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0
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1answer
28 views

nRF2401 communication (extended vs normal)

Communicating to the antenna-less version from an extended range nRF2401 seems to produce some strange results... At a distance, the receiver seems to receive a number of values instead of one. For ...
0
votes
0answers
28 views

Graphic fail when rebooting the micro controller and OLED! (NOT when uploading the code??!!)

Im using Spark fun´s Pro micro: https://learn.sparkfun.com/tutorials/pro-micro--fio-v3-hookup-guide/hardware-overview-pro-micro And Digole OLED 1.8" hooked up with UART: ...
2
votes
3answers
88 views

Running a servo and tone() won't compile? “multiple definition of `__vector_32'”?

Im using Spark fun pro micro:https://learn.sparkfun.com/tutorials/pro-micro--fio-v3-hookup-guide/hardware-overview-pro-micro I am controlling a servo motor which reads its data from a pot connected ...
0
votes
1answer
96 views

Calculate how much battery power left

I run my 12V car battery trough a trimpot into my pro micro, micro controller. I am using (voltPinValue1 * 0.01465) to get the Volt out of analog in. I have trimmed the pots and getting the right V. ...
0
votes
0answers
55 views

Clone pro micro serial port 'COM4' already in use

So I just got this board I ordered from ebay and tried to play with it for the first time. ...
0
votes
1answer
34 views

Use Arduino pro micro to program pro mini?

So I got a pro micro and 2 pro minis and I was wondering if I could use the pro micro to program my minis? Anyone has any links or guides on how to do this, if at all possible?
1
vote
2answers
179 views

Problems with (somewhat) large boolean arrays

I am writing a simple Conway's Game of Life implementation just to get to grips with the "Nokia 3310" LCD and I am having problems with boolean arrays. I am using an (unofficial) Arduino Pro Micro ...
-7
votes
1answer
336 views

STEPPER MOTOR CONTROLLER Using LEONARDO PRO MICRO

I want to Use LEONARDO PRO MICRO and A4988 Stepper Motor DRIVER to control Nema 17 Stepper Motor. Please let me know how to hookup these together. Please give me a circuit for this type of ...
0
votes
2answers
401 views

Send Keyboard Media Keys with Keyboard Library

I have an Arduino Pro Micro (ATMega32u4) that I want to use as an IR receiver for a media PC and need to send codes like Volume Up, Media Home, Play, etc. But when I look up the scan codes for those ...
2
votes
4answers
275 views

Arduino Pro Micro clone not recognized, flickering RX LED

I have an Arduino Pro Micro clone that seems to be in some sort of reset loop. The RX LED is flickering very fast and very dim. The power led also seems to flicker at the same frequency but has normal ...
1
vote
1answer
1k views

All the differences between arduinos: Pro Mini & Pro Micro

I'd like to know the differences between this two boards: Arduino Pro Mini and Arduino Pro Micro. Even if I've read this and this related post, it is not clear enough. I've always used the Arduino ...
1
vote
1answer
56 views

What are the current limits on an Arduino Micro?

Just to make sure I don't set my board on fire, is there any information out there about the maximum current per pin/pin group on an Arduino Micro? This page states I can get 40mA per pin, but are ...
1
vote
0answers
262 views

USB Keyboard in Retro Emulators

I have created a retro keyobard using a ZX spectrum and a PRO MICRO based on the info here: http://blog.tynemouthsoftware.co.uk/2013/04/arduino-leonardo-based-zx81-usb-keyboard.html When plugged into ...
4
votes
1answer
379 views

Strange values from LSM303 Magnetometer

I am having problems with values i get from Pololu MinIMU-9 boards's magnetometer. I am using Arduino-micro and the arduino library from Pololu. The sensor on the board is 3 axis accelero- and ...
2
votes
1answer
6k views

nrf24L01+ (RF24) Radio with Arduino Micro

I purchased several nRF24L01+ (RF24) Radios to use with my Arduino uno and Micro. Using the GettingStarted sketch and nRF24L01+ connected to my uno, I get nice debugging info in my serial monitor. ...
0
votes
3answers
5k views

Arduino Pro Micro, get data out of Tx pin?

I have a Sparkfun Arduino Pro Micro with an ATmega32u4 on it: https://www.sparkfun.com/products/12640 and a Roving Networks RN32 Bluetooth Module: https://www.sparkfun.com/products/10253 ...
1
vote
1answer
291 views

Arduino stopwatch, which board to use?

I am planning on making a simple stopwatch with: A display One or two additional buttons to start the stopwatch and stop the stopwatch and maybe reset it. The problem is that it has to be as ...
4
votes
1answer
2k views

Pressure transducer / sensor (0.5 - 4.5V) innacurate analog pin readings

I have a relatively cheap 0-15psi pressure transducer. It has 3 pins - ground 5V and signal. The signal outputs a voltage of 0.5V to 4.5V based on pressure from 0psi to 15psi. I can verify it does ...