Recently an ad on YouTube about an acoustic light sensor/switch module piqued my interest ... In general, the design is relatively simple, so it only takes a few minutes to prepare the schematic. This ...

Instead of buying many TEMT6000 sensors to meet the minimum order demand of most online sellers, I chose a cheap TEMT6000 ambient light sensor module because it was easier (see below). Below is the ...

The new TMD2755 module’s footprint of just 1.1mm x 3.25mm is some 40% smaller than that of the next smallest comparable 3-in-1 (IR emitter + IR detector + ambient light sensor) modules on the ...