• 2 Channels Relay Module Delay Realy Seriel Control MCU Controller Board for DIY
  • 2 Channels Relay Module Delay Realy Seriel Control MCU Controller Board for DIY
  • 2 Channels Relay Module Delay Realy Seriel Control MCU Controller Board for DIY

2 Channels Relay Module Delay Realy Seriel Control MCU Controller Board for DIY

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2 Channels Relay Module Delay Realy Seriel Control MCU Controller Board for DIY

Function:

Improved SR-104 module, using the patch process, to support the input voltage of 5V or 9-12V. Control 2 Relay commands through the serial port pick-up release,Each channel is independently set 1 ~ 255 seconds delay. The operation is simple, the vast majority of serial instructions only need 1 bytes to achieve the function. VB host computer program and the source code, more easy to achieve computer remote control. After receiving each instruction, the module returns to the latest status of all relays. In addition, the module can respond to the relay status query from the host computer program. The host computer program can use these feedback from the module to judge whether each operation is successful, and improve the accuracy of the control. SR-104A can extend one moreMO-94C 2 way relay module4 way relay through serial port control.

Module features:
- STC15F104W as the main control chip
- Each channel is independent to set 1 ~ 255 seconds delay
- The operation is simple, the vast majority of serial instruction for single byte instruction
- 2 channels relay onboard
- Relay with absorption diode circuit
- Each channel has LED lights, lights relay
- Can be extended  a MO-94C module through the serial port to control the 4 way relay
- 1 channel power indicator light
- With capacitor filter circuit  
- Support 5V or 9-12V input voltage
- 1.6mm PCB board, set aside the installation hole

Interface description:
- VCC: extension module power supply cathode
- GND: extension module power cathode
- CH3 P34: control line, high effective
- CH4 P35: control line, high effective

Blue terminal: the user load, you can use the 220V AC devices, or less than 30V of DC equipment, the equipment can not exceed the current standard relay load. Each relay is a normally open contact, a normally closed contacts and a public contacts, relay, public contacts and normally open contact conduction; relay is released, public contact and the normally closed contact of the conduction.

Package List:

- 1 x 2 Channels Relay Module

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