![Espen brought over a few of these solid state switches. You just pass the little magnet (just to the left of the socket) over the circuit to switch on/off. Miniscule idle current makes it a practical proposition.](/gallery/2011/wo/images/IMGP3379.jpg)
Espen brought over a few of these solid state switches. You just pass the little magnet (just to the left of the socket) over the circuit to switch on/off. Miniscule idle current makes it a practical proposition.
Espen brought over a few of these solid state switches. You just pass the little magnet (just to the left of the socket) over the circuit to switch on/off. Miniscule idle current makes it a practical proposition.