Arduino sensors and switches9/24/2023 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 Below is a detailed introduction to component identification and kit assembly.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. You will need tools such as a soldering iron, solder, wire cutters, etc. This kit does not include the tools you will need to assemble the circuit. You will get a schematic and all of the parts to assemble a working unit. The default value is one Tilt Switch and one Relay There are several available combinations, such as the number of Tilt Switches and the number of Relays. This is one of the first practical applications for Arduino that you will find. This kit is now offered with a "Built & Tested" option for those that do not want to build it themselves. Have them alternate back and forth for a nice effect. You can now control many different 120 VAC devices, such as your Christmas lights, sprinkler system, garage door, etc with the program you write using your Arduino UNO. The 2-position Dip Switches are available as extra inputs to be used in your program. This means that the circuit can either turn devices ON for a set time period or turn those devices OFF for a set time period. The available contacts are the Common (COM), NO (Normally Open) and NC (Normally Closed). Each set of Relay contacts are available at a dedicated 3-pin screw terminal. The Relay is an 833H series SPDT relay with Form 1C contacts rated for 7 Amps 250VAC. The required external 12vdc power supply is not included. They do not need to be connected to the computer once it is programmed. This means you can write your program, load it into the Arduino, and then relocate both units to anywhere that you need. This 12vdc is also connected to the Arduino VIN input so that both units can be powered by the 12vdc coming in. There is a 2-pin screw terminal for an external 12vdc to power the relays. The Relay is controlled by the Arduino Digital outputs and the DIP Switches are connected to the Digital Inputs. Your Arduino program will read this digital input and then do whatever you decide to do, such as turn on a relay to control a device. The digital input is connected to one of the Arduino Digital Inputs. The Tilt Switch is a mechanical Rolling-Ball Tilt Switch and will be on when the angle exceeds 30 degrees from horizontal. This Shield Kit will plug directly on top of your Arduino UNO. It consists of an Arduino-compatible Shield with a Tilt Switch, one 12v Relay, and a two-position Dip Switch. This is the Arduino-Compatible Relay Shield with Tilt Switch Kit.
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