The DS18B20 Digital Thermometer
LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2);
int backLight = 13; // pin 13 will control the backlight
Steve Spence
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CdS Light Sensor
I’ve been playing with my Cadmium Sulfide (CdS) photoresistors, and have put together a basic light sensor. I’m outputting raw values, so there is no correlation with solar insolation. If anyone knows some cool formulas that would convert the output to sun
Steve Spence
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The $2 Thermistor Temperature Sensor
A thermistor makes for a very inexpensive temperature sensor, under $2 for the thermistor and the 10k ohm resistor, not counting the $45 for the Arduino and LCD display: Become the Maker you were born to be.
Steve Spence
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Thermistors, Ethernet Shields, and More
Yesterday I received a package in the mail from Hacktronics. Call it an early Christmas present. Inside was a package of Thermistors, 10k ohm resistors, a breadboard, and a Ethernet/Micro SD card Shield. Stay tuned for a variety of projects
Steve Spence
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Garduino Upgrade, Now with more Twitter!
I found a new Instructable that’s pretty amazing. Lot’s of Arduino goodness! From http://www.instructables.com/id/Garduino-Upgrade-Now-with-more-Twitter/ Become the Maker you were born to be. Try Arduino Academy for FREE! A couple months ago I came across two great instructables. The first was
Steve Spence
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Light Sensors
I’ve been working on a project that will allow me to determine the number of sun hours available in a given spot, and track that over time, as a component of solar power installation design. The idea is to get
Steve Spence
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