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3V output port x5
5-inch Mobile Hard Disks
5 Hz SCANNING ANGLE 360° RANGING FREQUENCY 8000 Hz RESOLUTION ≤ 1% of actual distance (≤12 m)
Special attention: the installation of the battery must be determined positive and negative
that guarantees that the belt tooth fits smoothly and accurately in the pulley groove
Samyoung Optical Dust Sensor DSM501A RPIACC 3V output port x5This optical dust sensor can measure the air quality by measuring on air particles dust. The Air Quality Index (IAQ) is fairly easy to determine using an Arduino (or ESP32, ESP8266) and a DSM501 sensor. The DSM501A is a detector capable of measuring the presence of fine particles in suspension in the atmosphere according to PM2. 5 and PM10 standards. The DSM501A is a very economical sensor which can be used as a base to build an air quality
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