Dual Hi/Lo Switched Relay Board - DIY
Dual Hi/Lo Switched Relay Board - DIY
Dual Hi/Lo Switched Relay Board - DIY Two 12v PCB-mounted relays based around a ULN2003A high-voltage, high current relay driver. TTL compatible so the inputs can be connected to 5v. Lo 0-0.8vdc Hi 2.4-12v. A Hi or Lo to inputs will activate the relay.