Last year, I took a look at some mostly low-cost passive infrared (PIR) motion sensor modules. Then recently, I became more aware of cheap microwave radar motion sensor modules. The popular version of ...

Electronics hobbyists, experimenters and constructors of microcontroller project frequently need to measure/detect voltage, current, frequency, temperature and… proximity. Most measure ...

[hclxing] eagerly picked up an LED ceiling light for its ability to be turned on and off remotely, but it turns out that the lamp has quite a few other features. These include adjustable brightness, ...

Abstract: This paper introduces a dual-channel microwave module, which is the core component of active phased array radar. The dual-channel microwave module is composed of power divider, phase shifter ...

ams has launched the TMx4903 series of optical sensing modules that integrate multiple functions including universal remote control, barcode emulation, RGB colour sensing, proximity and 3D gesture ...