Reset (Momentary) Round Engine Start Metal Push Button (16mm Red) US $3.32 (253 Rub) Miniature Toggle Momentary (on-off-on) Switches (MTS-123 Reset) x 5 Pcs US $1.87 (143 Rub) ...

The simple wiring diagram of the device is shown below. The two output wires from the solar panel are connected directly to the digital multi-meter, with a momentary pushbutton switch that completes ...