Using MH-Z19B CO2 Sensor, DHT22, OLED Display, and ESP32 with Arduino This project combines the MH-Z19B CO2 sensor, DHT22 temperature and humidity sensor, and an OLED display with the ESP32 to measure ...
The MH-Z19B NDIR CO2 sensor should be preheat for 3 minutes to be stable. Start Arduino Uno R3 along with MH-Z19B NDIR CO2 sensorn to collect data (ppm) The first 2 or 3 data from MH-Z19B CO2 are not ...
An infrared proximity sensor, or IR Sensor, is an electronic device that emits infrared light to detect objects and motion in Arduino projects. This interfacing of the IR sensor module with Arduino is ...
Here is the schematic diagram of a Human-following robot circuit. This design incorporates three ultrasonic sensors, allowing distance measurements in three directions front, right, and left. These ...
The [Libelium] team wanted to help people in Japan measure radiation in their surroundings following the nuclear accident in Fukushima. Because of the affordability and seeming ubiquity of the Arduino ...
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