Digital Interconnection & Timing Tutorial

Can be directly connected to CD players, tuners and tape recorders. Tested with several...

This circuit produces the famous Big Ben sound. It produces the "ding dong" sound when switched...

This battery saver circuit can automatically turn off a small piece of test equipment after a...

This circuit runs a fast battery test without the need of power supply or expensive moving-coil...

Here the simple mixer with 4 input and 2 op-amps: A basic mixer suitable for mixing microphones...

FT232RL USB to Serial UART (TTL) Adapter is a simple and inexpensive way to connect PIC, AVR or...

PWM is a highly efficient control scheme used to manipulate the flow of power through various...

This circuit diagram for a logic tutor kit was made from MS Word graphics.

The best way to measure the current in a circuit is to place a sense resistor in the current...

Advantages and disadvantages of different power supply technologies as well as the design...

At 9 volts the maximum stalled current of the motor types I`m going to use will be 700 mA. Since...

Using the LA4440 audio amplifier IC can be designed a very simple stereo power audio amplifier...

Most people don`t know it, but there are usually over a dozen, battery backup systems in your...