Service and Repair

Articles
Title
The Workbench instruments – The multimeter (ART595E)
Components Recovery (SER003E)
Troubleshooting with the Multimeter (SER002E)
Troubleshooting and Repair (SER001)

Process control interface (CB7831E)
This shield was found in a 90’s Popular Electronics. The circuit can be implemented with modern...
Resistive Sensor Relay Trigger (CB11925E)
In the figure we have a circuit in which a sensor is fired with a resistive sensor. The sensor can be an...
Touch switch (CB8724E)
This biestable touch circuit with the 4093 was found in a Popular Electronics from the 90s. The...