This circuit was published in a 90s Radio Electronics. The circuit uses the well-known LM386 that appears in a large number of projects on this site.
This is a very simple atomic radiation detector circuit using a Geiger-Muller tube. The circuit was...
With a 120 ohms resistor this circuit can also be used as a shield for 3.3 V output voltages. The...
This is one of the many universal motor controls that the reader can find on this website. The...