Thursday, December 31, 2009

STK200 ISP cable (DSUB-25)




Partlist:



  •  DSUB-25 connector with cover
  •  UTP cable
  •  1 x SN74HC244N
  •  1 x 100nF
  •  1 x led
  •  1 x 470 ohm
  •  1 x 100k ohm
  •  1 x 1N4148 dioda
  •  1 x Flat Ribbon Connector, 2x5 IDC, Female













Documentations:
Schematic
PCB

Nokia 3310 LCD screen with DSUB-9 connector






Partlist:

  • Nokia 3310 LCD screen
  • UTP cable
  • DSUB-9 connector (female) with cover


















Documentation: 
Nokia 3310 (Philips PCD8544 controller) documentation

Tuesday, December 29, 2009

ATmega8 central unit




ATmega8 central unit contains:
- reset circuit (MCPI130DI)
- ISP header
- Quartz connector
- Messuring connectors (for each pin of the chip)
- Board connectors (for specific circuit)

The power supplier can connect via meassuring or board connectors (there isn't a dedicated power input connector).










Files: