December 15, 2012

Name the Thing Contest – 213

    The prize this week is an ultrasonic sensor, this can be interfaced to your latest project to give you a way to measure distance. This contest will run for one week (December 15 – 21, 2012). Ending time is based on central standard time. To enter, identify the item above and what it can be used for. Please do not give the answer in the comments. Send an

Etch a Sketch Temperature Logger

     This Etch a Sketch Temperature Logger uses a few stepper motors to turn the knobs of an Etch a Sketch. A temperature sensor is used to provide the input to a PICAXE 18M2 microcontroller. The temperature is then shown on the screen from left to right as the microcontroller commands the stepper motors to move the knobs to represent the current temperature.