Compare LinkNode R8: Arduino-compatible WiFi relay controller $14.85 LinkNode R8 is a WiFi relay controller and it is powered by ESP-12f ESP8266 WiFi module which is compatible with Arduino programming. There are 8 relay channels and each channel allows you to control high-power devices (up to 10 A) via the on-board relay... 0
Compare LinkNode R4: Arduino-compatible WiFi relay controller $14.90 LinkNode R4 is a WiFi relay controller and it is powered by ESP-12f ESP8266 WiFi module which is compatible with Arduino programming. There are 4 relay channels and each channel allows you to control high-power devices (up to 10 A) via the on-board relay... 0 Add to Cart
Compare BLE Gateway Shield $15.00 Introduction Bluetooth 4.0 BLE Gateway Shield is an addon that can turn pcDuino8 Uno into a Bluetooth 4.0 BLE gateway. It is using Nordic nRF51422 chipset and Arduino compatible. User have the flexibility to what serial ports (soft serial port or hard... 0 Add to Cart
