Part teardown, part repair, Dave looks at an Australian designed and manufactured Ness D16X alarm panel that has failed.
What’s that smell?
Can it be fixed?
How do you repair solder mask on a PCB?, or add solder mask to your own home etched PCB’s?
And another look at PCB spark gaps.
Previous PCB Spark gap video: https://www.youtube.com/watch?v=vfP_65gSSBU
Holtek DTMF Receiver
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