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In this article, we will explain how to use the MIT APP INVENTOR using the example of the Car robot from a previous post in which we learned how to program and control a robot through Bluetooth.   The MIT APP INVENTOR is an easy-to-use cloud-based application that allows us to quickly develop an android application. We’ll use it to create a controller app for the robot. Go to the MIT App Inventor website and press “Create Apps!” to start our project :)   After naming the project, we are going to design the layout of our app. The designer gives...

In this article, we will show you how to program the robot car so it can be connected by Bluetooth and create an android application to control it using MIT App Inventor. Take a look at this previous post on how to build a robot car.   Parts Arduino Mega R3 CAROBOT Motor Driver and Servo Shield   Chassis Battery Jumper wires Soldering iron   Arduino IDE Have an Android device with you. We will use it later to control the car's action.   Wiring In addition to the pin set up for the Arduino from the previous post, we will use...

Tip Cleaning procedure using FS-100 Tip Cleaning Paste: Oxidized tip:  Re-tinned:  For optimum performance, use the FS-100 paste in conjunction with the Hakko FT-700 tip polisher for increased oxide removal. 1. The suitable temperature for cleaning is around 350℃. 2. Tin the tip with the chemical paste FS-100 (to remove oxides). 3. Wipe out the chemical paste FS-100 left on the tip with a cleaning sponge or cleaning wire. 4. Feed solder to the tip and see whether or not solder wets on it. 5. Repeat the above steps of 2 to 4 until solder wets on the tip surface. 6....

The Infrared Sensor Module (TCRT5000) is a Line Tracking Module. It is an infrared distance module most used for object and obstacle detection, and robot applications like a line following robot car, product line decoder and much more.   This article will talk about the pinout and wiring of the module operating with an Arduino Board. At the end of the tutorial, you will learn how to build a line decoder to detect objects.  Wiring  The infrared module operates at 3V to 5V DC and produces a digital output. There are two different types of infrared modules in the market where...

The CAROBOT Motor Shield allows you to easily control motor direction and speed using an Arduino. By allowing you to simply address Arduino pins, it makes it very simple to incorporate a motor into your project. It also allows you to be able to power a motor with a separate power supply of up to 12v. For all of these reasons, this motor shield is a popular device that is commonly used in projects, such as robot cars, and much more.    In this article, we will talk about the setup and operation of the CAROBOT Motor shield with Arduino. ...