Indicators, detectors

Articles

Title	Hits
Simple Audio Peak Detector	506
Simple BFO Metal Locator	438
Simple Capacitive Touch Sensor	471
Simple finder for hidden wiring	517
Simple Moisture Detector	413
Simple One-Wire Touch Detector	564
Simple Short-Circuit Detection	523
Smoke detector	583
Spike Detector For Oscilloscopes	445
Super Light Sensor	442
Supply Voltage Indicator	394
Telephone In-Use Indicator	421
Temperature-Controlled Soldering Iron	480
Temperature-Controlled Switch	499
Temporarily Silencing A Smoke Detector	435
The DC voltage indicator	491
The gas detector tubes	554
The indicator for hidden wiring on chips	513
The indicator move air	735
The indicator of ionizing radiation on chips	608