Two-Tone Doorbell Easy DIY Soldering Learning Kit with NE555

SKU: 26397.

Two-Tone Doorbell Easy DIY Soldering Learning Kit with NE555

$ 3.49

Out of stock

A very easy to assemble doorbell do-it-yourself kit. Recommended power supply 4-7 VDC (4 x standard battery or 5V USB charger).

Pressing the button starts the tone generator, releasing the button changes the sound to the 2nd tone.

Module size 28 x 25mm

Weight 0.025 kg
EAN

4260474033973

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