Sell 5zk3 Waveshare 8-Channel Relay Expansion Board 40PIN GPIO Header 5V Power Relay ule Board for Raspbe best price

Please note that this product is a pre-order product, and the stocking time is 15-20 days. Please pay attention to all customers, thank you. The RPi relay board (B) is an expansion board with 8 relays for Raspberry Pi;It enables your Pi to control high-voltage products such as household appliances;Support Raspberry Pi A+/B+/2B/3B/3B+ High quality leisure, load up to 5A 250V AC or 5A 30V DC;Photo coupling isolation to prevent interference from high-voltage circuits;Standard rail mounting bottom shell;On-board LEDs are used to indicate relay status The relay control pin selection jumper allows the relay to be controlled by pins other than custom pins Keep the control interface, allowing the use of controllers, such as PLC Contains development resources, including wiring Pi, bcm2835, python, bottleneck (web control) and dragon tag (front work), etc. specification Power supply voltage: 5V Trigger signal: 3.3V/5V Relay channel: 8-ch Contact form: SPDT-NO, NC Close current: 6mA (per channel) Connector: Screw end block Mounting hole size: 3.0mm colour: blue + green Material: PC board + metal size: 232x72mm Package Contents: 1*Raspberry Pi Relay Board 1*Rail mount bottom case 1*Screws KitOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.