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This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac. The receiver circuit is based on the Radio Shack infrared receiver module (MOD), part number 276-137.   ... Read more »
Category: Control | Views: 1274

This low current relay circuit is designed to be used in battery operated electronic devices. Its operating current is in micro amperes (µA). This is done by using a bistable relay and adding some components to force the relay to behave like a monostable relay.  ... Read more »

Category: Control | Views: 1599

This is a do it yourself wireless hardware keylogger project, consisting of a logging unit with a 2.4GHz transmitter, and a USB-based receiver. The project includes the schematics, PCB design, firmware, software and lots of additional files and data. A wireless keylogger is a perfect solution for monitoring user activity, at very low risk of disclosure, is a purely electronic device, so no access to the operating system is required.
The Wireless Keylogger consists of two main building blocks: the transmitter, and the receiver. The actual keylogging takes place in the transmitter, which is in fact a PS/2 hardware keylogg ... Read more »
Category: Control | Views: 1306


This is a 
3 channel RF remote control project.The transmitter powered by 3V battery(coin size) range about 10 m.  ... Read more »
Category: Control | Views: 2644

A continuously working wiper in a car may prove to be a nuisance, especially when it is not raining heavily.
By using the circuit described here one can vary sweeping rate of the wiper from once a second to once in ten seconds.   ... Read more »
Category: Control | Views: 1603

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