LED Tone Generator by IC LM555

Friday, August 15th, 2008


This circuit use test waves light receiver signal pulse change LED1. For R1 and C1 be formed control the rate pulse of the circuit. Besides equipment all value in the circuit will give the rate pulse about 600Hz. Other detail see add [...]

RF Modem by XR2211 - XR2206

Wednesday, February 20th, 2008


This is a project based on the above chips , details of which were sent to me by VU3CRJ. I have designed a PCB for the same but unfortunately I have not tried it out. It is to be used with the Baycom Software for Packet Radio. The software is available at the homepage of [...]

RC5-RC6 codes on a LCD PIC16F628

Monday, January 7th, 2008


Do you want to remote control the dim-level from the lighting, open and close the sun-blind and windows, turn the central heating on and off, and plenty more in your house with a normal TV remote control? Realize it with the projects underneath.
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