This is a simple clap switch circuit with high sensitivity. The only unusual component is the single coil latching relay. While there are numerous means of generating the latching function, the ...

Single-coil latching relays find use in signal-routing, audio, and automotive systems. To maximize their usefulness and cut power consumption, these coil currents must flow in both directions. Current ...

Adafruit has today announced a new addition to their range of FeatherWing add-on boards with the availability of two FeatherWing relays that offer both latching and non-latching and are now available ...