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Understanding Temperature & Humidity SensorsThe DHT11 and DHT22 are the most popular temperature and humidity…
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Understanding Temperature & Humidity SensorsThe DHT11 and DHT22 are the most popular temperature and humidity sensors in…
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Understanding Temperature & Humidity SensorsThe DHT11 and DHT22 are the most popular temperature and humidity sensors in the maker community. While the…
What is the ESP32?The ESP32 Development Board is a low-cost, low-power system-on-a-chip microcontroller with integrated Wi-Fi and dual-mode Bluetooth. Created by Espressif…
Understanding the ESP32 PinoutThe standard 30-pin ESP32 Development Board is incredibly powerful, but its pinout can be confusing for beginners because many…
IntroductionThe ESP8266 NodeMCU is one of the most popular Wi-Fi microcontrollers ever made. In this tutorial, we build a web server hosted…
IntroductionThe ESP32 draws ~240mA at full speed — draining a battery in hours. Deep Sleep drops this to as low as 10…
IntroductionThe Raspberry Pi Pico W packs a dual-core RP2040 processor with built-in Wi-Fi for under $6. In this getting started guide, we…
IntroductionThe HC-SR04 uses sound waves to measure distance, exactly like a bat. It is one of the most useful and affordable sensors…