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MQ135 Air Quality Detection Sensor
৳ 170Add to cart- Operating Voltage: 5V DC.
- Detection Range: 10 – 1000 ppm (Ammonia, Benzene, Alcohol, Smoke).
- Preheat Time: Over 24 hours for accurate readings.
- Output: Analog output voltage proportional to gas concentration.
- Sensitivity: Adjustable via onboard potentiometer.
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MQ2 Gas and Smoke Sensor Module
৳ 150Add to cart- Detection Range: 200 to 10000 ppm (Parts Per Million) for combustible gases and smoke.
- Operating Voltage: 5V DC.
- Preheat Time: 20 seconds for optimal performance.
- Sensitivity: Adjustable via onboard potentiometer for different gas concentrations.
- Output: Analog and digital signals for easy integration with microcontrollers like Arduino.
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NodeMCU ESP8266 OLED Display WiFi Board
Original price was: ৳ 1,250.৳ 750Current price is: ৳ 750.Add to cart- Microcontroller: ESP8266, featuring a Tensilica L106 32-bit processor with a clock speed of 80 MHz.
- Display: Integrated 0.96-inch OLED display with a resolution of 128×64 pixels.
- Connectivity: Built-in WiFi supporting 802.11 b/g/n standards, capable of Station, Access Point, and dual modes.
- Memory: 4MB Flash memory for code and data storage.
- Power Input: Operates at 3.3V, with a micro-USB port for power supply and programming
