SONOFF Basic R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Amazon Alexa & Google Home Assistant, Works with IFTTT, No Hub Required - -
Amazon.com: DIYmall DEVIT V1 ESP32-WROOM-32 Development Board ESP32 ESP-32S 2.4GHz WiFi+BT BLE Dual-core Dev Module CP2102 for Arduino DOIT : Electronics
AZDelivery 10 x Kompatibel mit NRF24L01 mit 2,4 GHz Wireless Module kompatibel mit Arduino, ESP8266, Raspberry Pi und E-Book inklusive! : Amazon.de: Computer & Zubehör
Amazon.com: ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA Compatible with Arduino IDE (1 PCS) : Electronics
Amazon.com: #10Gtek# NRF24L01+PA+LNA Wireless transceiver RF transceiver Module, with SMA Antenna 2.4GHz, Communication up to 1100 Meters, Pack of 2 : Electronics
Robocraze 2.4Ghz Rf Transmitter and Receiver TTL Pair Communication Module ( 2 Pieces) : Amazon.in: Industrial & Scientific