COMPLETED PROJECTS:


Arduino based Preamplifer

Arduino based preamplifier unit containing:
  • Arduino UNO + basic I/O shield
  • 20x4 LCD (I2C)
  • relay board for input selection
  • relay board for power control to 2 x miniDSP boards
  • motorized potentiometer + motor control board
  • IR receiver
  • RJ45 port for connecting with amplifier power distribution box

Allows to power up/down amps, select audio input, and control volume using IR remote.  Utilized in my HT setup. Volume can go up to 11.

AC Controller

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UNO + LCD Shield + Relay + Thermistor

Thermostat dedicated for AC control.

Allows to define duration of ON-OFF cycles in order to better control power consumption and RH levels.


Energy Use And Temperature Monitor

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UNO + Thermistors + EmonTx Shield + Current Transformers + Ethernet Shield

Whole house energy usage monitoring.


Arduino Powered Pumpkin Eyes

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Animated eyes with MAX7219 LED 8x8 module

Source at: https://github.com/michaltj/LedEyes
Using LedControl library: http://playground.arduino.cc/Main/LedControl
Watch on YouTube
Read on Hackaday.com


USB Temperature Sensor

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Super simple temperature sensor.

Allows to read temperature via USB (Virtual COM port).

Left to right: Arduino Nano with thermistor, Assebled sensor in 3D printed box, USB stick for size comparison.

http://playground.arduino.cc/ComponentLib/Thermistor2



FUTURE PROJECTS:


Furnace Assistant

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UNO + Thermistors + Solid State Relays + AC Fan Speed Controller

Duct booster fan control, air circulation fan control.

Will (hopefully) allow to better control temperature in the addition of our house, and reduce the temperature differential between basement and main floor.