Relay Development Board for ATMega16

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

Development board with high power relays, opto-coupled inputs, power supply circuit, crystal oscillator circuit, RS232 port, with ICSP and JTAG ports!

  • JTAG 5x2 pin connector for in-circuit programming with AVR Debuggers
  • ICSP 5x2 pin connector for in-circuit programming with AVR Programmers
  • Pre-mounted ATMega16-16AI
  • Four mounting holes 3.3 mm (0.13")
  • Voltage regulator +5V, 7805 and filtering capacitors
  • Quartz crystal oscillator circuit - 10MHz
  • Reset IC ZM33064
  • Status LED
  • Power plug-in jack
  • RS232 DB9 female connector
  • RS232 interface circuit with Tx, Rx signals
  • 4 optocoupler isolated inputs with screw terminals
  • Input status LEDs
  • 4 relay outputs with 5A/250VAC contacts with screw terminals
  • Output status LEDs
  • 100x80 mm (3.9x3.15")


Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • Member #224234 / about 13 years ago / 1

    This appears to be Olimex AVR-IO-M16 DEVELOPMENT BOARD. If that is the case isn't the crystal oscillate at 16 MHz?

  • does it come already assembled??
    or do I need to assembly it??

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