arduino uno
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RS-485 MODBUS Serial Communication with Arduino as Master In the previous tutorial we learned about Modbus RS-485 Serial Communication with Arduino as Slave. In continuation with that article today Arduino will be used MODBUS Master and communicate with MODBUS slave. Here MODBUS Slave Software installed computer will be used as MODBUS Master. So, let’s begin by a short introduction about the RS-485 and Modbus. … |
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How to Use HM-10 BLE Module with Arduino to Control an LED using Android App Bluetooth is one of the most popular and easy to use wireless technology. Over the few years there have been many upgrades of Bluetooth standard to keep pace with the current ongoing technology with future technology and to satisfy needs of users. Starting from the Bluetooth version 1.0 to Bluetooth version 5.0, there are many things changed including higher data rates, the… |
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DIY Arduino Based Color Sorter Machine using TCS3200 Color Sensor As the name suggests, color sorting is simply to sort the things according to their color. It can be easily done by seeing it but when there are too many things to be sorted and it is a repetitive task then automatic color sorting machines are very useful. These machines have color sensor to sense the color of any objects and after detecting the color servo motor grab… |
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IoT Based Biometric Attendance system using Arduino and Thingsboard Few years back if you were to tell someone that the Geyser and bedroom lights in your home are connected to internet, they would be baffled and might even criticize it as over-engineered products. But today with the advent of IoT, Smart cities etc the idea no longer sounds strange, we have devices around us that have become smarter by being able to communicate with the… |
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Programming Arduino using Platform IO Development in Arduino and Arduino IDE has always been easy and fun with their simple user interface. The Arduino IDE is open-source and free to use Development Environment with all features like write, compile and upload the code to Arduino Boards. It is based on Java and runs on major OS like Windows, OS X and Linux. But with all its simplicity and large community, it… |
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Arduino Multitasking Tutorial - How to use millis() in Arduino Code The multitasking has led the computers to a revolution where one or more programs can run simultaneously which increases efficiency, flexibility, adaptability and productivity. In embedded systems, microcontrollers can also handle Multitasking and performs two or more tasks simultaneously without halting the current instructions. Here in this … |
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Node.js with Arduino: Controlling Brightness of LED through Web Interface We have seen numerous examples of Blinking an LED using different Microcontrollers and different programming languages. Today, we will use a very popular JavaScript framework Node.js to control the LED connected to Arduino Uno. We will also use Node.js to control the brightness of LED from a webpage using Arduino. By few tweaks and using ESP8266, this can be converted… |
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RS-485 MODBUS Serial Communication using Arduino UNO as Slave Modbus is a Serial Communication protocol which was discovered by Modicon in 1979 and it is used for transmitting data over serial lines between the industrial electronic devices. RS-485 Modbus uses RS-485 for transmission lines. It should be noted that Modbus is a software protocol and not a hardware protocol. It is divided into two parts such as Modbus Master and Modbus… |
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Interfacing Vibration Sensor Module with Arduino There are several critical machines or expensive equipment which suffer damage due to vibrations. In such a case, a vibration sensor is required to find out whether the machine or equipment is producing vibrations or not. Identifying the object which is continuously vibrating is not a tricky job if the proper sensor is used to detect the vibration. There are several types of… |
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Serial Communication Between STM32F103C8 and Arduino UNO using RS-485 The communication protocols are the integral part of a digital electronics and embedded system. Wherever there is interfacing of multiple microcontroller and peripherals, the communication protocol has to be used in order to exchange bunch of data. There are many types of serial communication protocol available. The RS485 is one of the serial communication protocol and is… |
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Arduino 7 Segment Display Clock by Multiplexing Four 7 Segment Displays Digital wall Clocks are getting more popular now days and they are better than analog clock as it provides accurate time in hours, minutes and seconds and its easy to read the values. Some digital clocks also have many facilities like displaying temperature, humidity, setting multiple alarms etc. Most of the digital clocks use seven segment display. … |
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Control Home Lights with Touch using TTP223 Touch Sensor and Arduino UNO In some applications, user input is required to control the functions of a device. There are different kinds of user input methods used in the embedded and digital electronics. The touch sensor is one of them. Touch sensor is an important and widely used input device to interface with a microcontroller and it has made inputting data simpler. There are individual places where… |
