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Raspberry Pi Relay Board v1.0

SKU
103030029
Rating:
80% of 100

High quality relays of 15A max switching current Built-in LED indicator for each relay Optional I2C address through switch combinations Raspberry Pi compatible Relay screws for firm connection

$24.50
Out of stock
  • 10+: $22.05
  • 20+: $20.83

PRODUCT DETAILS

Note

When carrying heavy Inductive load for a period of time,  the on-board MCU might be down and a reset procedure is needed.

Tip

This product is fully compatible with Raspberry Pi 4 (1GB, 2GB,4GB) and hopes you enjoy hacking with Pi 4 and all of other Pi 4 accessories.


The Relay Shield utilizes four high quality relays and provides NO/NC interfaces that control the load of high current. Which means it could be a nice solution for controlling devices that couldn’t be directly controlled by IIC bus. Standardized shield form factor enables smoothly connection with the Raspberry Pi . The shield also has four dynamic indicators show the on/off state of each relay. 

 

Features

  • Raspberry Pi compatible

  • Interface:IIC , Three hardware SW1 (1, 2, 3) select the fixed I2C-bus address

  • Relay screw terminals

  • Standardized shield shape and design

  • LED working status indicators for each relay

  • COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay

  • High quality relays

  • Working status indicators for each relay

 

Specification

 

Compatible:Raspberry Pi ; Other main board via jumpers;

Power supply:4.75~5.5V ;

Max Switching Voltage:30VDC/250VAC;

Max Switching Current:15A ;

Frequency:1Hz;

Dimensions:91.20 * 56.15*32mm;

 

Technical details

Dimensions 130mm x60mm x32mm
Weight G.W 79g
Battery Exclude

Part List

Relay Board 1

ECCN/HTS

HSCODE 8538900000
USHSCODE 8473305100
UPC 841454100089

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REVIEWS

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  1. Rating
    80%
    Easy to use using Python
    Plus:
    I use this board with Python to control it. The example code worked fine to integrate into my own project.

    Minus:
    Only the small header is soldered to the board. That should be fixed.
    Also you should have the possibility to apply extra power as the relais can take some current when all are in use.

    What could be better?
    The I2C could be used to control more outputs. I'd appreciate if the remaining outputs would be accessible via optocoupler.
    By
  2. Rating
    20%
    Would not recommend
    Circuit lacks any form of power supply bypass-capacitors at both the +5V and +3V3 rails, causing trouble when driving multiple relays with semi-inductive loads at the same time. I used this to switch a contactor and multiple solenoid valves but nearly every switch-cycle the IO-expander became unreachable on it's I2C interface (used power supply = 5A max). I've bodged on some 1uF capacitors and since then it worked flawless. Also, the dimensions of this board are based on a Pi 1 B, it will not fit in casing for a Pi 2 or 3. I also doubt how 'high quality' these Chinese unobtainable relays really are. 1/5 stars, would not recommend this board to anyone.
    By
  3. Rating
    100%
     
     
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