More about circuit (738)

1-07-2010 | The author repeatedly needed several different digital signals for testing his circuits, and a simple function generator did not provide a s...

1-07-2010 | The thermometer shown here is “micro” not only because it is built around the ATtiny13 microcontroller, but also because it can be built as...

1-07-2010 | The object of this circuit is turn the domestic lighting on and off in complete safety in a room with very high humidity. A detector, flush-...

1-07-2010 | The author set to work equipping a model car with realistic indicators, headlights, tail lights and brake lights. The basic idea was to tap...

1-07-2010 | The TDA7052A is a readily available amplifier chip (Farnell # 526198) that has a DC controlled volume input. Here, the IC is used as the var...

1-07-2010 | This circuit is inspired by an amplifier published in the ’60s that produced 8 watts a channel into 8 Ohm and was based on AD161 and AD162 g...

1-07-2010 | Like all its counterparts, this network wiring tester comprises two elements, a transmitter unit, powered and fitted at the network start po...

1-07-2010 | Most guitar pedals obtain a high input impedance simply by using a large resistor at the input of the first opamp, but this generates a good...

1-07-2010 | The special feature of this analogue wall clock is that it uses a standard model servo to tell the time. The display principle is the same a...

1-07-2010 | Here’s a dimmer that, besides being touch-controlled, also has a setting memory that enables it, for example, to turn the lighting on at the...