A bit of thought led him to build a reflective sensor which can measure the spinning of a wheel (translated). He got his hands on an infrared phototransistor which had been used as part of the ...

The only thing that’s really changed, aside from the adjustments necessary to the 3D printed enclosure, is that the LiDAR sensor was replaced with a MLX90614 IR temperature sensor. [gokux] has ...

GY-906 is an easy DIY Raspberry Pi project using inexpensive materials like PICO, GY-906 sensor, OLED display, push switch, ...