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 ...
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1answer
14 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.
...
1
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2answers
95 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(): ...
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1answer
16 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?
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1answer
2k 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
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1answer
86 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 ...
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0answers
15 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
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0answers
25 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 ...
0
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2answers
94 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 ...
3
votes
4answers
3k 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
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1answer
68 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
57 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 ...
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0answers
38 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
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1answer
388 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 ...
6
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9answers
3k views
What is the smallest method of connecting an arduino to 110v / 220v?
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 convertors
step up converters
switching power supply
...
0
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2answers
76 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 ...
1
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2answers
984 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
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0answers
23 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 ...
3
votes
6answers
11k 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
2answers
72 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 ...
1
vote
1answer
169 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 ...
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0answers
172 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
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0answers
249 views
Arduino Pro Mini gives error when uploading- “stk500_recv(): programmer is not responding” & “stk500_getsync() : not in sync: resp=0x00”
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
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0answers
177 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 ...
2
votes
0answers
69 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 ...
1
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1answer
171 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
74 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
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0answers
134 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
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0answers
66 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 ...
0
votes
1answer
96 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?
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1answer
291 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
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0answers
63 views
Arduino Software Serial reading a value of zero after several reads?
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 ...
10
votes
2answers
2k 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 ...
1
vote
1answer
288 views
Driving power MOSFET from 3.3v or lower Arduino Pro Mini
I want to control a low voltage (hobby class) motor with a 8Mhz/3.3v Arduino Pro Micro. I'd like to power both from 2 alkaline cells. The motor draws approximately 1 A @ 3V with new batteries. I ...
1
vote
1answer
310 views
Budgeting Power for 5V Arduino Pro Mini
In my low power project, I'm using a Arduino Pro Mini (5V, 16 MHz, ATMEGA328) and a low wattage 3W power supply. Everything else on the system other than the Arduino uses a max of 1.98W.
How much ...
1
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1answer
207 views
Is it advisable to reload Pro Mini with the bootloader originally designed for UNO to save 1.5 KB flash space?
In order to allow bigger user program size, is it possible and advisable to reload Pro Mini with the boot loader originally designed for UNO. This will save 1.5 KB flash space (UNO boot loader is ...
4
votes
1answer
108 views
Why bootloader sizes differs from 0.5 to 8 kilo bytes for different boards?
According to official web info bootloader sizes are 0.5, 2 and 8 kilo bytes for UNO, Pro mini and ATMega2560. I believe all three boot loaders do similar job of receiving serial link data and write to ...
1
vote
3answers
421 views
Externally Powering a 3.3V device (nRL24L01+) with a 5V Arduino Pro Mini?
I have seen several references where the solution to interfacing a 5V Arduino with a 3.3V nRF24L01+ was to power the nRF24L01+ externally.
How do I do this? The ground of the nRF24L01+ is connected ...
2
votes
1answer
777 views
Arduino Pro Mini (5V) Raw Pin and VCC Pin
I am new to the microcontroller world and circuits, so bare with me. I recently bought some 5V arduino pro mini microcontrollers. I have been playing with them and they work fine, I have been powering ...
3
votes
2answers
1k views
Corrupted output from HC-05 Bluetooth module
I have arduino Pro Mini 3.3V version with hc-05 module connected to 3.3V/GND and RXI/TX0 pins. I am then using my android phone to connect to the module. It shows up and pairs fine. Then I use ...
2
votes
2answers
96 views
Is it possible to program a few Ardunios at the same time?
I have 10 Arduino Pro Minis and one Arduino Uno. Via breadboard, if I connect Pro Minis in parallel, can I program all of them at same time?
Is it possible?
1
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2answers
2k views
Watchdog timer stuck in restart loop? (green led flashing)
I am trying to set up a way to reboot arduino on command. The code below should do that but it seems like my arduino just get's stuck in some sort of a loop where I cant upload or get any serial ...
0
votes
1answer
173 views
1 Wire temperature sensor
I bought a waterproof temperature sensor from Ebay, I am fairly new to this and not sure what I need or need to do in order to get the sensor to output the current temperature to the serial monitor.
...
1
vote
3answers
2k views
Using 3.3V XBee with Arduino Pro Mini 5V Version
The Xbee requires a 3.3V power input and the Arduino Pro Mini (5V version) only provides a regulated 5V.
Question: What will be the simplest way to provide a 3.3V rail to the XBee from the Arduino ...
1
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1answer
207 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 ...
