RM-1-ESP32-5V-USB, 1-Channel ESP32 WIFI Bluetooth-compatible BLE Relay Micro-USB Module AC90-250V/DC5-60V ESP32-WROOM Development Board

ESP32 1-channel relay development board is equipped with ESP32-WROOM-32E WiFi & BLE module, all I/O ports are LED out, and supports AC90-250V/DC5-60V power supply mode.  It is suitable for ESP32 secondary development and learning, smart home wireless control and other occasion.

1-Channel ESP32 Relay Module

Voltage: DC5-60V
Micro USB 5V

Board size: 57.5*53.7mm

Features:

1. 1 programmable LED and relay indicator onboard.
2. Onboard ESP32 module IO0 programmable button and reset button.
3. Onboard mature and stable ESP32-WROOM-32E module, large-capacity 4MByteFlash.
4. The I/O ports and UART program download ports of the ESP32 module are all led out, which is convenient for secondary development.
5. ESP32 supports the use of Arduino IDE development tools and provides reference programs in the Arduino development environment.
6. Onboard 1/2/4/8 channel 5V relay, output switch signal, suitable for controlling and controlling the load whose working voltage is within AC250V/DC30V.

Burning port: The GND, RX, TX, and 5V of ESP32 are respectively connected to the GND, TX, RX, 5V, of the external TTL serial port module, IO0 needs to be connected to GND when downloading, and then disconnect the connection between IO0 and GND after downloading.