If you’re looking to create a home burglar alarm, build a trail camera, or even add life to animated Halloween props that spring into action when trick-or-treaters arrive at your door, the HC-SR501 Passive Infrared (PIR) sensor is an excellent choice to consider. Its versatility and reliability make it an essential component for motion-detection-based projects. […]
This versatile sensor not only identifies the presence of alcohol but also accurately gauges its concentration. Whether you’re looking to build a DIY breathalyzer to measure blood alcohol content or create a safety system that detects alcohol vapors, the MQ3 alcohol sensor is an ideal solution. With its sensitivity to ethanol and reliable performance, it’s […]
If you’re looking to measure temperature with an Arduino, there are a variety of sensors available, each suited for different applications. Some of the most popular options include the DHTxx series, DS18B20, LM35, and TMP36, among others. These sensors offer a range of features such as digital or analog outputs, precision, and ease of use, […]