Simple doorbell Using UM66
Below is a simple circuit of doorbell using UM66. The circuit can be assembled in a general purpose PCB and enclosed in any toys. Parts C1 – 220 µF 10v VR1 – 100 k pot VR2 – 10 k pot…
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
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