Circuit Lake » Basic

IR Remote Switch for Home Appliance

admin — Thu, 13 Oct 2011 00:57:33 +0000

If you are looking for simple ON-OFF remote switch for your home appliance then this InfraRed remote control circuit is suit for it. This circuit allows you to turn on/off your home appliance (lamp, ran, radio, etc) using any type TV, VCD or DVD remote control with range up to 10 meters. The circuit [...]

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Basic Touch Sensor Using AT90S2313

admin — Sat, 23 Jul 2011 02:01:00 +0000

This simple touch sensor project can be used to add a touch switch to your computer. It can detect when you touch a sensor connected to one of the sensor inputs. The project is built based on AVR AT90S2313 (you can replace it with ATtiny2313).The basic idea of circuit is really simple. Make one pin [...]

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Crystal Radio With External Speaker

admin — Thu, 07 Apr 2011 00:37:10 +0000

Crystal radio is the simplest type of radio receiver, and can be handmade with a few inexpensive parts, like an antenna wire, tuning coil of copper wire, crystal detector and earphones. It needs no battery or power source and runs on the power received from radio waves by a long wire antenna.However if you hard [...]

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Solar Powered Mirror Bot

admin — Wed, 20 May 2009 00:21:44 +0000

This solar powered artbot based on Solar Engine. The circuit consist of two transistors, one flashing led, one resistor, one capacitor. If there is a light the mirror will rotate and if no light the mirror will stop. I think, It’s nice and fun solar powered electronic project. Solar Engine is At the heart of most [...]

Reverse Engineering with Photoshop

admin — Wed, 26 Nov 2008 22:17:41 +0000

If you want to learn Reverse Engineering you can use photoshop as aid tools. For example, This 12-keys keypad failed after years of daily use. No schematic or replacement parts from the original manufacturer. The only option was to replace it with an off-the-shelf telephone-style keyboard.Following the maze of each and every PCB track in [...]

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Simple Metronome Project

admin — Fri, 02 May 2008 22:38:00 +0000

Daniel designs this Metronome with a few simple electronic components.The Metronome is any device that produces a regulated audible and/or visual pulse, usually used to establish a steady beat, or tempo, measured in beats-per-minute (BPM) for the performance of musical compositions. It is an invaluable practice tool for musicians that goes back hundreds of years. Material [...]

Simple RS 232 Level Converter

admin — Thu, 31 Jan 2008 10:47:00 +0000

When you need connect your Microcontroller Project to COM port in PC you need RS 232 converter. There are many chip to solve the problem like MAX232, DS275 etc. But if you need simple and chep for RS 232 converter, i though this circuit will be usefull for you. The design made by Wichit Sirichote.“A [...]

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