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 ...
2
votes
1answer
30 views
Arduino mini pro as ISP for Atmega329P-PU serial monitor failing
After trying a lot of tutorials and manuals around the web including at least 20 solutions here on StackExchange, I don't know what to try anymore.
My goal is to write a message in the serial monitor ...
0
votes
0answers
33 views
I cant upload arduino promini using a uno r3
Arduino: 1.6.10 (Windows 10), Board: "Arduino Pro or Pro Mini, ATmega328 (5V, 16 MHz)"
Build options changed, rebuilding all
Sketch uses 928 bytes (3%) of program storage space. Maximum is 30,720 ...
1
vote
1answer
26 views
How do I know if bootloader flash was successful?
I just bought a raw Atmega328p microcontroller. I am attempting to flash it with the Arduino bootloader.
The process seemed relatively straightforward as I had just followed the posted tutorial (...
0
votes
0answers
46 views
Using the manchester Libary with Attiny85 and Ardunio Pro Mini
I have problems sending data from my Attiny85 to my Ardunio Pro Mini with 433MHz RF Modules with the Arduino Manchester Library.
The LEDs are switching on both sender and receiver, but I am only ...
0
votes
1answer
31 views
Can I convert 3.7V to 5V's using 3.3v to 5v converter
THe product: (https://www.sparkfun.com/products/12009)
So guys, here' s a pretty simple but important question for me:
Can I convert 3.7V (li-po battery's voltage level) to 5V's (I do have arduino ...
0
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0answers
39 views
Why is pin not reading voltage when code is implemented?
I'm learning to use the Adafruit LSM9DS0 and have cobbled this code together such that an LED will turn on when it detects motion on the accelerometer, specifically when the magnitude is over a ...
0
votes
0answers
22 views
Control the Power of a Raspberry Pi 3 using the RUN header?
I want to control the power of a Raspberry Pi 3 using an Arduino Pro Mini (the 3.3V version). I don't want to change anything on the board, except soldering the RUN header. I also can't put anything ...
0
votes
1answer
25 views
Control/switching of headphone audio
I need to do some simple line control of audio out from a phone, 3.5mm TRS. I would have preferred to use transistors, but the voltage drop on an already fairly weak signal makes it unusable. Also not ...
0
votes
1answer
15 views
Connection of seeeduino gprs with relay module
Good day, on my project, i'm working on home automation the stage i am now is the implementation part where i want to assemble all the materials i need to use. the materials are: seeeduino gprs(...
0
votes
1answer
33 views
Arduino Pro Mini interrupts timer not working
i am trying to make an arduino pro mini sd card serial logger.The arduino should log the data that comes over the uart and write it to an sd card and if it is no data on the serial for 25 seconds to ...
0
votes
1answer
42 views
Yikes! Invalid device signature. Fail to burn bootloader and read fuses
I know this problem is kinda common but I had to post it anyway.
Before anything, I would like to inform you guys that I changed the fuse of my arduino pro 3v3@8MHz to allow 1,8V brownout and also ...
0
votes
0answers
32 views
code, that is working on arduino uno didn´t work on pro mini
i am trying to make cnc machine controlled by ps2 mouse. I wrote the code, and it is working, when i upload it to the UNO. But when i uploaded that code to the arduno pro mini (throught ISP) it didn´t ...
0
votes
1answer
43 views
Atmega328p clock and safe operation zone
im not used to write in english but i hope you guys can understand. I have some doubts about using the arduino pro mini 3v3@8Mhz
I know its possible to change the clock to 1 MHz with the fuses ...
0
votes
0answers
33 views
avrdude error RetroWatch
Im trying to make a RetroWatch (http://www.instructables.com/id/Make-your-own-smart-watch/?ALLSTEPS) and am getting an error when uploading. I am uploading to a pro mini through an Uno.
WARNING: ...
3
votes
3answers
110 views
Arduino Project Power Consumption Calculations
I have built an automated window blind controller that will adjust the angle of a servo based on the value received via a light dependent resistor. Once every 10 minutes the MCU wakes up, gets the ...
0
votes
0answers
26 views
Aruino pro mini not accepting new code
I recently purchased an Arduino pro mini from Amazon, and a ch340g serial adaptor to program it. When I first used it, I only used the simple blink program, just editing the delays. This worked great, ...
0
votes
0answers
65 views
RC Switch with Arduino Pro Mini & 433MHz Receiver
I have downloaded the latest RC Switch library and uploaded the simple receive example to my arduino pro mini 3.3v with the receiver attached to pin 2, interrupt 0.
Testing it with my controller, ...
0
votes
0answers
75 views
Raw power to arduino pro mini
I am using a arduino pro mini and want to power it using a 9V battery. I have connected the battery to RAW and ground.
However now the VCC pin seems to provide 3.3V instead of 5V (I am using a 5V ...
1
vote
2answers
99 views
Arduino Pro mini to CH340G Connection problem
I have worked with Arduino UNO but recently I bought a new Arduino Pro mini 5v 16M and a CH340G converter to work with. I have searched google to connect pins but I found examples that explains this ...
0
votes
1answer
31 views
Will Arduino Pro Mini 3.3V run at half the speed of 5V version?
Provided a very simple sketch like this:
void loop() {
digitalWrite(1, !digitalRead(1));
}
... should I expect 5V Arduino to run twice as fast as 3.3V, or are there some internal adjustments in ...
0
votes
1answer
56 views
What is the output of Software Serial .read() function
Hi I am new to arduino development i was using esp8266 using software serial library
here is the code
#include<stdlib.h>
#include <SoftwareSerial.h>
SoftwareSerial monitor(2, 3); //...
0
votes
0answers
90 views
Esp8266 Serial Connection using Arduino showing garbage
I am new to Arduino pro mini (5 V running it at 3.3 V) and esp8266.
I am trying to use AT commands using sketch program.
Here is reported the code I tried:
#include <SoftwareSerial.h>
...
0
votes
1answer
39 views
Can I use Arduino Nano V3 to program another arduino (Pro Mini)?
I was planning to buy serial to USB converter (FT232RL) to be able to program Arduino Pro Mini.
But the shop nearby offers Arduino Nano V3 at almost the same price.
Could I use this Arduino instead (...
0
votes
1answer
48 views
Connectivity of arduino pro mini with different modules
Can an arduino pro mini be used with an audio decoder, 2.8 inch tft touch screen and ethernet shield simultaneouly?
1
vote
4answers
111 views
Power Arduino from 230v with battery fallback
I've build a fairly simple doorbell using Arduino Pro Mini 3.3V: https://www.youtube.com/watch?v=WFd94CYT2Lw&feature=youtu.be
Here's the current setup:
Arduino running of the 9V battery
A ...
0
votes
2answers
128 views
PWM on non PWM pins
Why does this code not function in a similar way to the example fade sketch?
I have had to resort to using bit-banging as a way to implement PWM onto non PWM pins due to a lack of available free pins ...
0
votes
0answers
81 views
Bit-banging Pulse Width Modulation LED fade
Whilst programming an arduino pro mini I realised I had ran out of PWM pins. Upon reading the tutorial about "bit-banging on the official arduino website I wanted to use this in conjunction with the ...
1
vote
3answers
161 views
Arduino PRO Mini - The pads [was “jumpers”] on the back and Low Power Consumption
I've noticed that on the back of an Arduino PRO mini are two Jumpers next to the A4 and A5 pins, marked with red in the following :
Looking at the leads one seems to be a bypass for the POWER Led ...
1
vote
1answer
54 views
How to use Arduino Pro Mini without Programmer
I'm a software engineer, but I'm not too skilled at understanding hardware design yet. I'm trying to learn how to use an Arduino Pro Mini board without the programmer connected, so I can actually make ...
0
votes
1answer
62 views
Pro Mini Fuse Repair
It looks like I broke my Arduino (Compatible) Pro Mini board using AtmelStudio to change the fuses. I was having trouble with speed and using some basic sketches. For example, the LED blink was on for ...
2
votes
0answers
84 views
Arduino Pro Mini I2C Problem
I am trying to connect a distance sensor VL6180x to Arduino Pro Mini via I2C. Yesterday it was working without any problems, but today it refuses to work, even though I haven't changed anything. The ...
0
votes
2answers
84 views
Get Analog Input From Arduino To Android Studio (Real-Time)
I am coding an application in Android Studio that uses analog inputs from an arduino. I am trying to send analog input from an Arduino Pro mini to an Android App. However, I cannot connect straight to ...
0
votes
2answers
46 views
Need to make an action just once when condition is reached
I'm making a device for the visually disabled that makes a sound when the water in a bowl reach certain levels.
I've already made the sensors for three levels of water and if statements to make the ...
1
vote
2answers
50 views
Arduino Pro Mini and Electronic Speed Controller (ESC)
I want to send servo signal to ESC and Servo with my 3.3V Arduino Pro Mini.
Can the ESC/Servo read 3.3V signal from Arduino Pro Mini? Or do I need to make some level shifter to make 5V signal?
6
votes
1answer
702 views
Pin 13 fires relay when powering on… How to disable?
Pin 13 fires relay when powering on... How to disable?
I'm using pro mini 5v 16MHz and a DC 12V 2 Channel Relay Module Optocoupler. The relay Jd-VCC is powered by a 12V and it's VCC is 5V (the same as ...
1
vote
4answers
574 views
Powering from 3V coin cell to VCC, using I/O pin as supply GND
I'm thinking of creating a "small" electronic dice.
(I will solder the button a little different though xD)
But there are some concerns on my design:
Powering from a coin-cell
It's a 5V arduino ...
0
votes
2answers
110 views
ISR executes twice if data coming through SoftwareSerial
I am using Arduino Pro Mini to get GPS info from a u-blox NEO-M8N chip and display it on a Adafruit OLED display. NEO-M8N has a PPS(pulse per second) output which is aligned to GPS's second. Because ...
1
vote
1answer
27 views
Uploading code to Arduino wirelessly
I have been working on a project watch which would work best if it is entirely sealed (to waterproof it). The watch may need future updates, but I will be unable to send code to it using a usb ...
0
votes
1answer
42 views
Why does the Pro Mini 5 v and 3.3 v version have different clock frequencies?
It looks like the 5 volt version used the 16MHz external crystal while the 3.3V one uses the 8MHz crystal. I need to use 3.3v as my operating voltage.
Can I just remove the linear regulator and bring ...
0
votes
0answers
46 views
Is there any diffrence between UNO and Pro micro Hardware Serial?
I've use this tutorial with Uno and it works great, but when i replace the UNO with Pro Mini 5v, GPRS works fine(communicate with micro perfectly) but GPS can't send back coordinate.
I connected GPS ...
0
votes
1answer
119 views
Mounting Arduino in an enclosure
I've decided to use Sparkfun's Pro Mini boards to make my project into a semi-professional product.
My first thought turned to enclosures - of which the entire internet seems to be bereft. If I ever ...
1
vote
1answer
30 views
Arduino Pro Mini
I have the following problem
I have a pro mini clone, with 328/5V. It was successfully working in my board. I pulled it out of the board, and wanted to update my software. I connected it to my FTDI, ...
0
votes
0answers
24 views
Arduino resets itself when its connected via Bluetooth
I've got an ArduIMU v3+ (Atmega 328, 5V, 16MhZ) and a Bluetooth Mate Silver (NT-42) connected to it.
When I run this firmware https://gist.github.com/dj-hedgehog/42b9899ad3c4a1844370 and connect it ...
0
votes
2answers
669 views
MQTT broker and Arduino + Sensors NRF24L01
I am newbie, I have never used MQTT before, so I have some questions.
Here is my topology.
I have several sensors (Arduino Pro Mini + NRF24L01) and main server/handler(Arduino Mega + Ethernet Shield ...
1
vote
0answers
35 views
Arduino signed int can't fire timer > 15 seconds
I have tried to use different libraries like TimeAlarms , SimpleTimer, Timer and others. My goal is to call function periodically every minute or so. Each library works fine when repeat time is less ...
1
vote
0answers
40 views
How to generate Analog Signal (Voice) to the microphone
I have question about microphone and generating sound signal. I have microphone in my intercom at home. It is simple analog microphone, not digital.
What I want is to connect arduino analog ...
3
votes
2answers
1k views
What is the best serial protocol for bidirectional communication with NodeMCU?
Except hardware UART. Main requirements are reliability and simplicity of use. Speed isn't as important.
Details:
I have an Arduino Pro Mini (ATmega328P 5V) controlled via UART.
I wish to connect an ...
0
votes
1answer
78 views
Unable to initialize W5100 using Arduino Pro Mini
I am unable to initialize a W5100 module using an Arduino Pro Mini. I try setting the MAC and IP addresses but read invalid values thereafter.
Here is the Arduino program along with the output:
void ...
0
votes
1answer
740 views
Use ESP8266 as WiFi client connected to Arduino Pro Mini
So i'm trying to use the PubSubClient Library on my arduino mini pro, but I'm connecting to the internet via wifi using an ESP8266.
Using a mini means I have to use software serial to connect to the ...
-1
votes
1answer
87 views
Reading SPI between an MCU and NRF24L01
I have a remote control that has an STM32 MCU and sends data via NRF24L01. What I would like to do is clone the data sent when buttons are pressed by reading what is being sent to the RF24 and then ...
