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Connection: 2-pin terminal (Positive & Negative)
You can use AT command set the baud rate
Soldering Wire: 20/22 AWG soldering Wire with rosin core flux (100 Grams)
It finds uses in Alarm application in case of CO gas concentration build-up in the home or your car as CO is a very harmful gas and can kill a person if present over 300PPM
The Arduino Nano IO Shield V1
HTU21D Temperature and Humidity Sensor Module Perf board Connection: 2-pin terminal (Positive &The HTU21D is a high precision digital temperature and humidity sensor module that provides accurate environmental measurements with low power consumption. It features a capacitive humidity sensor and a band gap temperature sensor, making it ideal for weather monitoring, industrial automation, HVAC systems, and IoT applications. The sensor communicates via an I2C interface, ensuring easy integration with microcontrollers like Arduino, ESP8266, and
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