Arduino

Official Arduino Discord - Discuss all things Arduino!

Join

Arduino

Official Arduino Discord - Discuss all things Arduino!

Join

hardware-help

coding-help

official-product-help

project-showcase

general-help

pcb-help

adafruit-help

official-product-help

robotics-help

sensors-help

coding-help

hardware-help

esp-help

pi-help

i2c-serial-help

vqoz

10/8/2025

Glorious Model O V2 Mouse Not Working with Arduino Leonardo

Hi everyone, I’m trying to get my Glorious Model O V2 mouse to work with an Arduino Leonardo using a USB Host Shield. I’ve tested the shield and my setup with an older, basic mouse, and it works fine the Arduino detects it and responds as expected. However, when I plug in the Model O V2, nothing happens. No connection sound, no response in the Arduino sketch, nothing. I’ve tried using the HIDUniversal and HIDMouseReportParser libraries, but the mouse still isn’t detected. Has anyone successfully connected a Model O V2 (or other high-end gaming mice) to an Arduino Leonardo? Are there any known compatibility issues or workarounds?...

DaDev

10/7/2025

Server Resorces And help

If you have been sent here there is most likely a point that you need help with. Enjoy

alexsbmagalhaes

10/5/2025

Essential tools to buy

Guys, I'm about to buy some tools for soldering and measuring, and I'd like your opinion, because I'm tired of buying cheap cr@p that lasts 1 week. My budget is limited, so I cant keep buying "slightly better versions" just to see if they will work. I'm asking you guys to suggest (if its not against server rules) the tools you like the most, like rework station, solder suction, aligator clips, ceramic tweezers, multimeter probes, power sources, banana plugs/wirings... etc....

ayshan

10/5/2025

Help

Hi everyone! Could someone help me draw a correct schematic for the circuit in my photo? Goal / Logic • Inputs: A and B are push buttons (2 legs each). • Output: LED X should be ON when (A is pressed) OR (B is NOT pressed)....

ShutBaton

10/4/2025

Help connecting XIAO to micro SD card

Hi! Could I have some help? I've never used SD/micro SD cards in Arduino and it isn't going very well....

Tom

10/4/2025

Arduino Serial Communication to Analog Way Tetra Vio (TVC401)

I am trying to communicate with a TVC401 device via its built in serial protocol. The commands are simple, like "0RA", "1RA", etc. Commands are sent upon receiving IR signals, from a universal remote. I've tested the remote and basic serial functionality (RS232, 9600 baud, 8N1, straight DTE/DCE interface) of the microcontroller with a USB serial adapter. I've also tested the functionality of the TVC401 with the same USB serial adapter. I asked this question in general help before, but I only had an ATTiny85 to test with. I've tested with the following configurations. 1. ATTiny85 "TinySoftwareSerial", the default Serial implementation in ATTinyCore. - Nothing. 2. Arduino Uno Rev3 board, Hardware Serial to the TVC401 and Software Serial for Debugging....

Y57305

10/3/2025

Windows error (Unknown USB Device needs more power than the port can supply) arduino nano every

I was soldering the pin headers to my arduino nano every, but when I was doing the gnd pin that is closer to the middle of the board (not the gnd on the otherside that is closer to the edge), I put solder on the tiny part that is infront of the gnd pin. I believe that is the issue and is there any way I could fix this? Sorry if this is not detailed enough, I am new to arduino and especially soldering.

SmokeRock

10/3/2025

Troubleshooting - brownout?

Hi all, I'm very green when it comes to arduino applications and processes. I have an application at work that takes input from a PLC via an on and off signal. When both the temperature high and temperature low signal are off, our arduino seems to detect the oven is at the correct temperature. When the low signal is given, the oven is under temperature etc. The oven low comes via digital pins and over temp via analogue. The design is that of my predecessor who breathed these things and left no notes....

tmgn.

10/2/2025

problem with ulpoading sketch on arduino

im tryng to upload a sketch on my arduino nano every but when i uploud it give me this error: avrdude: jtagmkII_initialize(): Cannot locate "flash" and "boot" memories in description how i can solve this?...

Mårran

10/2/2025

Dead Arduino Mega?

hi i found a arduino mega and after powering on it seems to work but not quite... there is no communication, the usb chip is desoldered and it looks like it has a blink code in it. but the build-in led is like more of the time on than off, the duty cycle isnt 50%. i should mention that it came from a 3d printer, using thermal camera i can see that the chip is heating evenly to 40*C. Should i try to revive it or just buy a new 2560 and swap them? (i can solder SMD) Is there a way to check if the chip is in boot-loop or just broken? Im a newbie so please forgive me for my lack of knowledge....

Mercury

10/1/2025

how to power 4 dc motors and esp32-s3-wroom-1u at the same time

so i made the 4wd rc car, and i need to power both motors and the esp32 and was wondering if it would be smart to power the esp32 with same battery (8 AAs) that powers the dc motors and use a bus converter to lower it to 3.3v for the esp32

hendr1x

9/30/2025

Do I need to add/use protection (diode) with mosfet module?

Hello, I am using the mosfet module in the picture. Everything is wired and working properly. However I am unsure what protection I need to add to the system. I am triggering the mosfet with an Arduino Uno R4, I believe the LED provides the protection needed on that side of things. On the high power side I have a 12v solenoid, It is currently just wired straight. Do I need to add a diode somewhere here? Or perhaps there is something else I need to do?

. . . AARAV . . .

9/30/2025

L298N motor driver help (@star and me)

禮生

9/29/2025

esp32-s3 help

@AARAVmakes

1st

9/28/2025

Transistor

So i make a projects that use a battery and a motor i want to control motor with the transistor like on and off(because i don't have l283d sadly) but 5v from the arduino couldn't power the transistor enough so is there anything i can do to fix this?

the other guy

9/25/2025

Rechargeable Battery Pack

I'm having trouble finding a 6V, rechargeable power bank with a male barrel jack output. Preferably, it would have 10k+ mAh. Any help would be greatly appreciated.

Padogee

9/25/2025

NEMA 17 stepper motor help

Hello, when I turn the power on for my nema 17 stepper motor with a A4988 driver, it just does like one or 2 big steps, then stops and kind of squeals, getting quieter and quieter. I followed this tutorial so I have the same wiring(except for coils which I did myself so they’re correct) and code as the first example in the video : https://youtu.be/wcLeXXATCR4?si=PTPUoKzs47RR--uc. here is the code: const int dirPin = 2; // direction pin const int stepPin = 3; // step pin ...

1st

9/24/2025

Battery

just trying to copy this post but as you see comment says that the battery not gonna survive long so is there any recommendation for the battery i should use?

. . . AARAV . . .

9/24/2025

BB940 IR sensor help

I uploaded an code to my sensor (that I fried and cooked earlier) I'm just trying to see if it works. I uploaded an test script

Ocean

9/21/2025

Buying USB C parts to use with Arduino Nano Clone

Hey all! I am purchasing components to use with a Nano clone I buy frequently (LGT8F328P), as it only has a built in micro USB. I am looking to add USB C power and data communication. The cable should be able to plug in either way. From where my research lead me, I should use a 16 pin female USB C connector with 5.1K resistors and wire that in to the Nano to do this. To my understanding these connectors are usually 12v, so I would need a 12v -> 5v buck converter in the mix to get the proper voltage for the Nano (I think?)....

Previous Next

Gaming

Programming

Arduino

Official Arduino Discord - Discuss all things Arduino!

Arduino

Official Arduino Discord - Discuss all things Arduino!