# 8 Channel Relay Expansion Board for Raspberry Pi

**SKU:** WS15423
**Brand:** Waveshare
**Price:** 28,00 EUR
**Availability:** in stock
**URL:** https://electronics.semaf.at/8-Channel-Relay-Expansion-Board-for-Raspberry-Pi

## Specifications

| Attribute | Value |
|---|---|
| Weight (kg) | 1 |

The 8 Channel Relay Expansion Board for Raspberry Pi is an expansion board with 8-channel relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances.

## Description

The 8 Channel Relay Expansion Board for Raspberry Pi is an expansion board with 8-channel relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances.

### Features

- Supports Raspberry Pi A+/B+/2B/3B/3B+
- High quality relays, loads up to 5A 250V AC or 5A 30V DC
- Photo coupling isolation, prevent interference from high voltage circuit
- Standard rail mount bottom case
- Onboard LEDs for indicating relays status
- Relay control pin selection jumper, allows to control the relays by custom pins other than the default pins
- Reserved control Interface, allows to work with controllers like PLC
- Comes with development resources, including examples in wiringPi, bcm2835, python, python-bottle (webpage control), and crontab (cron job)

### Specifications

- Power supply voltage: 5V
- Trigger signal: 3.3V/5V
- Relay channels: 8-ch
- Contact form: SPDT-NO,NC
- Closed current: 6mA (per channel)
- Connector: screw terminal block
- Dimension: 232 × 72 (mm)
- Mounting hole size: 3.0mm

### Dimensions

![8 Channel Relay Expansion Board for Raspberry Pi](bilder/produkte/zusatz/RPi-Relay-Board-B-size.jpg)

### Documents

- [8 Channel Relay Expansion Board for Raspberry Pi WIKI](http://www.waveshare.com/wiki/RPi_Relay_Board_(B) "8 Channel Relay Expansion Board for Raspberry Pi Wiki")