-0-atmega-328-with-support-ota-update 2017-02-01 https://elecena.pl/product/7560126/devicter-relay-1-node-v1-0-atmega-328-with-support-ota-update 2025-12-17