Atmel ATmega128 Board, RS232, 16x2 LCD, Relay & Buzzer

AVR-MT-128

This microcontroller board features an Atmel AVR ATmega128-16AU microcontroller with 128 kBytes Program Flash, 4 kBytes data EEPROM, 4 kBytes RAM. A JTAG connector allows for easy in-circuit debugging and programming. In additon, a 10-pin ISP connector allows programing using an STK500 compatible programmer.

The board ships completely assembled and tested.

ATmega128 Board Features

  • MCU: ATmega128-16AU with 128 kBytes Program Flash, 4 kBytes data EEPROM, 4 kBytes RAM
  • AVR JTAG connector (top view on target board) for in-circuit programming and debugging with AVR JTAG In-Circuit Debugger & Programmer
  • 5x2 pin STK500 compatible ISP connector (top view on target board) for In-System Programming with an AVR ISP Programmer
  • RS232 connector with TTL levels
  • RS232 interface circuit with Tx, Rx signals
  • RS232 DB9 female connector
  • Dallas Touch Button port
  • Frequency input
  • LCD 16x2 display
  • LED status
  • Five buttons
  • Buzzer
  • Voltage regulator +5V, 78L05 with plug-in power jack and diode bridge for use with a 12VDC or 9VAC power supply
  • 32.768 kHz crystal oscillator
  • 16 MHz crystal oscillator
  • Power supply filtering capacitor
  • RESET supervisor IC ZM33064
  • Relay with 10A/250VAC NO and NC contacts with screw terminals
  • Extension headers for unused ports available for external connection
  • PCB: FR-4, 1.5 mm (0.062"), green soldermask, white silkscreen component print
  • Four mounting holes 3.3 mm (0.13")
  • Dimensions: 120 x 38 mm (4.7 x 1.5")