Arduino Tutorial

The high voltage section of the CRT is unchanged from the original vacuum tube oscilloscope used...

Ail ultrasonic cleaner is useful to clean certain items. This circuit uses a microcontroller to...

Fresnel lens a thin disc of glass or plastic carrying a series of concentric stepped rings, each...

The LM380 is a power audio amplifier for consumer applications. In order to hold system cost to a...

This is the circuit diagram of the simplest single chip AM radio. The circuit is designed around...

Here is a simple head phone amplifier circuit that can be used to drive your head phone if your...

RF Cafe visitor Jim L. requested that I post this Build Your Own Vibrato article from the...

This project can be used with a standard Hitachi HD44780 (or compatible) controller chip to...

Motor starters generally fall into two categories: full-voltage or reduced-voltage. The choice of...

Used to delay beginning of crt sweep for expanded display. Provides three ranges: 0 to 5, 60, and...

The circuit described here uses an IRF840 MOSFET which is rated at a maximum DSV value of 500V....

As shown for the PGA202 offset voltage correction circuit. PGA202 offset voltage correction...

BGl, BG2 composition directly coupled amplifier, BG, BG4 is composed of monostable trigger...