DIY Electronic Kit LED Gyro DIY Welding Kit Rotating lantern Inline components
4,19 €
Very suitable for welding connection and DIY production teaching and training. DIY parts 1. When the battery is installed, the vibration switch S1 is disconnected, so the circuit does not work. Then the two triodes in the circuit are turned on and off in turn, and the two light-emitting diodes continuously emit light.
Jetzt bei Ebay:
