Posts tagged: io-interface
Getting started with the AVR microcontroller series
A quick introduction to the AVR microcontroller series with sample schematics of inputs, outputs, serial and some basic circuit drawing.
Serial interface module, with analog and digital I/O — AVR
Serial (RS-232) interface module; providing 6 analog and 2 digital inputs, and 9 digital outputs. Uses an AVR ATmega8 microcontroller.
Serial port I/O module with 15 inputs — AVR
Serial (RS-232) interface module; providing 15 digital inputs. Uses an AVR ATmega8 microcontroller.
Serial port I/O module with 9 in and outputs — AVR
RS-232 interface module, with 9 inputs and 9 outputs. Uses an AVR ATmega8 microcontroller.
Serial port I/O module with 11 inputs — AVR
RS-232 input module, with 11 inputs. Rebuild of previous RS-485 module. Uses an AVR ATtiny2313 microcontroller.
Multiplexer output extender
Get more digital outputs on your I/O device with a multiplexer, 3 outputs turned into 7.
Parallel port I/O module
Get 5 inputs and 8 outputs from a computer printer port using only a few transistors and resistors.