IMP3 (dual channel impulse response board)

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The IMP3 board uses the smaller AT Tiny 15 microprocessor to measure the impulse reponse at two external pins. 1M ohm resistors are charged then read as the charge decays.

For step by step directions on how to make or use the following files, see Making the Hello World Board with the Modela

components

1206 size surface mount electronic components are needed for the IMP3 board.

  • (1) Atmel AT Tiny 15L microprocessor
  • (1) 10k ohm resistor
  • (2) 1M ohm resistor
  • (1) 2.2u farad capacitor
  • (1) 3.3 volt voltage regulator
  • (2) 5 hole surface mount header
  • (1) 4 hole surface mount header

    circuit

    imp3.sch - the IMP3 schematic
    imp3.brd - the IMP3 board
    imp3.cmp - the IMP3 board gerber file

    software

    dimp.asm - the dual impulse response program (for the board) in assembly language
    dimp.py - the dual impulse response display program (for the monitoring computer)