| This circuit is a simple but high-quality preamplifier using a DS1882 digital potentiometer, a device specially designed for audio applicati...
More about Circuit (708)
| For car alarms, emphasis should be put on hearing the audible alert and identifying it as belonging to your ‘wheels’. Unfortunately, modern...
| Digital decoders in model locomotives usually have two outputs for lighting functions. One switches the front lights for forward travel, and...
| The Zoom H2 is a popular portable audio recorder. This recorder can record four tracks simultaneously, but unfortunately this only applies t...
| The DTMF encoder circuit shown here is based on the HT9200B tone generator device produced by Holtek and distributed by Futurlec among other...
| The indicator described here is specifically designed for adjusting the dynamic limiter described elsewhere in this edition and checking whe...
| In the decoder designed for the DTMF Link project a Holtek HT9170B does the main job. The natural counterpart of the HT9200B used in the ass...
| Pictures are worth a thousand words, so this will be the shortest ever article for an electronics magazine. Recently our overweight cat deci...
| When you step out of your brightly-lit house into the darkness, it takes a while for your vision to adjust. A solution to this problem is th...
| Putting professional-looking legends on front panels is a problem for many electronicists. Transparent plastic films ought to work but the h...