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Fan controlled digitally circuit using 555 timer relay and LM317 learning electronics lesson 0057 (electronzapdotcom) View | |
Light dependent resistor LDR astable 555 timer with speaker circuit learning electronics lesson 0064 (electronzapdotcom) View | |
Mailbag #28: LM317 PSU kit, Mini measuring tapes and audio isolator | TheVidsByDennis (TheVidsByDennis) View | |
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