Relay 4 Channel 5v Shield Module for Arduino UNO R3
4 Channel 5v Relay Shield Module for Arduino UNO R3
- Standard for Shield interfaces and shape
- Can continue to stack other for expansion boards
- 3 M3 screw positioning holes for easy installation
- High Drive (5V or 3.3V) normally open contact closure
- Onboard relay indicator (red)
Product description
Description:
Relay Shield (i.e. 5V Quad Relay Module) is a small current signal control power equipment commonly used electronic module, enabling high-power single-chip control devices are widely used in SCM system to make smart home project; and can be directly plugged into the compatible the use of various types of motherboards, eliminating the patch cable troubles.
Features:
1. Standard for Shield interfaces and shape
2. Can continue to stack other for expansion boards
3. 3 M3 screw positioning holes for easy installation
4. High Drive (5V or 3.3V) normally open contact closure
5. Onboard relay indicator (red)
Special Note: When using the For UNO board connected to it, because UNO USB interface is extremely high, should avoid green terminals are shorted its shell.
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