Unanswered Questions
188 questions with no upvoted or accepted answers
4
votes
0
answers
175
views
Can d2xx connect to an arduino mega 250?
I am trying to replace a device which used a FTDI chip (http://www.ftdichip.com/Drivers/D2XX.htm) to get USB to serial. I need some more code on the chip, so I want to use an arduino mega 2560 instead....
- 41
3
votes
1
answer
151
views
Arduino R3 Uno Clone - When barrel plug connected there is 5V on USB. Why?
I have been using Arudino Megas for some projects and never had this problem.
Simply enough - I am powering arduino with 12V in via barrel and take power out via VIN to 12V low very low current small ...
CommunityBot
- 1
3
votes
0
answers
713
views
Getting atsam3x8e (Arduino Due) to work
I decided to make a pcb based on the atsam3x8e (microcontroller used in Arduino Due). For the design I copied most of the layout that I found on this site and looked at the official Arduino Due ...
3
votes
0
answers
1k
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TRIAC Pulse driver for Spot Welder (help needed with programming)
I have designed and built a transformer driver board for my spot welder. It is powered from mains electricity (230 V) and consists of the following segments: triac drive and protection, zero cross ...
- 31
3
votes
0
answers
400
views
Software flashing attiny167 from RPi with avrdude
I am trying to flash a program onto an attiny167
(already bootloaded with the micronucleus bootloader)
with a Raspberry Pi via avrdude and USB.
Background
I have 50 Raspberry Pi 3B's connected to an ...
CommunityBot
- 1
3
votes
0
answers
328
views
Arduino IDE programs Leonardo but cannot open serial terminal
I'm using Arduino: 1.6.7 (Mac OS X 10.11.3), Board: "Arduino Leonardo".
When I try to program my code, it works without problems.
When I want to open the built-in Serial Monitor or Serial Plotter, ...
- 2,522
3
votes
0
answers
2k
views
Using USB on a Leonardo to receive data from PC
I am new to the Leonardo, having only used a duemilanove before, and I am interested in using it's USB capabilities for a project.
Basically I need it to be an input and output device, communicating ...
- 131
3
votes
0
answers
195
views
9v adapter burned out Leonardo style board
My first experience with Arduino ended in a tragedy. I bought a Leonardo from ebay and upon arrival, attached it to my laptop. Programmed a simple blink demo with the onboard LED. It started working. ...
- 5,401
3
votes
0
answers
4k
views
Using Leonardo and getting absolute x,y Mouse values
Trying to modify the native mouse methods so that it can use absolute, rather than the relative values it currently uses. This is so it can function as a touch screen pointer, and NOT a mouse.
Am ...
CommunityBot
- 1
2
votes
1
answer
61
views
Is it possible to use an already working Barebones (328P) via FTDI to load a bootloader onto another 328P?
When testing / developing a proto type using a barebones board with 328P, I usually add a Serial to TTL adapter, which then allows me to modify and upload code as well as being able to the use Serial ...
CommunityBot
- 1
2
votes
0
answers
404
views
Implementing very slow external drive using ESP32 and TinyUSB
I want to implement a simple external drive with ESP32-S3 that would act like a normal USB enabled flash drive when connected to a computer.
The actual storage of the data is done mechanically (for ...
2
votes
0
answers
41
views
Can the USB interface IC be identified via code alone?
I know that the master controller can be found in verbose upload output in IDE, but I have a few boards from different manufacturers and my smartphone camera is apparently insufficient to take a ...
2
votes
0
answers
190
views
Arduino Micro digital output pins floating / high Z
so i recently got an arduino micro for a project needing the control of two stepper motors with the A4988 driver. previously i was prototyping on an arduino uno and everything was working fine, but on ...
2
votes
1
answer
145
views
Can I flash hoodloader2 or HEX files on Arduino Simulators?
I want to make a HID Keyboard out of Arduino UNO, in UNO board the script runs perfectly fine, but the UNO board requires me to flash it every-time I want to put in a new script in it, so can I do the ...
CommunityBot
- 1
2
votes
0
answers
354
views
Stand alone Atmega328p-au
I'm trying to make a standalone arduino board with an OLED display using an Atmega328p. I never tried to make such a board using SMD components. I've soldered everything together except the OLED ...
- 29