Learn how to use the DHT11 temperature and humidity sensor with Arduino. We’ll go over DHT11 pins, connections to the Arduino, programming in Arduino, the required libraries, and testing.
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1602 LCD – Learn how to use with Arduino
Want to learn how to use a 1602 LCD with Arduino so you can use it in future projects? In this post we’ll go over…
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DS18B20 Temperature Sensor – How to use with Arduino
Learn how to use the DS18B20 temperature sensor with Arduino. We’ll go over connections to the Arduino, how to program the DS18B20 in Arduino, Arduino libraries, and testing.
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RTC DS3231 – How to use with Arduino
Learn how to use the DS3231 Real Time Clock (RTC) with Arduino. We will go over basics, wiring it to the Arduino, importing the library for Arduino, Arduino code, and testing.
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How to use the 2N2222 Transistor (NPN) (with examples)
Learn how to use the 2N2222 NPN transistor as a switch. We’ll go over an example to turn on a bright LED, first using a push button, and then with an Arduino.
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HC-SR501 PIR Sensor – Learn how to use with Arduino
Learn to use the HC-SR501 PIR Sensor with and without an Arduino. We’ll go over sensor basics, sensitivity and delay adjustments, sensor pins, how to wire, Arduino code, and testing.
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