Super simple and reliable ramp generater by w2aew

104

01:01:08

Check out his YouTube video #105
Basically, the left part just charges the capacitor. The right part discharges the capacitor once the back to back transistors get triggered.

published 5 years ago

lmccoig

5 years ago

I had to wiggle battery voltage to get it going but I did get audio frequency ramp.

Robert_Kidd

5 years ago

Just shake phone to inject noise. It starts.

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