Arduino Pro Mini is a microcontroller board based on the ATmega168. With 14 digital io pins. Eight are analog inputs, six are capable of PWM output. Programming and power is done via a six pin header which can be connected to a FTDI cable. The official board was designed and is manufactured by ...
7
votes
11answers
7k views
Most compact method of powering Arduino from wall socket
There are a lot of methods to power an Arduino from a large range of voltages:
USB cable from PC or from a phone charger or an USB hub
step down converters
step up converters
switching power supply
...
1
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2answers
2k views
Getting “avrdude:stk500_recv(): programmer is not responding” while uploading sketch to Arduino Pro Mini
I recently bought an Arduino Pro Mini(3.3V 328p, 8Mhz) along with a CP2102 USB to TTL UART convertor. When I tries to upload sketch to the Pro Mini using it, I am getting avrdude:stk500_recv(): ...
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
3answers
433 views
High Frequency Sine Wave Generation
I'm new to the world of Arduino and I'm working on a wireless charging project that needs a 5.7MHz sine wave. I've tried using a Due and changing the PWM and DAC, but I can't get a clean sine wave at ...
0
votes
1answer
380 views
Wire.endTransmission() Hangs
I have written a code that transmits data over the I2C channel, The device ID and every other stuff is working fine. The only issue being that my code gets stuck at Wire.endTrasnmission().
I found ...
0
votes
1answer
97 views
USART RX Interrupt on an ARDUINO PRO MINI containing factory bootloader
Is it possible to use RXC Interrupt vector with the factory programmed bootloader still existing in the arduino pro mini?
I've written a simple echo program using RXC interrupt vector, the program ...
2
votes
1answer
162 views
Ambiguity in Software Serial
HW:
2 Arduino ProMini 16Mhz, 5V
Software serial directly connected using male jumpers on bredboard.
I have creates a software serial port for communication between two arduinos, Parent and child
as ...
0
votes
1answer
20 views
Arduino LED lighting up when signal is reading low on multimeter
My code is designed to play a tone when ever pin 3 is high on my Arduino. When I am examine the pins voltage with a multimeter it is always reading below 1 volt. When I examined the voltage off of a ...
0
votes
1answer
77 views
MPU6050 or GY521/HMC5883 chips are burnt for no reason
I been trying to interface MPU6050 and HMC5883 with an Arduino Pro Min/Nano. I2C scanner works just fine and identifies the device with no issues. I let the I2C scanner run like for 5 minutes and i ...
0
votes
2answers
65 views
Pro Mini 5v with Adafruit motor shield v1 power sharing problems
I am trying to convert a RC car into autonomous car using Arduino Pro Mini 5v 16 Mhz. I have done this with UNO and Adafruit motor shield 1.0 with 4 gear motors and one micro servo for mounting range ...
0
votes
0answers
47 views
Motor shield power from Arduino pro mini 5v RAW Pin 150mAh cannot run servo
linked to my old question, Pro Mini 5v with Adafruit motor shield v1 power sharing problems
I figured out and use one 7.2v battery (6 AA cells), and link it with RAW pin to Pro mini and join its 5v ...
1
vote
1answer
53 views
How can I build a simple “Smartwatch” with Arduino Pro Mini and Display?
I want to know how I can build a simple "Smartwatch" with an Arduino Pro Mini and a Display with a size from maybe 1,5" what Display should I use for Touch and color?
I only want simple things like ...
0
votes
2answers
3k views
Programming Arduino Pro mini 328 with Arduino Uno SMD
I apologize in advance, because there is a lot of tutorials out there about programming arduinos with another arduino, however I can't find really simple one I could understand.
I have Arduino Uno ...
0
votes
4answers
299 views
How can I stop SoftwareSerial from receiving data and re-enable it at some other point?
My project involves and RFID reader connected to an Arduino Pro Mini (5V, 16MHz) and an Adafruit CC3000 breakout WiFi chip. The device reads RFID tags and sends them to my web service. I am using ...
4
votes
9answers
15k views
avrdude: stk500_getsync(): not in sync: resp=0x00
I have arduino pro mini 5V, 16M ATMega328 and CP2102 USB to TTL. I've wired them like this:
When I try to upload a sketch to the arduino board I'm getting the following error:
avrdude: ...
0
votes
0answers
38 views
Arduino Mini Pro 3.3 V Issue with Bluetooth Mate
I have an Arduino Mini Pro 3.3 V powered from a coin cell(3.6 V, CR2450) and connected to Bluetooth Mate Gold. I have checked the connections and they are fine. I can also connect to the bluetooth ...
0
votes
4answers
147 views
How to have an Arduino communicate with 3 other Arduinos
I was wondering how can I get 4 Arduinos in total to communicate with each-other through a wired connection. The goal is to have the master Arduino send a number 0-100 to each of the other arduinos.
...
0
votes
1answer
172 views
IR Receiver interrupt and arduino sleep mode
I need to put my arduino into the sleep mode in order to consume less power. My arduino receives IR data and do some work with it, but I need to make it sleep until there is no data. If the data has ...
1
vote
3answers
3k views
Convert Arduino Pro Mini 5v to use 3.3v
Id like to make my 5v pro mini use 3.3 v instead of 5 because i want to use it in an existing piece of electronics that uses 3v throughout.
Looking at the specs for the pro mini it says the 3.3v ...
0
votes
0answers
49 views
Adafruit motor shield 1 and Arduino Pro Mini
Can any one tell me how to connect Adafruit motor shield v 1.0 with Arduino Pro Mini 5v 8 Mhz. Motor shield uses which pins as I want to replace my Arduino UNO to Pro Mini and need re-wiring. Tried it ...
1
vote
1answer
41 views
FTDI Adjustable 3v3/5v only outputs 5v
I bought the below FTDI programmer for use with my 3v3 arduino pro mini. But even when the switch is set to 3v3 it is powering the board with 5v, (hence the IO voltage is also 5v). Note that when the ...
0
votes
0answers
73 views
Pressing button stops listening on nrf24l01
I have been tinkering for 2 days to manage send and receive between 2 arduinos. My code is bellow:
Arduino 1:
#include <SPI.h>
#include <RF24.h>
#include "printf.h"
#define LED 2
#define ...
1
vote
2answers
93 views
sending struct from Arduino to Raspberry Pi - wrong types
I'm using Raspberry Pi and Arduinos for my home automation project where Raspi is controler of Arduino nodes.
I use nRF24 wireless transceiver to communicate these two.
My problem is that when I was ...
0
votes
1answer
44 views
How do I make a atmega 32u4 mp3 player? [closed]
Is there a way to use the atmega 32u4 breakout board to make a mp3 player without the mp3 shield?
0
votes
1answer
130 views
Powering an Arduino Pro Mini directly from a LiPo
I've recently purchased an Arduino Pro Mini, 3.3V version. I've planned to use it in a diy remote: I've empty a ps2 remote, just left the buttons, and the board will be inside. The remote will be ...
1
vote
1answer
85 views
Unable to power an Arduino Pro Mini through the RAW pin
I've recently bought an Arduino Pro Mini, the 3.3V and 8MHz version. The first time I powered it, using the VCC pin, all worked. But, as soon as I attempt using the RAW pin instead, nothing lights ...
0
votes
1answer
37 views
Arduino stk500_getsync(): not in sync [duplicate]
We have an arduino pro mini, we are trying to trying to upload sketch the controller but we are prohibited, as the arduino attempt to upload the sketch, it display an error of: not in sync.
We are ...
0
votes
2answers
373 views
Necessary sampling rate
I'm using an Arduino pro mini to receive the analog signals from three sensors. I was wondering what sampling rate I should sample at in order to properly represent these signals. I know it should be ...
0
votes
1answer
50 views
Custom Bootloader on Atmega328p - PU - 28 pin DIP
I am experimenting with low-power wireless arduino modules. For that, I needed 3V powered arduino so that I can do away with voltage regulators which eat up a lot of battery juice.
I am using 28 pin ...
0
votes
1answer
73 views
Running Pro Mini Continuous on 12v w/o Damaging Regulator
A Pro Mini needs to be placed in a 100mmx50mmx25mm, no holes but not air tight ABS plastic enclosure, with a 12v power supply connected to the raw input. It will be consuming max 40mA, ambient ...
4
votes
1answer
386 views
Problem programming Mini Pro via Arduino as ISP
I just picked up a pair of Arduino Mini Pro 5v clone boards (Inland, sold at Microcenter, currently $4 USD) and I wanted to use my Uno as an ISP like I've done with ATmega328 and ATtiny85 chips ...
0
votes
0answers
44 views
Flickering LCD when using > 5v power supply on a Pro Mini
I have a Pro Mini wired up to an LCD via an I2C board. At http://www.arduino.cc/en/Main/ArduinoBoardProMini it says the pro mini can accept up to 12v on the RAW pin as it has a voltage regulator on ...
0
votes
0answers
118 views
Pro Mini 3.3v + Neopixel not working when disconnected from USB
I'm doing a project using an Arduino pro mini 3.3v and Adafruit's Neopixel.
I've flashed an example (strand example) from the Adafruit Neopixel's library sketch into the Arduino using the FTDI Basic ...
5
votes
4answers
5k views
Programming arduino via bluetooth module issue
I followed a tutorial on how to setup arduino and bluetooth so it can be programmed without usb cables. I didn't use capacitors or resistors asthere doesn't seem to be a need for them. I have the ...
1
vote
1answer
152 views
Powering fans and arduino pro mini from single 12v supply
So, I have a 5V Arduino Pro Mini, which is running the logic behind a multi-DHT22 sensor array, and using that input to control a 12v 24mm fan (12v, 0.16 A).
This is currently a working board on an ...
2
votes
1answer
783 views
Having difficulty uploading sketch to an Arduino Pro Mini
Having developed and tested a project using an Arduino Uno, I would now like to upload it to an Arduino Pro Mini (5V, 328, 16MHz) for semi-permanent, long-term use, but I can't get any sign of life ...
1
vote
0answers
71 views
Connecting Indicator LEDs to Arduino Pro Mini
I'm new to electronics and unsure whether my design below will work as intended. XBee Series 2 and Arduino Pro Mini 5V are used. There are 4 LEDs, each with the following roles:
LED1: Flicker when ...
1
vote
1answer
719 views
Powering a 5V Arduino Pro Mini with 3.3V
I want to run the 5V board at 3.3V because I can get the 5V version cheaper than the 3.3V version.
I read that you can power the Arduino Pro Mini with a battery by connecting the battery to the 5V ...
0
votes
2answers
357 views
How to get Baite Pro Mini working?
I have recklessly bought the Baite Pro Mini and I find it difficult to upload any program. I use Ubuntu Linux, but out of frustration I am ready to install Windows, if it is necessary.
I've read the ...
0
votes
0answers
60 views
Arduino ProMini green led flashing and unable to reset
so I'm using a promini running on solar power. For some reason, after sometime it gets stuck with the green led flashing and only by cutting power can I reset the promini. Even the reset button doesnt ...
1
vote
1answer
270 views
Arduino NRF24L01+ arduino to netmf transmit issue
I want to communicate between Arduino Mini Pro (china import) and a stm32f4 running netmf runtime. At the moment I'm able to communicate between SPI1 and SPI2 on the stm32 board.
After that I ...
0
votes
0answers
343 views
Uploading Temperature data (DHT22) to Thingspeak with an ENC28J60
So, I've gotten my module working pretty well. It logs data from the DHT22 and sends it to a 192 address on my LAN. However, I'd like to log and graph the data.
I figured thingspeak is a decent ...
0
votes
0answers
346 views
Arduino Pro Mini gives error when uploading- “stk500_recv(): programmer is not responding” & “stk500_getsync() : not in sync: resp=0x00” [duplicate]
I have a Arduino Pro Mini clone to which I am trying to upload the Blink sketch. I am on Ubuntu 14.04. USB to UART CP2102 (arduino programmer I am using) drivers are available by default with this ...
0
votes
0answers
404 views
MPU-6050 giving strange data
I'm using an MPU-6050 chip in order to calculate orientation. It is connected to an Arduino Pro Mini. I am using code written by Jeff Rowberg that uses the internal DMP. The 57600 baud rate crashes ...
1
vote
1answer
597 views
Audio Frequency White Noise generation using Arduino Mini Pro
For DIY, how to program Arduino Mini Pro to act as an Audio Frequency White Noise generator?
Presumably,
a) using one Digital Output pin
b) feed to a simple passive RC low pass filter to reduce ...
1
vote
1answer
218 views
Delay() function and I2C interrupt
In my design, one arduino pulls a line high on other arduino, the other arduino polls this pin and if that is high sends the data on I2C bus.
The first arduino holds the line high for 100ms using the ...
0
votes
1answer
157 views
Connect multiple I2C to an Uno
Is it possible to use more than 1 device that needs to use SDA for I2C with a mini?
Would you use a different analogue pin with a 10k pull up resistor and tie all of the devices to the SCL?
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
0answers
94 views
Arduino Software Serial reading a value of zero after several reads? [closed]
I am using the ID12-LA RFID reader with an Arduino Pro Mini (5V, 16MHz). I am also using the software serial library to read the serial data form the reader.
Initially the serial data is being read ...
11
votes
2answers
4k views
Arduino Pro Mini (3.3V version) input voltage range / tolerance
I have a few Arduino Pro Mini clones (cheap Chinese stuff) and would like to power them with 12V power supply (same as fan voltage). According to the Arduino Pro Mini spec the RAW pin can take ...
