| This fourth-order, voltage-controlled audio filter uses four LDRs and a single LED to adjust the cut-off frequency from approximately 20 Hz...
More in Audio & Video (174)
| DMX512 is used for controlling lights over a standard 2-wire half duplex RS485 interface. Generating DMX signals is not so easy as there are...
| Attention, audio lovers! What started as an Elektor Jumpstarter project is now the Elektor Fortissimo-100 Power Amplifier Kit. Check out the...
| Active loudspeakers feature (in general) good sound quality, but they must be switched on and off manually. The project presented here bypas...
| With a low-cost ESP32 camera and an improvised antenna one can transmit video data over up to 200 meters. Setting up a few of these cameras...
| Here is a serious tiny music synthesizer using an Arduino Mini as a dual digital oscillator. It has an analog voltage controlled resonant fi...
| With a BASIC interpreter running on an ESP32, it is easy to build a servo-mounted camera featuring pan and tilt control. No Arduino code, no...
| Looking for a small and compact sound card for a Raspberry Pi? Check out the IQaudio Codec Zero, which has a Zero form factor.
| This USB stick contains all fourteen 200-page volumes of Linear Audio published by Jan Didden between 2010 and 2017 together with lots of bo...
| Elektor's new Expert Collection, The Complete Linear Audio Library, is a must-have for every audiophile passionate about audio engineering,...