| Browsing Elektor Labs from old to new I came across an interesting project from 2013 to transform a remote controlled cable car into a Wi-Fi...
All items tagged with LED and phone (11)
| Laird’s BL600 Bluetooth communication module, for which Elektor offers the famous e-BoB breakout board, is used here in a complete new and a...
| Philips has introduced a line of online addressable LED light bulbs dubbed Hue that users can control from any iOS or Android device, includ...
| This circuit can be called using your mobile or a regular telephone set (with DTMF keys) and after passing some procedures, you can control...
| Using a simple SMS message sent from your GSM phone, two mains powered loads may to be switched on and off independently, or programmed to d...
| The preamplifier is intended for use with dynamic (moving coil – MC) microphones with an impedance up to 200 Ω and balanced terminals. I...
| The circuit in the diagram was originally designed to monitor an oscillator, but can also be used as a general-purpose level indicator f...
| To many hi-fi enthusiasts and musicians, the thermionic valve (electron tube), the sound of a valve amplifier cannot be bettered by that...
| A switch, based on a PIC(1) RISC(2) processor, is described that enables mains-operated equipment, such as a computer, a coffee maker, or...
| The switching unit described here is capable of controlling up to seven mains-powered loads with the aid of commands received via telephon...