PIC 18 series programmer

for PIC18F458, PIC18F452, PIC18C252, PIC16C745, PIC18F6620, PIC18F6720 etc.

Powering the big microprocessors

RS-232C handshake lines transfer data frames

you can use the DTE-DCE handshake using RS-232

RS-232C line-driver IC drives power MOSFETs

RS232 to I2C Interface

RS485-like multi-drop bus

with half duplex serial protocol

Simple RS-232 optoisolator idea

Simple RS-232 serial port buffer circuit

Simple RS232C Level Converter

using transistors

Using PIC Forth

If you program the PIC, there is one programming language that builds a simple idea into a powerful system and still gives you a great deal of control over your program: Forth.