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门铃电路图-Birdie Doorbell Ringer

2023-09-18 22:28:00

门铃电路图-Birdie Doorbell Ringer:Notes:P1 is of experimental value. Start with 220ohms or so and modify to suit your needs.The transistor is a general purpose kind and is not criTIcal;almost any pnp type will work.

电路图消费类门铃BirdieRingerDoorbell

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