RPi Relay Board RingTopology You can also attach the

You can also attach the hot knife nib to cut stencils on soft plastics

burning stops within 10 seconds on a vertical part allowing for drops of plastic that are not inflames

Metal Case

the serial port can cache 10 packets(14

Each variant provides excellent wetting performance

RPi Relay Board RingTopology You can also attach theRPi Relay Board Raspberry Pi Expansion Board, Power Relay The RPi Relay Board gives your Pi the ability to control high voltage high current devices, easily makes normal home appliances become intelligent. RPi Relay Board Features Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards High quality relays, loads up to 5A 250V AC or 5A 30V DC Photo coupling isolation, prevents interference from high voltage circuits