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 project shows you how to add a USB interface to a standard HD44780 compatible LCD and emulates the CrystalFontz serial protocol over a virtual COM port created by the FTDI chip. This enables you to use already existing software to speak to the LCD, for example the popular program LCD Smartie. The circuit uses [...]
This project is an experiment of capacitive touch sensor. The detector electrode (touch area) is a 10mm square copper plate put on the PCB and covered with an insulation overlay (Kapton tape). An ATtiny2313 with 1M ohms pull-up resister is used for the detector circuit.
If you want to build more permanent project than on a breadboard but don’t want make a custom PCB for it then Tiny2313 Proto Board may be a good solution for you. Tiny2313 Proto Board is small one-off projects and prototypes based on AVR ATtiny2313 by Alex tinkerlog. The board comes with 10 components only [...]
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