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PS/2 Keyboard Encoder

  • PS/2 Encoder PCB Top View
  • PS/2 Encoder Fully Assembled with Connector
  • PS/2 Encoder Fully Assembled with Connector
Price:
$21.00
SKU:
PS2ENCODER-FULL-HD
Weight:
1.20 Ounces
Shipping:
Calculated at checkout


Product Description

PS/2 Encoder interfaces industry standard PS/2 PC-compatible keyboards to devices requiring TTL-level RS232 or parallel data signaling.  All ASCII key sequences are decoded, as well as common keyboard sequences like "CTRL-ALT-DEL".  To provide maximum flexibility for various uses while retaining ease of operation, the unit's configuration can be modified in-circuit using the PS/2 keyboard itself.  Features include:

  • Unit outputs ASCII via 8-bit parallel port and RS232
  • Parallel output support configurable active high or active low strobe
  • Output supports variable intercharacter delay (0-2.5s in 10mS increments)
  • RS232 bps rate can be set from 110-57600 bps
  • BS sends either BS or DEL
  • CR sends CR or CRLF
  • Crystal is optional
  • CAPSLock operation works
  • Indicator LEDs are supported
  • Configuration can be performed from the keyboard.  When CONFIG jumper is installed, Ctrl/Alt/BS places the unit into configuration mode, where keypresses set various options.
  • Special "raw mode" sends actual PS/2 keyscan values to the RS232 and parallel ports.

Technical Details

PS/2 Encoder consists of an Atmel ATMEGA88 AVR microcontroller and associated connectors.  The unit can be ordered as a base PCB, a minimal parts kit, a full parts kit, or a completed unit.

The PCB features include:

  • Supports 24 pin .6″ IC socket connection as well as 2×12 header connection.
  • Crystal footprint included on PCB
  • PS/2 connector footprint included on PCB
  • Through hole design makes "do-it-yourself" construction easy.

 

Construction details and configuration settings are available on the product information page.

Note:If you are outside of the United States and your order consists solely of unpopulated PCBs, please contact us for cheaper shipping options.

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