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Arduino Uno R3

Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

Price BDT 479
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EM4100 125kHz RFID Card

It is proximity ID card of 125KHz, EM4100. It has been specially manufactured and packaged to be clean from dust. And you can print any pictures on the PVC blank cards. You can use it with our RDM6300 RFID reader module.

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DHT21 AM2301 Temperature & Humidity Sensor

The DHT21 digital temperature sensor is one of the commonest from the range of DHT temperature sensors and boasts a relatively high-temperature measurement accuracy of 0.5oC in 0.1oC steps with a relative humidity accuracy of +/- 3%. It has only 3 wires, including power and ground, meaning only one digital pin is required to interface it to a microcontroller...

BDT 650
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Description

The DHT21 digital temperature sensor is one of the commonest from the range of DHT temperature sensors and boasts a relatively high-temperature measurement accuracy of 0.5oC in 0.1oC steps with a relative humidity accuracy of +/- 3%. It has only 3 wires, including power and ground, meaning only one digital pin is required to interface it to a microcontroller. For Arduino development platforms the sensor is very well supported by the DHT library available from the Arduino Playground website.

Image



Specification: 

Product Code: HCSENS0026
Model: AM2301
Power supply: 3.3-5V DC
Output signal: digital signal via single-bus
Sensing element: Polymer humidity capacitor
Measuring range: humidity 0-100%RH; temperature -40~80Celsius
Accuracy: humidity +-3%RH(Max +-5%RH); temperature <+-1Celsius
Resolution or sensitivity: humidity 0.1%RH; temperature 0.1Celsius
Repeatability: humidity +-1%RH; temperature +-0.2Celsius
Humidity hysteresis: +-0.3%RH
Long-term Stability: +-0.5%RH/year
Sensing period: Average: 2s
Dimensions size 59*27*13.5mm

Example Arduino Sketch, Library, and Datasheet available on our support forum here.

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