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Components Recovery (SER003E)
Troubleshooting with the Multimeter (SER002E)
Troubleshooting and Repair (SER001)

  

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Circuit Bench

  • Robot Voice (CB4410E)

          We find this microphone voice effect in 1992 documentation. The vibration of the relay contacts...

  • Burnt light sensor (CB23735E)

      This circuit for the car uses LDRs as sensors and does not need to be connected to the lamp. The...

  • Amplifier and buffer (CB7138E)

           Found in a Popular Electronics from the 90s, this circuit can be made with current equivalent...

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