Arduino usb mouse code Every time you move the mouse, 4 bytes are sent to the Arduino Nano. Arduino IDE 1. press(button) Parameters button : which mouse button to press. Upload an Arduino sketch as usual. ino" sketch to the Arduino Leonardo. In terms of attaching a USB port, what I did was to get a cheap USB extension cable, cut it in half, and crimp female header pins to it to plug into the board expansion headers (though watch out, the color code in cheap USB cables is usually completely Mar 23, 2023 · Summary of Arduino Keyboard and Mouse Control Code This project demonstrates using Arduino Leonardo with Mouse and Keyboard libraries to control the computer cursor via five momentary pushbuttons. Copy the python sketch in a notepad file. Nov 29, 2023 · With this, it is easy to use the Arduino's builtin serial interface to receive the PS/2 data from the mouse. Apr 28, 2022 · Creating a virtual mouse jiggler by using a small Arduino plugged into the USB port to keep your computer awake by simulating occasional mouse movements. Connect the USB Host Shield to the Arduino Leonardo. Oct 2, 2024 · NB: When you use the Mouse and Keyboard library functions, the Arduino takes over your computer's cursor! To ensure you don't lose control of your computer while running a sketch with this function, make sure to set up a controller before you call Mouse. 1. It can interface game controllers with Arduino like PS4, Xbox360, and Nintendo Wii. h> 2 3 Nov 15, 2023 · As I mentioned in the other thread: I was curious about how hard it would be to support some different USB Objects like Mouse and Keyboards using the Arduino_USBHostMbed5 library. For ex : I have analog inputs as X and Y axises , and 2 buttons for right and left buttons . There is some support in the library USBHostGIGA. Sep 28, 2023 · Emulate a USB mouse on Arduino It is a relatively simple task that requires the use of an Arduino compatible with the HID (Human Interface Device) function. Open the sample code (click on File -> USB_Host_Shield -> HID-> USBHID_desc), and uoload the code to Arduino: 4. 0 Mouse to the USB Host Shield. It will indeed be challenging integrating the firmware - while a lot more capable, the examples also are far less turn-key than Arduino code. This instructable explains how to connect a USB mouse to an Arduino UNO R3 microcontroller with the aid of an Arduino USB Host Shield. Arduino Leonard Using the Mouse library, you can control a computer's onscreen cursor with an Arduino Leonardo, Micro, or Due. ino sketch to the Arduino Leonardo. Copy the source code into it and download it into the arduino nano. Once a mouse device and endpoint are found, the code will try to read data from them in the main loop. This guide covers the steps necessary to use a USB keyboard Jul 9, 2025 · Hello, I have a USB Host Shield and an Arduino Leonardo R3. HID mouse emulation by host shield. You'd be amazed at how many auctions you can win doing that! Oct 11, 2024 · a usb host shield Is that unknown shield compatible with the controller? Anya datasheet link? Please post the code. Pre-installed Libraries As I mentioned the mouse and keyboard libraries come pre-installed with the Arduino. What is Arduino Mouse. May 15, 2024 · Before using Mouse. Contribute to SunOner/HID_Arduino development by creating an account on GitHub. A user-friendly implementation of Obdev's V-USB driver, for Arduino UNO R3 and other boards based on ATmega328P Jan 5, 2022 · By default, this device will appear as an Arduino Leonardo (usually) with the USB Product ID, Vendor ID, Name and Description to match. Unplug the Arduino USB cable; wait 1-2 seconds; and plug it back in) Flash firmware with your own sketch using Arduino IDE (eg. Open the Arduino Serial Monitor and select a baud rate of 115200. Once it reads data from the mouse, it will print any buttons that are pressed along with In this video, I'll describe how to use an Arduino (or ESP8266 / ESP32 / other microprocessor) as a USB Host, allowing you to use any USB HID device such as a keyboard, mouse, trackball, joystick Feb 3, 2025 · Beyond the sheer fun of watching your mouse go wild, this project demonstrates some important programming concepts: Working with libraries: The code effectively utilizes the Arduino Mouse library to control the computer’s cursor. Dec 4, 2022 · The movement of the mouse’s left button and right button vents are detected by Arduino and prompted on Arduino IDE’s Serial Monitor. g. MOUSE_LEFT (default) MOUSE_RIGHT MOUSE_MIDDLE Returns Nothing Example Code 1 #include <Mouse. * Also uses serial protocol to talk back to the host * and report what it finds. Enums and structs: These data structures help organize the code and make it more readable and maintainable. 13 Arduino Leonardo USB Host Shield (w/ USB Host Shield Library 2. I programmed one to automatically bid pennies on tens of thousands of eBay auctions in order to increase my feedback score. I have a version that is Feb 14, 2025 · Thread Tools Undetected Mouse Movement Using Arduino + USB Host Shield, No COM port! May 15, 2024 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products. like right and left clicks and it's coordination on X and Y axis . There are 2 type of supported cores: with and without built-in support for TinyUSB. May 8, 2025 · Arduino Mouse Passthrough This project creates a USB host-to-device mouse passthrough using an Arduino board (Leonardo/Micro/Pro Micro). move (). You may want to try using lower resistance pull-ups, I found 2. It allows connecting a USB mouse to the Arduino, which then appears as a separate HID device to the computer, passing through all movements and button presses. Oct 24, 2025 · The mouse functions enable 32u4 or SAMD micro based boards to control cursor movement on a connected computer through their micro’s native USB port. However, this sketch controls the mouse as you desire) Plug cycle the Feb 12, 2012 · Found a standard mouse. After ensuring that mouse and pyserial is installed on your computer/laptop perform the following steps. Connect the G502 mouse to the USB Host Shield. Cursor movement from the Arduino is always relative. Nov 20, 2024 · The mouse functions enable 32u4 or SAMD micro based boards to control cursor movement on a connected computer through their micro’s native USB port. Every thirty seconds the mouse will jiggle. This video shows how to connect a PS/2 mouse or a PS/2 compatible USB mouse to an Arduino UNO or Nano. It enables the Due to emulate a USB mouse or keyboard to an attached computer. begin()": 'Mouse' only supported on the Arduino Leonardo. Jan 30, 2014 · Flash Arduino-usbserial-uno. The code presented in this project can be reused and expanded to build any other application using a USB mouse as an input device. When I test with the library below, everything works fine. Hardware Required Arduino Leonardo, Micro or Due Learn how Arduino controls mouse UnknownCheats with this step-by-step guide! Discover components, connections, innovative applications. release() command, the Arduino takes over your mouse! Make sure you have control before you use the command. I am assuming you cannot use both of these libraries within a single sketch. Aims to be compatible with official Arduino Mouse and Keyboard libraries. This sketch only updates the cursor position when a button is pressed. This can be extended to any Arduino board (e. Please watch the video if you want to know more details. Connect the Generic USB 2. A mouse allows you to control objects by detecting mouse-movement and mouse-button presses. Here is some background on my current project. Let's make that slightly better. h and Keyboard. It can connect digital cameras and mass storage devices like pen drives, external hard disks, or memory card readers with Arduino. Dec 16, 2024 · Home / Hardware / GIGA R1 WiFi / Guide to Arduino GIGA USB Features Guide to Arduino GIGA USB Features Learn how you can turn your USB device into a mouse or keyboard, how to read & write to a USB mass storage, and connecting a keyboard via the USB-A connector. It also introduces an easy to use mouse library. Open the serial port monitor (baud rate: 115200), move the mouse, you can see the serial output coordinate information and key events: This library is a Arduino-friendly version of TinyUSB stack. How to Use Connect the USB Host Shield to the Arduino Leonardo. This feature can be used to create game controllers, keyboard extensions or other HID devices. Mouse. wait for the code to completely uploaded and finish, and if everything went well it should work, you should be able to use the mouse on your pc. Writing my code there is the errore about the "Mouse. Built-in support provide seamless integration but requires extra code Oct 7, 2025 · In this tutorial you will learn how to emulate a mouse/keyboard using an Arduino UNO R4 Minima board with the Keyboard and Mouse APIs. How To Turn An Arduino Into A USB Keyboard Or Mouse! | ATMega32U4 Forget WiFi! This Wireless Method is WAY Better? (ESP-NOW) When Carjackers Mess With The Wrong Car | Dashcam Instant Karma #2 Oct 2, 2024 · Mouse. May 13, 2020 · Arduino provides Mouse. Jun 15, 2020 · ATtiny85 Digistump mouse jiggler Here we were able to acquire an inexpensive USB AVR board (ATtiny85), install Arduino IDE to Windows, add some AVR board drivers, write a very simple mouse jiggler script, modify the USB “manufacturer”, and upload the code to the ATtiny85 Digistump. But with my custom code, it stays off—even when I move or click the mouse. Using a USB keyboard with a microcontroller requires a more deliberate effort to find and connect to the device, and then read and interpret data that it sends. The mouse functions enable 32u4 or SAMD micro based boards to control cursor movement on a connected computer through their micro's native USB port. However, I have a custom code that, when uploaded to the Oct 2, 2024 · NB: When you use the Mouse and Keyboard library functions, the Arduino takes over your computer's cursor! To ensure you don't lose control of your computer while running a sketch with this function, make sure to set up a controller before you call Mouse. I would like to send all information from arduino to PC and work properly . Sep 12, 2025 · To read data from the mouse, the code must first scan the connected devices and find one with a boot mouse endpoint. Two analog inputs ranging from 0 Oct 26, 2021 · Testing the Mouse on an Arduino I made some videos a while back which showed you how to connect an SPI LCD display to your Arduino. Oct 18, 2022 · The shield can connect HID devices to Arduino, like a USB keyboard, USB Mouse and USB Joystick. Some examples include the Arduino Leonardo, Arduino Micro, and Arduino Due. After loading the code, connect 9VDC power and USB mouse : 5. ADK-capable Apr 25, 2025 · USB Keyboards are things that we often take for granted while working on devices with a full OS with support for them like Linux on a Raspberry Pi, or Mac / Windows on a PC. Aug 18, 2013 · I have an ARDUINO-UNO and I would like to use it for controlling the mouse. 2k ohms works well. press() Mouse. May 6, 2025 · Using a USB mouse with a microcontroller requires a more deliberate effort to find and connect to the device, and then read and interpret data that it sends. When updating the cursor position, it is always relative to the cursor’s previous location. This guide covers the steps necessary to use a USB Mouse with CircuitPython and Arduino. Nov 13, 2016 · Start arduino and open a new sketch. Boards that use TinyUSB and BLE HID have a powerful API for controlling such actions but it's a bit complicated to use. Move the mouse around and click the buttons to see the output on the Serial Monitor. Power On: Power on your Arduino with a battery or USB cable. This particular example uses a pushbutton to turn on and off mouse control with a joystick. When you plug it in your computer is going to recognize the board like a mouse, keyboard, or something that acts as an input device. Syntax Mouse. Specify the correct COM port of the arduino. */ /* * Pin 5 These types of boards allow the Arduino to act as a native USB device. The Circuit Here are two pictures that show how to wire a mouse with PS/2 connector and a PS/2 compatible USB mouse to the Arduino Nano or UNO. . In the Arduino IDE, open the serial monitor and start clicking and moving your mouse to see the input! Arduino Due Ports Troubleshoot If the code is not working, there are some common issues we can troubleshoot: You We learn to use the HID functions of the Atmega 32u4 and SAMD processors to emulate a keyboard or mouse with an Arduino connected via USB. Upload the "hidmousepassthrough. 0 installed, 5V & 3V,5V GRD soldered) Mouse with 2 side buttons (Razer Deathadder Jun 14, 2024 · ## Tutorial: Fully Disable COM Port and Use HID Mouse ### Requirements: - Brain - Arduino Leonardo - USB Host Shield - Notepad++ - Backup system resto Mar 21, 2014 · 3. Upload the USBHostShieldMouse. h libraries for controlling mouse and keyboard but they only work on boards that use the Arduino USB stack. Oct 16, 2024 · Mouse connected with Arduino USB Host Shield is not working on my other PC Hello Arduino Community! I've encountered issues with the Arduino USB Host Shield's communication with my PC. Hardware Required Arduino Leonardo, Micro or Due Notes and Warnings When you use the Mouse. Examples for programming an Arduino to be a mouse, keyboard, or other Human Interface Device - tigoe/hid-examples May 27, 2012 · ProjectsProgramming system May 26, 2012, 2:10pm 1 hi , I'm interested in how replace USB mouse with arduino and inherit all mouse abilities . You ca Jul 9, 2022 · Which Arduino would you suggest? (with USB power, Bluetooth and reasonable low latency for the real-time processing as described above) How do I make it being recognized as standard USB mouse and send signals to it? Usb 3D Mouse Using Arduino and Mpu6050 Accelerometer #programming #arduino #arduinotutorial Kitflix 7. MarkT May 26, 2012 May 15, 2024 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products. In this Programming Electronics Academy lesson, we talk about using the Arduino Mouse library! This is a really helpful way to automate mouse functions by using the Arduino USB libraries and programming them to your Arduino board! Jul 17, 2024 · Testing It Out After you have uploaded the code, plug your mouse into the Native USB port on the Due. So every time the analog input is read, the cursor's position is updated relative to its current position. Hardware Required Arduino Leonardo, Micro or Due Mar 8, 2016 · Allows an Arduino/Genuino board with USB capabilites to act as a Mouse. Oct 26, 2025 · Learn about the Arduino USBHost library for interfacing USB devices with Arduino boards, including setup, usage, and troubleshooting tips. A pushbutton to toggle the mouse control state is effective. begin (). 8. txt in Arduino Playground - Ps2mouse and modified it to accommodate for Intellimouse vertical wheel (scroll) /* Modified mouse initialization to accomondate for * Intellimouse vertical wheel (scroll) * by DGar 02/05/2014 */ /* * an arduino sketch to interface with a ps/2 mouse. This means that you will need an Arduino board that can act as an input device from the computer's point of view. 98K subscribers Subscribe Apr 28, 2024 · In the Keyboard and Mouse library pages it says the Nano ESP32 supports these libraries. Allowed data types: char . support USBLS (low speed) devices within Arduino_USBHostMbed5. Two analog inputs ranging from 0 How To Turn An Arduino Into A USB Keyboard Or Mouse! | ATMega32U4 Simple Electronics 33. Do you know if there is a way to use with Arduino Uno this set of mouse controlling functionalities? thanks, Final Execution Upload the arduino sketch (given below) to your arduino UNO and connect the joystick to the arduino pins as given in the schematic. 6K subscribers Subscribed Feb 21, 2008 · So I am also surprised that the USB to PS2 converter didn't work (although I haven't connected mine that way). Once the code is downloaded successfully, start serial monitor on your PC with baud rate set to 115200 and observe the pattern of 4 bytes that are being received. Connecting an SPI TFT Touchscreen to Your Arduino For this first test I’ll put together some code which uses the LCD screen to display a mouse cursor which we can then control with our new mouse driver software. Components required Arduino UNO/Arduino Mega x1 Arduino USB Host Shield x1 USB How to use Mouse with Arduino. Even Bluetooth dongles can be connected to Arduino via a USB host shield. So anything you can do manually with your keyboard or mouse the Arduino can do. Learn Mouse example code, reference, definition. Each button moves the mouse cursor in a specific direction and triggers a keypress on the computer. I have tried a number of different USB optical mice through a USB socket salvaged from a discarded USB hub wired into my Arduino and it works great. Jan 29, 2018 · The Arduino just acts as a generic keyboard or mouse. Dec 20, 2024 · Upload the Code: Open the Arduino IDE, paste the code, select the appropriate board and port, then upload. move() command, the Arduino takes over your computer's cursor! To insure you don't lose control of your computer while running a sketch with this function, make sure to set up a controller before you call Mouse. Oct 2, 2024 · Using the Mouse library, you can control a computer's onscreen cursor with an Arduino Leonardo, Micro, or Due. press() , you need to start communication with Mouse. All the components are working properly—there are no soldering or other hardware issues. May 15, 2024 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products. If no data is sent, it will timeout and simply keep trying again until data is present. Oct 2, 2024 · Mouse. press() defaults to a left button press. With the library, the orange LED is always on. It is designed with structure and APIs that are easily integrated to an Arduino Core. The device will still be an HID Gadget which isn't quite just a simple mouse, but it's better than it was - at least the vendor info and descriptions will be "correct". ino bootloader with dfu-programmer (erase/flash/reset) Plug cycle the Arduino (eg. scff qadzsc ypp sftkcd mwkrpauq lhf itcwool hjb tpsi qktvft umkmq odi kbiptz vcefoub akb