| The serial port (often called the COM port) is perfect for connecting various electronic circuits to the PC. The complexity of the connected...
| The serial port (often called the COM port) is perfect for connecting various electronic circuits to the PC. The complexity of the connected...
| Sadly enough, the popular Philips SAA3049 remote control decoder IC is no longer available. No semiconductor foundry offers a replacement ty...
| This compact stabilised power supply was specifically designed to obtain the best performance from the recently described subwoofer that for...
| This processor-driven automatic fan controller does not just run in parallel with the toilet light, but instead allows the user to adjust th...
| This switch unit is designed to drive two extra functions in a model via a switch-channel on the transmitter. A soft start function is provi...
| Ordinary proximity detectors use infrared sensors which respond to the warmth of the human body. But there’s a simpler way: we can use ambie...
| As with most small enclosures, the bass response of the active 2-way loudspeakers described last month has its limits. The compact subwoofer...
| In a real hourglass, silicon dioxide (SiO2) in the form of extremely fine quartz sand trickles from one bulb into the other. In the electron...
| At the end of the Light Mixer Panel article published in last year’s February issue we promised to complete the project with a compatible di...
| Most commercial digital Capacitance meters can measure capacitors from a few pFs (picofarads) up to 2,000 µF (microfarads). A few are able t...