http://www.simplecircuitdiagram.com Free Simple Circuit Diagram Mon, 06 Feb 2012 04:23:39 +0000 en hourly 1 http://wordpress.org/?v=abc http://www.simplecircuitdiagram.com/2012/01/24/general-infrared-remote-controlled-relay/ http://www.simplecircuitdiagram.com/2012/01/24/general-infrared-remote-controlled-relay/#comments Tue, 24 Jan 2012 02:31:05 +0000 Rend http://www.simplecircuitdiagram.com/?p=2752 This relay circuit is controlled by almost any type of infrared remote controller. This circuit works on assumption that almost all remote controller use high frequency modulated infrared light. By filtering out un-modulated or low frequency modulated signal, this circuit … Continue reading →]]> http://www.simplecircuitdiagram.com/2012/01/24/general-infrared-remote-controlled-relay/feed/ 0 http://www.simplecircuitdiagram.com/2011/12/09/lm139-one-shot-multivibrator/ http://www.simplecircuitdiagram.com/2011/12/09/lm139-one-shot-multivibrator/#comments Fri, 09 Dec 2011 23:18:28 +0000 Rend http://www.simplecircuitdiagram.com/?p=2725 The circuit below is a one-shot multivibrator. One shot multivibrator is also known as monostable multivibrator, or timer. The main function of such circuit is producing a fixed width pulse. The width of this pulse is determined by the component … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/12/09/lm139-one-shot-multivibrator/feed/ 0 http://www.simplecircuitdiagram.com/2011/10/24/lm139-one-shot-multivibratortimer/ http://www.simplecircuitdiagram.com/2011/10/24/lm139-one-shot-multivibratortimer/#comments Mon, 24 Oct 2011 07:01:30 +0000 Rust http://www.simplecircuitdiagram.com/?p=2708 One shot multivibrator circuit is also known as monostable multivibrator or timer. The function of such circuit is simply produce a pulse strobe with a fixed width, regardless of the pulse width of the triggering input.  Below is the circuit’s … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/10/24/lm139-one-shot-multivibratortimer/feed/ 0 http://www.simplecircuitdiagram.com/2011/08/02/one-shot-multivibrator/ http://www.simplecircuitdiagram.com/2011/08/02/one-shot-multivibrator/#comments Tue, 02 Aug 2011 13:50:48 +0000 Rend http://www.simplecircuitdiagram.com/?p=2654 A one shot multivibrator generate a fixed width pulse at the output when the input is triggered. This fixed width output should be consistent, regardless the width of the input trigger. One example of one shot multivibrator circuit is shown … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/08/02/one-shot-multivibrator/feed/ 0 http://www.simplecircuitdiagram.com/2011/07/25/bi-stable-multivibrator-rs-flip-flop-with-op-amp/ http://www.simplecircuitdiagram.com/2011/07/25/bi-stable-multivibrator-rs-flip-flop-with-op-amp/#comments Mon, 25 Jul 2011 15:19:41 +0000 Rend http://www.simplecircuitdiagram.com/?p=2656 This bi-stable circuit uses an op-amp, acts similar with RS flip-flop. Bi-stable circuit is a circuit with two stable states, low and remain low until set is triggered, or high and remain high until reset is triggered. Here is the … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/07/25/bi-stable-multivibrator-rs-flip-flop-with-op-amp/feed/ 0 http://www.simplecircuitdiagram.com/2011/07/15/direct-coupled-onoff-touch-switch/ http://www.simplecircuitdiagram.com/2011/07/15/direct-coupled-onoff-touch-switch/#comments Fri, 15 Jul 2011 14:51:36 +0000 Rust http://www.simplecircuitdiagram.com/?p=2649 The following touch switch circuit uses a CA3240 dual BiMOS op amp to sense small currents flowing between the contact points on a touch plate. Since this circuit is directly coupled with line voltage, a 1 M resistors in series … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/07/15/direct-coupled-onoff-touch-switch/feed/ 0 http://www.simplecircuitdiagram.com/2011/05/28/separate-on-off-touch-switch/ http://www.simplecircuitdiagram.com/2011/05/28/separate-on-off-touch-switch/#comments Sat, 28 May 2011 00:57:06 +0000 Rust http://www.simplecircuitdiagram.com/?p=2596 Providing a touch switch can be a cool way to make your circuit looks sophisticated. Moreover, providing separate touch pad for “on” and “off” function improve the safety, since touching one function doesn’t trigger opposite action to what we expect … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/05/28/separate-on-off-touch-switch/feed/ 0 http://www.simplecircuitdiagram.com/2011/05/16/relay-circuit-detects-light-change/ http://www.simplecircuitdiagram.com/2011/05/16/relay-circuit-detects-light-change/#comments Mon, 16 May 2011 01:31:51 +0000 Rust http://www.simplecircuitdiagram.com/?p=2579 Configured with capacitive coupling (by inserting a small cap between photo-transistor and bipolar transistor), this relay circuit will respond only to rapid changes  in light while ignoring normal gradual changes in ambient light. Rapid changes can be produced by light … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/05/16/relay-circuit-detects-light-change/feed/ 0 http://www.simplecircuitdiagram.com/2011/05/07/solid-state-relay-ssr-with-optocoupler-and-triac/ http://www.simplecircuitdiagram.com/2011/05/07/solid-state-relay-ssr-with-optocoupler-and-triac/#comments Sat, 07 May 2011 00:27:44 +0000 Rust http://www.simplecircuitdiagram.com/?p=2572 This solid state relay (SSR)  equivalent circuit is made of optocoupler and a triac. This SSR circuit is also designed with  LED protection from overvoltage and reverse polarity. The diode 1N4002 is the reverse polarity protector, as it will short … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/05/07/solid-state-relay-ssr-with-optocoupler-and-triac/feed/ 0 http://www.simplecircuitdiagram.com/2011/05/01/remote-on-off-switch/ http://www.simplecircuitdiagram.com/2011/05/01/remote-on-off-switch/#comments Sun, 01 May 2011 07:52:38 +0000 Rend http://www.simplecircuitdiagram.com/?p=2556 This is a remote on-off switch circuit. With this circuit, we can take the benefit of using small switch to control larger AC current from high power devices. Safer operation is the other benefit, since this circuit is control the … Continue reading →]]> http://www.simplecircuitdiagram.com/2011/05/01/remote-on-off-switch/feed/ 0