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DN Staff
April 26, 2011
2 Min Read
Ed Nauman had a bad habit of leavinghis workshop at night without turning off the heater. His wife would get up inthe morning and find - to her consternation - the workshop was plenty toasty.In the interest of keeping peace in his household, Ed decided to create agadget that would save the energy spent through forgetfulness. He knew he couldbuy an off-the-shelf solution, but as he says, "Where's the fun in that?"Instead, Ed turned to the world of thermostats and microcontrollers.
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Gadget Freak Case 185: Turn off the Heater behind Me
Amt | Part Description | Allied Part # |
1 | 1 uF Cap | |
1 | Capacitor | |
1 | 0.1 uF Cap | |
1 | NPN Transistor | |
1 | 10 Pin Head Connector | |
1 | IC MCU Flash 8KX14 EE 28 DIP | |
1 | 3 Pin Terminal Block | |
1 | 5 Pin Terminal Block 0.1 | |
1 | Schotky Diode | |
1 | 100 Ohm Resistor | |
1 | 10K Resistor | |
1 | 200 Ohm Resistor | |
1 | LED | |
1 | Pushbutton PCB Switch | |
1 | DPDT PCB Relay | |
1 | 390 Ohm Resistor, 1/8W | |
1 | Thick Film, 180 Ohm Resistor | |
1 | 2K Resistor, 1/8W | |
Other Parts | ||
1 | 5V TO220 Regulator | |
1 | Motion Sensor Module | |
Get Build Instructions and Complete Parts List | ||
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