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Components used

Data logging equipment:

  1. ADC0804 : an 8-bit, single channel ADC
  2. CD4051 : an analog 8X1 MUX
  3. 74LS93 : a four bit binary counter
  4. 74LS04 : hex inverters
  5. Parallel port interface to the PC

Sensing and signal conditioning equipment:

  1. AD590 : a temperature sensor
  2. LDRs : for sensing ambient light
  3. LM324 : op-amps

Software development tools (only freely available open-source tools were used) :

  1. Dev-C++ : A C++ IDE
  2. MinGW GCC : GNU C++ compiler
  3. SDL : A 2-D graphics library
  4. SDL_gfxPrimitives : 2-D primitives
  5. Inpout32 : Parallel port driver