UNIVERSAL GKOS IR KEYBOARD  -  Parts



All you need


The 4MHz resonator is under the PIC
(between PIC and the board)

How to build one


There are only a few components required to build a GKOS universal keyboard:


- Small plastic box and a piece of board
- Two AAA batteries (or one 3 volt battery)
- 6 micro switches (keys) and some wire
- Microcontroller PIC 16F876 + socket
- Resonator  4 MHz
- Transistor 2N3904
- Resistors 10k ohm and 22 ohm
- IR LED  LD271
- PIC software from www.gkos.net
- 1'' wide decal for rare characters


To learn about the GKOS keyboard in general, see www.gkos.com.
 30 August 2004 - edited 8 Nov 2005, 5 Sept 2008 (decal)
www.gkos.net

GKOS Keyboard  -  Full QWERTY capabilities with only 6 keys on the back!