KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board

KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board

• 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.

<b>WHY CHOOSE KEYESTUDIO!</b><br> 1.EXCELLENT QUALITY<br> solder is very clean, everything is aligned nicely, all boards are well packed after function,voltage, current testing<br> 2.COOL YELLOW BLACK DESIGN<br> 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<br> 3. REALLY SAFE<br> This board made from environmentally friendly components and materials, as well as environmentally friendly production technology<br> <br> <b>Specification</b><br> 1.Working Style: high level is effective.<br> 2.Contact Capacity: AC120V /3A <br> DC24V/3A<br> 3.Weight: 39.4g<br> 4.Size:69*53*27mm<br> 5.Fully compatible with UNO R3 board<br> 6.Indicator LED onboard for Relay output status<br>