| Want a DIY lux meter that can hold its own against commercial meters? You can build your own. Conventional incandescent lamps have been phas...
| Want a DIY lux meter that can hold its own against commercial meters? You can build your own. Conventional incandescent lamps have been phas...
| This installment: - C/C++'s best kept secret - The incandescent lightbulb fights back - Lissajous in the Sky with Diamonds - Life hacks - M...
| Believe it or not, there was a time when hobbyists found 7-segment displays with red LEDs (cutting-edge technology at that time) hard to com...
| but not the ones with tungsten wires, these are now collector’s items and only available from under the counter. Using a technology called n...