Arduino sensors pdf1/16/2024 ![]() ![]() I “grew up” in a world of Basic, Fortran, Assembly, Cobal C (and it’s variants) were not yet heard of. For me, using the Arduino IDE was the easiest way to explore the inter-workings of the Atmel family of microcontrolers. Each has their own characteristics to be learned. When I discovered Arduino it was my introduction into the world of the many microprocessors out there. ![]() I can and do understand the frustrations of picking up new technology. Here’s a list with 21 Arduino Modules You Can Buy For Less Than $2Īs A M Morawala, I am an “old timer” too. Share this post with a friend that also likes electronics. You can read all my tutorials on this page. The most common sizes are 3×4 and 4×4 and you can get keypads with words, letters and numbers written on the keys ĭo you know how to use all these modules? Are you thinking about using one of the modules listed above in your next project? They come in wide variety of shapes and sizes. The information in this guide also works with other similar LED strips, such as strips of the WS28XX family, Neopixel strip and others Ī keypad allows you to interact with a microcontroller. The WS2812B LED strip is an addressable RGB LED strip. The dot matrix that we’re going to use in this guide is an 8×8 matrix which means that it has 8 columns and 8 rows, so it contains a total of 64 LEDs ![]() That OLED display is monochrome (white color), but there are other models with several colors It is made of 128 by 64 individual OLED pixels and no backlight is required. It is a very small display, the screen has 25mm x 14mm (0.98in x 0.55in). The 433MHz is used on a wide variety of applications that require wireless control These RF modules are very popular among the Arduino tinkerers. They are transceivers which this means that each module can transmit and receive data The nRF24L01 is used on a wide variety of applications that require wireless control. It means that it can be turned on or off, letting the current go through or not RFID is useful to identify people, to make transactions Ī relay is an electrically operated switch of mains voltage. RFID uses electromagnetic fields to transfer data over short distances. ![]() RFID means radio-frequency identification. It gives a measurement of how loud a sound is Ī magnetic contact switch is basically a reed switch encased in a plastic shell so that you can easily apply them in a door, a window or a drawer to detect if the door is open or closed The microphone sound sensor, as the name says, detects sound. This guide shows how to use the microphone sound sensor with the Arduino. Using a tilt sensor is a simple way to detect orientation or inclination The tilt sensor is many times referred to as inclinometer, tilt switch or rolling ball sensor. It is ideal to detect if a human has moved in or out of the sensor range So, it can detect motion based on changes in infrared light in the environment. Basically, the PIR motion sensor measures infrared light from objects in its field of view. The PIR motion sensor is ideal to detect movement. It comes complete with ultrasonic transmitter and receiver module It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats do. This guide shows how to build a smoke detector that beeps when it detects flammable gas or smoke. You can also follow this guide for other similar modules like the DS3231 RTC This post is about how to use the DS1307 Real Time Clock (RTC) module with the Arduino. It communicates on common bus, which means that you can connect several devices and read their values using just one digital pin of the Arduino Ħ. This means that you can read the temperature with a very simple circuit setup. The DS18B20 temperature sensor is a 1-wire digital temperature sensor. So, it is perfect to build an automatic watering system or to monitor the soil moisture of your plants The soil moisture sensor or the hygrometer is usually used to detect the humidity of the soil. The rain sensor is used to detect water and it can detect beyond what a humidity sensor can. It is also applicable for other similar barometric sensors This guide shows how to use the BMP180 barometric sensor with the Arduino. The DHT sensors are relative cheap sensors for measuring temperature and humidity These DHTXX sensors are very popular among the Arduino Tinkerers. DHT11/DHT22 Humidity and Temperature Sensor The Arduino community has created a wide variety of modules and sensors that can enhance your projects. Here’s the ultimate collection of 20 free guides for Arduino Modules and Sensors that can help you get started with them. ![]()
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