http://www.simplecircuitdiagram.com Free Simple Circuit Diagram Tue, 24 Jan 2012 02:31:05 +0000 en hourly 1 http://wordpress.org/?v=abc http://www.simplecircuitdiagram.com/2012/01/11/simple-ir-remote-tester/ http://www.simplecircuitdiagram.com/2012/01/11/simple-ir-remote-tester/#comments Wed, 11 Jan 2012 02:20:43 +0000 Rust http://www.simplecircuitdiagram.com/?p=2743 The most common problem for infra-red (IR) remote control is the failure to transmit the pulsed infra-red light. The circuit shown in the schematic diagram below is an IR remote control handset tester. This device is very useful and easy … Continue reading →]]> http://www.simplecircuitdiagram.com/2012/01/11/simple-ir-remote-tester/feed/ 0 http://www.simplecircuitdiagram.com/2011/06/29/555-ic-led-flasher-for-up-to-10-leds/ http://www.simplecircuitdiagram.com/2011/06/29/555-ic-led-flasher-for-up-to-10-leds/#comments Wed, 29 Jun 2011 02:10:29 +0000 Rend http://www.simplecircuitdiagram.com/?p=2624 This LED flasher circuit uses 555 IC, and is capable of driving up to 10 LEDs. The good news is, the use of multiple LEDs in series doesn’t increase the power consumption when compared with using only two LEDs. If … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/06/29/555-ic-led-flasher-for-up-to-10-leds/feed/ 0 http://www.simplecircuitdiagram.com/2011/06/19/multiplexed-bcd-decoder-7-segments-driver/ http://www.simplecircuitdiagram.com/2011/06/19/multiplexed-bcd-decoder-7-segments-driver/#comments Sun, 19 Jun 2011 08:31:24 +0000 Rust http://www.simplecircuitdiagram.com/?p=2610 To save the complexity of driver circuit, a multiplexer icrcuit can be used for the solution. With this multiplexed BCD decoder, we can use only one BCD decoder to drive 3-digits 7 segment display. Each digit will be activated in … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/06/19/multiplexed-bcd-decoder-7-segments-driver/feed/ 0 http://www.simplecircuitdiagram.com/2011/04/13/temporary-led-lampilluminator/ http://www.simplecircuitdiagram.com/2011/04/13/temporary-led-lampilluminator/#comments Wed, 13 Apr 2011 13:01:59 +0000 Rend http://www.simplecircuitdiagram.com/?p=2518 This temporary lamp circuit is very helpful in emergency situation or in any application where we don’t have much time to turn off the lamp. Just press the push button, do a little fast task, and then leave it. This … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/04/13/temporary-led-lampilluminator/feed/ 0 http://www.simplecircuitdiagram.com/2010/10/26/ac-powered-led/ http://www.simplecircuitdiagram.com/2010/10/26/ac-powered-led/#comments Tue, 26 Oct 2010 02:55:40 +0000 Rend http://www.simplecircuitdiagram.com/?p=1731 Usually, LED is powered by DC supply, but this circuit can make the LED can be powered by AC supply. This circuit can be used as power indicator for Water pump. There are two circuit  versions of AC-powered LED presented … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/10/26/ac-powered-led/feed/ 0 http://www.simplecircuitdiagram.com/2010/10/04/brightness-control-for-multiplexed-leds/ http://www.simplecircuitdiagram.com/2010/10/04/brightness-control-for-multiplexed-leds/#comments Mon, 04 Oct 2010 06:07:36 +0000 Rust http://www.simplecircuitdiagram.com/?p=1589 To add PWM intensity control to connected LEDs, a switched-LED power supply approach can also be used. A circuit using a PWM-based supply to provide additional intensity control to some LEDs is shown on figure below. The PWM waveform and … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/10/04/brightness-control-for-multiplexed-leds/feed/ 0 http://www.simplecircuitdiagram.com/2010/10/02/low-dropout-constant-current-triple-white-led-driver/ http://www.simplecircuitdiagram.com/2010/10/02/low-dropout-constant-current-triple-white-led-driver/#comments Sat, 02 Oct 2010 06:56:59 +0000 Rust http://www.simplecircuitdiagram.com/?p=1586 In conventional white LED design, the Max1916 low-dropout bias supply for white LEDs is a high performance alternative to the simple ballast resistors. A single resistor is used by this device to set the bias current for three LEDs, which … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/10/02/low-dropout-constant-current-triple-white-led-driver/feed/ 0 http://www.simplecircuitdiagram.com/2010/08/02/sound-controlled-activated-triggered-led/ http://www.simplecircuitdiagram.com/2010/08/02/sound-controlled-activated-triggered-led/#comments Mon, 02 Aug 2010 07:59:11 +0000 Rust http://www.simplecircuitdiagram.com/?p=1265 When the microphone detects a loud sound, this circuit will turn the LED on. The “charge-pump” section consists of the 100n, 10k, signal diode and 10 uF electrolytic.   Here is the schematic diagram of the circuit: The charge pump section … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/08/02/sound-controlled-activated-triggered-led/feed/ 0 http://www.simplecircuitdiagram.com/2010/07/15/blinking-led-emulates-incandescent-bulb/ http://www.simplecircuitdiagram.com/2010/07/15/blinking-led-emulates-incandescent-bulb/#comments Thu, 15 Jul 2010 02:30:08 +0000 Rend http://www.simplecircuitdiagram.com/?p=1252 This is flashing LED circuit emulate the turning of incandescent lamp.  The characteristic of incandescent lamp is that they can’t abruptly change the luminosity. This circuit is used to fade in and fade out the on and off state change.   … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/07/15/blinking-led-emulates-incandescent-bulb/feed/ 0 http://www.simplecircuitdiagram.com/2010/06/21/animated-led-for-bike-turning-signal/ http://www.simplecircuitdiagram.com/2010/06/21/animated-led-for-bike-turning-signal/#comments Mon, 21 Jun 2010 06:54:49 +0000 Rust http://www.simplecircuitdiagram.com/?p=1226 Using circuit below, we can animate the bike turning signal using LED. The bike turning signal will blink from the right side (D1) to the left side (D5) in a bar style. To build a complete left and right turning … Continue reading →]]> http://www.simplecircuitdiagram.com/2010/06/21/animated-led-for-bike-turning-signal/feed/ 0