We may receive a commission on purchases made from links. The world of electronics is fascinating, but it has a high barrier to entry. Trying to program a full-blown computer or understand the complex ...

If you were on the fence about ESP32, these projects will get you started in no time ...

This sensor uses I2C to communicate. An I2C instance is required to access to the sensor. The APIs provide simple distance measure in both polling and interrupt modes. There are 3 examples with the ...

Elliot Williams and Al Williams got together to compare notes on the most interesting posts this week on the site. As usual, there are just too many choices, so you’ll have to settle for ...

Optical cavities – two mirrors arranged to reflect light multiple times between them – form the basis of lasers and certain ...

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A standalone Arduino sketch using an HC-SR04 ultrasonic sensor to measure distance in real time, display it on a 16x2 I2C LCD, and trigger an LED + warning message when an object comes within 6 cm.