// Tested with green LED an 1 kOhm resistor at pin A5. // LED produce up to 1.4 voltage and 3 micro amps current at light. // The current is very small and messurements don not provide stable results.

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

Abstract: Drunk driving remains a significant issue worldwide, with thousands of lives lost every year due to accidents caused by individuals operating vehicles under the influence of alcohol. The ...

Fine particulate matter in the air or nanoparticles in water—a remarkable new technology developed at TU Wien makes it ...

Wearable technologies are starting to reshape how people manage health. Continuous glucose monitors that measure blood sugar ...

Infrared sensors that detect the short-wave infrared (SWIR) region can clearly recognize objects not only during the day and ...

Waveshare UGV Beast is an off-road robot with tracked wheels designed for Raspberry Pi 4 or 5 SBC handling AI vision and ...

A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

The last week of the release continued the same “lots of small fixes” trend, but it all really does seem pretty benign, so I’ve tagged the final 7.0 and pushed it out. I suspect it’s a lot of AI tool ...

MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, ...

We've all heard that "if you want something done right, you have to do it yourself." And that’s usually fine when it comes to ...