Electrical Safety Precautions: This product should be operated and used by professional electricians or technical personnel. During use, please ensure electrical safety and take protective measures such as anti-leakage and insulation. Before installing, maintaining, or replacing relay equipment, make sure to turn off the power and unplug the device. Do not attempt to dismantle relay equipment to avoid damaging the device or risking electric shock. Please properly install and place the relay equipment. Avoid using it in damp, overly hot, or flammable environments to prevent safety accidents due to improper installation or use.
Usage Instructions ESP32-S3-Relay-4CH RS485 currently provides two development tools and frameworks, Arduino IDE and MicroPython, providing flexible development options, you can choose the right development tool according to your project needs and personal habits.
!!READY SAMPLE CODE FOR ARDUINO IDE!!
Feature: - ESP32 S3 N16R8 WROOM 1 - Relay 4CH High Trigger Up To 250VAC 10A - RS485 Modbus IO - RTC DS3231 - Buzzer - Power Input: 9-24VDC - USB Type-C programming.