Ultrasonic Tx-Rx Tutorial

This circuit was designed to charge NiCad battery packs in the range of 4.8 to 15.6 V from a...

Sounds are picked up by MIC1 and fed to the input of the first op amp. The signal is then fed to...

This thermometer is capable of measuring temperatures from - 30 to +120 °F. A diode-connected...

For this amplifier circuit using three voltage plus, min, and the ground. with a maximum voltage...

A very simple proximity detector electronic project can be designed using this schematic circuit....

An H bridge is a kind of circuit you use to control the direction (and sometimes speed) of an...

Usually the project is a variation on the POV toy, which you see around online all of the time as...

Every electronic gadget primarily needs a D. C, power supply to energize it. It also forms the...

The resistors R18 and R22 that should have been connected to pin 8 of U4 were mistakenly...

This class of amplifier is designed to follow low level stages, one example is a crystal...

This handy, pocket-size mobile transmission detector can sense the presence of an activated...

Charge NiCd or NiMH batteries with solar cells. This circuit extracts the maximum power from a...