KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board
About this product
*It integrates 4-channel 5V relay module, and is fully compatible with R3 control board.
*The 4-channel relay module shield is active at HIGH level.
*Relay Terminals: high-power, high-current high voltage can be connected to the device.
*Separately connect the 4-channel relay to digital port 4, 5, 6, 7 on the R3 control board, then through controlling output HIGH or LOW to control the relay on and off.
*How to use: search for "keyestudio wiki ks0251" in Google Chrome to get the wiki online tutorial for this product.
Description
WHY CHOOSE KEYESTUDIO!
1.EXCELLENT QUALITY
solder is very clean, everything is aligned nicely, all boards are well packed after function,voltage, current testing
2.COOL YELLOW BLACK DESIGN
The yellow trim is definitely a departure from the standard, dull, black boards, and the yellow silk screen on black mask really pops, making it easy to read the pin labels
3. REALLY SAFE
This board is made from environmental-friendly components and materials, as well as environmental-friendly production technology
Features:
Channel: 4 channel
The relay shield is 5V active HIGH
Contact capacity: AC120V / 3A ; DC24V/3A
Onboard LED indicator for relay output status
Indicator: 4 LEDs are red when the relay is driven high, the corresponding indicator will light up.
Standard interface can be directly plugged into microcontrollers.
Fully compatible with controller R3 board
Power Interface: 5V DC power interface
Indicator LED onboard for Relay output status
Relay 1 (I/O pin 4) is connected to a terminal J4; Relay 2 (I/O pin 5) is connected to J3; Relay 4 is connected to J1.
Be able to control various appliances and other equipment with large current.
3 M3 screw positioning holes for easy installation
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