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momentary switch circuit schematic

Momentary Switch with 555

andre72 - 03/22/13

Based on NE555 this circuit turns on and off the IC output by a momentary switch. In other [...]
pcb drill speed controller schematic

PCB Drill Speed Controller with 555

T.K. Hareendran - 03/18/13

Described here is a simple, inexpensive and useful circuit for electronics hobbyists. The circuit is nothing but a [...]

RC Servo Tester with 555 IC

T.K. Hareendran - 03/14/13

Servo refers to an error sensing feedback control which is used to correct the performance of a system. [...]
temperature controller circuit schematic

555 Temperature Controller Circuit

P. Marian - 03/05/13

You can build a temperature controller circuit with the 555 IC together with a thermistor resistor divider. The [...]
light activated relay circuit schematic

Light Activated Relay with 555 IC

P. Marian - 03/04/13

This light activated relay circuit presented here uses the 555 timer IC and a light dependent resistor or [...]

555 LED Flasher

P. Marian - 03/02/13

This is a small size led flasher built with the 555 timer IC that is powered from 2 [...]
Automatic Bike Headlight Switch Schematic

Automatic Bike Headlight Switch

T.K. Hareendran - 03/01/13

Improved bike headlight switch circuit presented here has been designed to switch bike headlight on (or similar loads) [...]
automatic turn off power schematic

Delayed Automatic Power OFF

P. Marian - 02/28/13

This circuit is build with the 555 IC and will automatically turn off the power after 20 minutes. [...]
solid state flashing lamp schematic

220V Solid State Flashing Lamp with 555

P. Marian - 02/28/13

This 220V mains operated solid state flashing lamp circuit uses a 555 timer IC to control the ON [...]
555 touch sensor switch circuit schematic

Touch Sensor Switch Circuit with 555 timer

P. Marian - 02/27/13

This is a very simple touch sensor switch that is build with the 555 timer IC. You just [...]
human reaction time test schematic

Test Human Reaction Time with the 555 IC

P. Marian - 02/26/13

With this simple circuit that is built with the 555 IC you can test human reaction time. You [...]
on off touch switch circuit schematic

ON OFF Touch Switch with 555

P. Marian - 02/25/13

This ON OFF touch switch circuit is based on the well known timer IC 555 (IC1), which drives [...]
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