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. |