If you ever built a line following robot, you’ll be nostalgic about [Jeremy’s] light-seeking robot. It is a very simple build ...

Abstract: This paper presents design and implementation of an ultrasonic sensor based walking stick for visually impaired person. An ultrasonic sensor module, HC-SR04 is used for obstacle detection in ...

Abstract: Liquid metal sensors are widely used in smart electronics, health monitoring, and smart engineering. Usually, the liquid metal sensor with a single structural design has only one measurement ...

There is a cheap brandless ESP32 circuit board that comes with a 320 x 240 LCD display with touch that a number of Chinese businesses seem to be selling, also via AliExpress and Amazon. There's a ...

It's a tiny $9 Linux capable board, with low energy consumption and some interesting performance and capabilites. As opposite to a more tradicional, well supported and known SBC like the Raspberry Pi, ...