20 Pin AVR Relay Development Board

Product Description

Replacement: None. There is no direct replacement for this product. This page is for reference only.

Description: Development board for 20 pin AVR microcontrollers with power supply circuit, crystal oscillator circuit, RS232 port, 10 pin STK ICSP port, 4 relay output, and 4 optocoupler isolated inputs.

Features:

• 
  FR-4, 1.5 mm (0.062"), green solder mask, white silkscreen component print


• 
  Four mounting holes 3.3 mm (0.13")


• 
  ICSP 5x2 pin connector for in-circuit programming with AVR Programmers


• 
  Voltage regulator +5V, 7805 and filtering capacitors


• 
  Quartz crystal oscillator circuit - 10MHz


• 
  Reset IC ZM33064


• 
  Status LED connected to PB4


• 
  Power plug-in jack


• 
  DIL20 microcontroller socket


• 
  RS232 DB9 female connector


• 
  4 optocoupler isolated inputs with screw terminals


• 
  Input status LEDs


• 
  4 relay outputs with 5A/250VAC contacts with screw terminals


• 
  Output status LEDs

Dimensions: 100x80 mm (3.9x3.15")

Documents: avr-io-b.pdf, Schematic, AVR ICSP connector

Board does not come with AVR installed. Please see a list of related ICs below.