Once you’ve mastered this skill, you’ll find that it unlocks further interest and additional opportunities to explore electronic repairs ranging from simple to complex. How do electrical engineers ...

Take a moment to think about how many old or damaged computer motherboards you have tossed away over the years. Sure we try to repurpose everything we can, but reclaiming electronic components from ...

A very simple but highly efficient combination lock circuit is shown in the figure. Any type of on/off switches can be used, varying from commercially available inexpensive types to more sophisticated ...

It’s late at night. The solder smoke keeps getting in your tired eyes, but your project is nearly done. The main circuit is powered by your 13.8 V bench supply, but part of the circuit needs 9 V. You ...

Rigid-Flex PCBs have been used in many modern electronic devices (such as mobile phones, laptops, and wearables, among others), due to their form factor, light weight, and cost-effectiveness.

Electronic enthusiasts and Raspberry Pi users may be interested in a new PCB ruler created by Ian Dunn. The PCP ruler features plenty of useful annotations, equations and Raspberry Pi GPIO references.

This simple and cost-effective ding dong electronic doorbell circuit is based on IC 8021-2. The IC has an in-built circuitry to produce ding dong sound each time its pin 3 is pulled low. The sound is ...