It can sketch accurately, you just have to upload the gcode of the image. Try it it's just awesome.
Project tutorial by Yogeshmodi
A mini CNC 2D plotter made from old DVD drive and L293D motor shield. Very cheap but interesting. It can draw any image uploaded from PC.
Project showcase by Mrinnovative
This project shows you how to build a cheap and easy, but very small CNC(Plotter) using Arduino UNO.
Project tutorial by Zain Shahwar
"Otto DIY with steroids" + Bluetooth + APP + switch + touch sensors + strength + sound detection...
Project tutorial by Otto builders
Make a program for the Arduino Pro Mini in Visual Studio to control motor speed with PID which can archive it exactly.
Project tutorial by whitebank
A robo which follows an object of uniform color using Computer Vision.
Project showcase by Rohan Juneja
A Bluetooth-enabled RC Car that uses Remote Arduino to allow another Windows device to control it.
Project tutorial by Windows IoT
This project shows how to design a wi-fi remotely controlled two-wheeled robotic rover, using an Arduino Uno and an ESP8266.
Project tutorial by Igor Fonseca Albuquerque
A robotic hand that emulate the movement of your hand wirelessly through a glove with sensors.
Project showcase by Gabry295
"Rex, the Robot" will try finding how to scape from a "labyrinth" on the shortest and fastest way.
Project tutorial by MJRoBot
A mini CNC machine made out of cheap materials with a stunning result.
Project showcase by Mr-M
NodeMCU ESP8266 in access point mode: the simplest way to make Wi-Fi controlled Robot Car from Bluetooth Arduino Robot Car + Android App.
by Andriy Baranov
Line Follower Robot with PID control, using an Android device to easily setup the main control parameters for better and fast loop tuning.
Perform limited autonomous navigation and plot a 2D map of the environment.
Project in progress by Avirup Basu
Simple robot to build, involve no pcb or proto board, no frames, just using a lot of glues.
Project tutorial by Martedi
A Lego arachnid controlled by your smartphone.
Project showcase by JulienChateau
Create an Arduino 101 bot controlled by Johnny Five over Firmata BLE!
Project tutorial by 5 developers
On this sample I would like to explain why PID-control should be used for speed controls and how the direction can be inverted.
Project tutorial by tolgadurudogan
How to make an Arduino 4WD RC Car with Joystick Controller (Arduino Uno | Joystick Shield | nRF24L01+PA+LNA).
Project tutorial by Andriy Baranov
The making of a large 3D printer (400x400x400 mm) for a college project.
Project tutorial by Desi Engineer
What about using a Wi-Fi remote-controlled robot for exploring your surroundings, reaching inaccessible places, spying and take pictures?
Let's develop step by step a project for controlling and programming a robotic arm, simulating the basic functions of an industrial robot.
All my servos are a little bit different to each other - I've built a rig to measure what PWM values turn my servos to a specific angle.
Project tutorial by Jeremy Lindsay
Cool robot that follows black line. Learn and make a line follower robot with PID controller in 2 hours.
Project tutorial by Team KittenBot
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