Tag Archives: ldr

4 generations of my arduino based night/movement light.

4 generations of my arduino based night/movement light. Over the last few years I have been developing a Movement activated lighting board. I liked the idea of lighting that turned on and off by itself when you needed it. I made a LOT of prototypes over the years. I originally had a centralised system, with…
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Arduino Development Board Version Two

Here are some pics of the second version of my Arduino Development Board. Very happy with the board, everything is working great, and its really feature packed! It has got.. An LCD, a buzzer, 2 status leds, a potentiometer, a real time clock with battery backup, a high power relay (230v 10A), 3 high power PWM…
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Weather and environmental monitoring

[caption id="attachment_362" align="aligncenter" width="584"] The homebuilt weather station[/caption] As with all electronic enthusiasts, there comes a a time when you begin to investigate sensors. It might start with a light sensitive resistor, then possibly a temperature sensitive resistor. These two are particularly simple devices. And less than a dollar each. Imagine both of the resistances…
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