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Title
Locked relay (CB21220E)
Power Grid Monitor (CB21154E)
Photo sensor servo control (CB21015E)
High gain radio (CB21922E)
Field strength meter (CB21884E)
Ramp generator with correction (CB21844E)
12V power supply (CB21780E)
Dripper (CB21739E)
Precision Voltmeter with the 741 IC (CB21679E)
Dynamic microphone (CB21643E)
Audible Ohmmeter (CB21603E)
Dielectric Absorption Meter (CB21586E)
Cascading Zeners (CB21528E)
2 kW Control (CB21374E)
555 testing generator (CB21341E)
Timed Touch Switch (CB21298E)
Analog Inverter Switch (CB21249E)
2 6GHz Oscillator (CB21198E)
Digitally controlled rectangular oscillator (CB21129E)
Wien bridge oscillator (CB21121E)
Operational audio mixer (CB21082E)
Harmonic Distortion Analyzer (CB21058E)
Root difference (CB21036E)
Midwave Booster (CB21963E)
Signal injector (CB21649E)
Low loss polarity protector (CB21626E)
Gain 100 dB AF amplifier (CB21546E)
Darlington DC (CB21483E)
Trigger noise suppressor (CB21459E)
Variable delay pulse (CB21399E)

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      Cutting off the light that falls on the LDR causes the relay to be triggered. The light source may be...

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