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PM2.5 laser dust sensor is a digital universal particle concentration sensor,it can be used to obtain the number of suspended particulate matter in a unit volume of air within 0.3 to 10 microns, namely the concentration of particulate matter, and output with digital interface, also can output quality data of per particle. The sensors can be embedded in a variety of concentrations of environment-related instruments suspended particulate matter in the air ,to provide timely and accurate concentration data.
Specifications:
• Voltage: 4.95 ~ 5.05V
• Maximum electric current: 120mA
• Measuring pm diameter: 0.3~1.0/1.0~2.5/2.5~10 (um)
• Measuring pm range: 0~1000 ug/m3 Standby Current: ≤200 uA
• Response time: ≤10 s Operating temperature range: -20 ~ 50C
• Operating humidity range: 0 ~ 80% RH
• Maximum size: 46 * 35 * 20mm (1.82 x 1.38 x 0.79 inches) MTBF: > = 5 years
Includes:
• 1x PM2.5 laser dust sensor x1 PM2.5 sensor adapter x1 sensor adapter cable x1 - DFRobot.
The MFRC522 operates in the frequency range of 13.56 MHz and uses the principle of modulation and demodulation to interact with the RF proximity card. This unit can perform the function of the card reading and writing device, to identify and record various information on the card, to encode and authorize an RF card.
This is an os card for our RFID readers . The SparkFun L eid RFID Breakout converts the 2mm pins to the breadboard in a friendly 0.1 "headers. With this ability the ID-3LA, ID-12LA, and ID-20LA you can weld the reader directly to the header or use the 2 mm connectors