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ATMEL Mega 8535/16/32

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oth Mainboard Features
  • Pin compatible for 40-pin AVR and AT89S5x family Microcontrollers
  • Single sided PCB, header for 4 I/O ports, ISP port and RS-232 port
  • Built in +5V voltage regulator LM7805 with heatsink
  • Built in +5V and +12V (depend on input voltage) with terminal screw connector for further expansion
  • Onboard In System Programmer header
  • Schematic Included
  • Both mainboard is identically appearance with minor change
AVR Minimum System
Figure 1 Mainboard layout for ATMega 8535/16/32
MCS-51 Minimum System
Figure 2 Mainboard layout for AT89S5x Family

I/O Modules:
LED Board
  • The LED board provides 8-bit dot LED. The board can tie to the main PCB easily with a 10 pin ribbon cable.
Led Module
Figure 3 LED Module
Tact Switch Module
  • The switch module also for 8 bits input port. When the key was pressed, the logic will be '0'.
Tact Switch Module
Figure 4 Tact SwitchModule
LCD Module
  • The LCD is HD44780 compatible 2x16 text LCD.
16 x 2 LCD
Figure 5 LCD Module
Keypad Module
  • The board is 4 matrix keypad. Student can learn how to write the code that scans the key.
4 x 4 Matrix Keypad
Figure 6 Keypad Module
RTC and 1-Wire Temperature SensorModule
  • The RTC is DS1307 from maxim and 1-Wire temperature sensor is DS1822 from maxim to..
RTC
Figure 7 RTC and 1-Wire Temperature SensorModule
Cooming Soon
  • 7 - Segment display
  • Dot matrix display
ISP Header
Figure 8 Signals of the ISP header
Download the complete file here : kit_module_new.zip.
The zip file contains all PCB boards, include schematic for both mainboard.
Download the old version here : kit_module.zip.
The zip file contains all PCB boards, no schematic included, an older version of mainboard.
For the board with no schematic included (figure 3 - 7), you can make it yourself, is easy to figure out the schematic from the PCB board.
If you have any question, suggestion or maybe you find a bug, I'll very grateful if you contact me at : logixguy@yahoo.de
Updated: 10 December 2010

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