| Useful circuits can be as simple as a paper clip. Here is such a circuit. It can be so simple because all the complicated and hard stuff has...
All items tagged with LED and bridge (4)
| Using a few diodes and a LED, you can make a nice indicator as shown in associated schematic diagram that can be used for a lot of applicati...
| The preamplifier is intended for use with dynamic (moving coil – MC) microphones with an impedance up to 200 Ω and balanced terminals. I...
| The circuit in the diagram was originally designed to monitor an oscillator, but can also be used as a general-purpose level indicator f...