Description:

• 16-bit relay driver module.
• Control implementation via mobile phone, computer, or remote control.

Features:

• Built-in test code.
• Multiple IoT control.
• ESP32 main controller.
• Programming support.
• Easy installation and use.
• Compatibility with multiple languages in the application.
• Features firmware upgrade interface.

Specifications:

• Product name: 16-Bit Relay Driver Module.
• Operating voltage: DC 5V.
• Chip: ESP32 main controller.
• Operating temperature: -25℃~85℃.
• Operating humidity: 5%~95%RH.
• Size: 45.5*40.5*12.5mm.

Instructions for use:

• The ESP32 unit operates as a hotspot, first connect to the WiFi hotspot.
• Programming mode: Reconnecting the power provides programming or normal operation mode depending on the programming state.

Mode selection:

• The "Program" setting determines the mode.
• When programming is normally off, reconnect the power to enter programming mode.
• When programming is normally on, reconnecting the power enters operating mode.