ESP32R4 basic controller
$14.99 – $19.99ESP32R4 controller is built and powerful with the ESP32 microcontroller, 2.4 GHz Wi-Fi, and Bluetooth LE 4.2 (BR/EDR + LE). Two CPU core(s) with adjustable clock frequency, up to 240 MHz, for controlling 4 relays, 4 buttons, the sound buzzer, and additional embedded modules for additional interface and color TFT touchscreen. ESP32R4 with ESP32 microcontroller can perform as a complete standalone system or as…