Questions tagged [arduino-mini]
A small microcontroller board based on the ATmega168 or ATmega328 chip. Use this tag for questions specifically regarding the Mini, and not just general Arduino usage.
47 questions
-3
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1
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How can I use a LCD I2C and a RTC3231 on a Arduino Pro Mini?
On a small project, I have a DS3231 RTC module and a LCD I2C module that I'm trying to connect on a Arduino Pro Mini board. However, both the RTC and LCD require connecting the SDA and SCL to the pins ...
4
votes
1
answer
795
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Can not burn arduino pro mini 8 MHz bootloader with usbasp
I am using schematic of Arduino Pro mini 3.3v/8 MHz version. Please see below circuit diagram I built.
Power supply to circuit is 3.3V.
I have a USB ASP programmer which I used in previous version of ...
- 61
-1
votes
1
answer
47
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Synchronizing an internal frequency to an external one
In this question:
Procedure for changing frequency of Nano or similar, @EdgarBonet gave a very nice method of generating timings that don't divide the system clock evenly. He also said that it would ...
- 269
1
vote
0
answers
76
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Windows Driver for Arduino error code 22
I'm trying to use avrdude to load an Arduino program with the console, but I have a Windows 7 x86 Professional with Service Pack 1 (old PC). When I install the Arduino driver that comes with the IDE ...
- 11
1
vote
3
answers
704
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Arduino Pro Mini PWM issue
I want to create a small LED strip driver/controller with 2 channels (Cold/Warm white) using Arduino Pro Mini (5V/16MHz). I have connected the parts per the following diagram
I have pins 5 and 6 ...
- 21
0
votes
0
answers
83
views
Battery depleting on second prototype
I am working on a project which uses two 18650 3400ma batteries to power some sensors, an Arduino Mini Pro, an 433mhz RF transmitter and an ESP8266-01. Most of the time the Arduino is in sleep mode ...
- 161
0
votes
2
answers
2k
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SIM7600 A-H not responding directly when connected through pins
I am working on a project which utilizes three components:
Arudino Pro Mini(5v)
Breakout SIM7600 A-H from AND technologies
9V Battery (connected to RAW and GND on the Arduino board)
I am trying to ...
1
vote
1
answer
135
views
Communication with sensor KMX63 in I2C
I trying to use a new sensor the KMX63 with a Arduino Uno board, my sensor is on a evaluation board made by kionix.
For the connexion il linked as follows:
| Pin Uno | Pin evaluation board |
| A5 | 5 |...
1
vote
0
answers
473
views
Arduino Mini and USB2Serial not uploading sketch
I am trying to upload my sketch to an Arduino Mini Pro.
My programmer is the Arduino USB2Serial.
I am running the Windows store app on a Windows 10 machine.
I wired everything up according to the ...
- 111
0
votes
1
answer
89
views
Cannot use radio transmitter after switching to LowPower library
My Arduino Mini board has DHT22 temperature sensor and 433MHz radio transmitter modules. I'm using DHT and RCswitch libraries to make use of them. Code looks like this:
void setup() {
tempSwitch....
- 103
1
vote
1
answer
751
views
Why is Arduino Pro Mini not powering this LED?
First off, I'm very new to Arduinos and electronics in general, so feel free to explain like I'm 5.
As a bit of background to this question, the project is simply using a Pro Mini to run a servo, ...
- 43
0
votes
2
answers
541
views
Error while uploading the sketch for Arduino Mini
I'm having a problem while uploading the program.
Arduino: 1.8.4 (Windows 10), Board: "Arduino Mini, ATmega328P"
Archiving built core (caching) in: C:\Users\UMME-K~1\AppData\Local\Temp\...
- 11
0
votes
1
answer
2k
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Decreasing Arduino pro micro power consumption
I'm working on a project that involves sending GPS coordinates wirelessly from an arduino board to another one. I was thinking of using an arduino micro for this task. The problem is that I want it to ...
- 18
1
vote
1
answer
2k
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Send an multidimensional array of values from one arduino to another through serial port
I have connected two arduinos using pins: RX and TX and managed to send a string as an array of values:
//sender
char mystr[6] = "hello";
void setup() {
Serial.begin(9600);
}
void loop() {
...
- 151
-1
votes
1
answer
64
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using pull-up resistors with A-star 32u4 on putput pins?
Okay probably not the first time this has been asked, but really, I search all over the internet and was not able to find this.
I want to drive LEDs on the output on some of my pins. Is it required to ...
