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video How to make a CLAP ON - CLAP OFF circuit from scratch - No Software Required
Hi all
This video is a very detailed tutorial about how to make a clap-on, clap-off toggler circuit that can either light up an LED, or turn a 5v relay on and off. It is inexpensive, and easy to build. The parts are less than $15 if purchased off of ebay. You don't need to use all of this hardware. You can use some of the electronic bricks talked about in the video to modify your own circuit. This is a hardware based circuit, and it requires no software at all. I'll be making other tutorials in the upcoming weeks. I hope you enjoy this video. It is long, but very detailed!
In the video, I talk about the following electronic bricks, and I assemble and test as the video processes:
1) The microphone ciruit
2) The amplifier stage (To amplify the audio signal from the microphone)
3) The comparator stage (To create digital square wave)
4) The re-triggerable Monostable multivibrator stage (To turn hundreds of pulses into one single long pulse)
5) The toggler stage (Based on a JK flip-flop circuit)
6) The relay stage (To control AC devices)
I've created two other instructables on clap on/off circuits that rid the need of lots of hardware by using a programmed chip to do all the work. They can be found here:
http://www.instructables.com/id/USB-powered-clapper-switch-Extremely-little-HW-R/
http://www.instructables.com/id/How-to-make-a-Clap-Clap-on-Clap-Clap-Off-switch-/
If you have any questions, I'll be more than happy to answer them. If you have the parts, just follow along with the video, and you'll be able to re-create the circuit exactly. Remember, the parts can all be found through ebay. Thanks for watching, everyone!
This video is a very detailed tutorial about how to make a clap-on, clap-off toggler circuit that can either light up an LED, or turn a 5v relay on and off. It is inexpensive, and easy to build. The parts are less than $15 if purchased off of ebay. You don't need to use all of this hardware. You can use some of the electronic bricks talked about in the video to modify your own circuit. This is a hardware based circuit, and it requires no software at all. I'll be making other tutorials in the upcoming weeks. I hope you enjoy this video. It is long, but very detailed!
In the video, I talk about the following electronic bricks, and I assemble and test as the video processes:
1) The microphone ciruit
2) The amplifier stage (To amplify the audio signal from the microphone)
3) The comparator stage (To create digital square wave)
4) The re-triggerable Monostable multivibrator stage (To turn hundreds of pulses into one single long pulse)
5) The toggler stage (Based on a JK flip-flop circuit)
6) The relay stage (To control AC devices)
I've created two other instructables on clap on/off circuits that rid the need of lots of hardware by using a programmed chip to do all the work. They can be found here:
http://www.instructables.com/id/USB-powered-clapper-switch-Extremely-little-HW-R/
http://www.instructables.com/id/How-to-make-a-Clap-Clap-on-Clap-Clap-Off-switch-/
If you have any questions, I'll be more than happy to answer them. If you have the parts, just follow along with the video, and you'll be able to re-create the circuit exactly. Remember, the parts can all be found through ebay. Thanks for watching, everyone!
Great work, and excellent circuit!
I noticed that your schematic in your video says that the 74LS123 (Monostable) has 14 pins. But my 74LS123 has 16 pins. Was that a mistake on your part? Or are there 74123 chips that have 14 pins?
The only 74123's I found on google had 16 pins.
Ryan
Could i use this whole circuit with a 9v battery.
Or i have to use 5v ........................
please reply
I am from India. Excellent video. Of late I have been bitten by the bug to learn electronics. Shall be glad if you can post a complete schematic. It shall help me compare your diagram from the one I have drawn after having watched your video. Also a total component list shall be helpful. If these info are already available, can you provide a link to see the same.
Regards
Banerjee
please continue making videos like this one.
I work with relays every day and now I am able to explain it to someone else with some degree of confidence.
There should be more like this.
I love to learn and this is exactly how if you are hands on and visual like myself and cannot be there physically.
Thank You and Great Work!
I was chgecking this vdeo. I am planning to make the clap switch using 8085v uP. Can you tell me how to make this using 8085?
Pat