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
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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 ...
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1
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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 ...
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3
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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
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2
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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
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0
answers
472
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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
1
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1
answer
751
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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, ...
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1
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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 ...
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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 ...
0
votes
1
answer
80
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Programing a Mini 05 without a USB-to-serial converter
I have an Arduino Mini 05 clone Wattuino, an Elegoo Mega, a Powerboost 1000c, but not access to a USB-to-serial converter. Is there any way to program the Arduino Mini with these devices?
I tried to ...
1
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1
answer
292
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Can't upload to Arduino Mini via Arduino USB 2 Serial Converter
I bought an Arduino Mini and also an Arduino USB 2 Serial Converter.
While trying to program the Arduino Mini, I get this error:
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x00
...
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0
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IR sensor not detecting light or dark sufaces
I wrote code for the vibrating motors to vibrate when an IR sensor detects a darker surface. I have 4 vibration motors for corresponding 4 IR sensors. My program is not able to read the values from ...
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3
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2k
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How to power my Arduino mini using wall socket?
I am trying to power my Arduino Mini (which is connected to IR receiver and a relay board). The idea is to hide the entire setup behind the electrical board including the power supply. I have hacked ...
- 235
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1
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250
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How to use setModemRegisters in RF24
The below picture is the introduction of setModemRegisters .
First: What is the mean of ModemConfig* config? I mean: how to write the parameter. Maybe just give a example, and it will be better if it'...
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3
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Programming an Arduino Mini 05
So, I recently bought an Arduino Mini (5V, 16MHz), and a USB to Serial Converter.
Provided are the links to both the products:
Arduino Mini,
USB to Serial Converter
Now, I tried programming the mini ...
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0
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1
answer
315
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Picking the time a led on an arduino should turn on, via android
I have created an app which is connencted to my arduino via bluetoth. The user of the app can turn on and off a led which is connented to the arduino. But I want to take it a step further... I want ...
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1
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358
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Arduino mini being programmed with CH340G
So, I have bought this USB programmer with CH340G chip on it, but it seems, that I cannot program arduino mini clone.
So, this programmer has pinout of 5V|GND|TX|RX|3V3.
I have connected TX to TX ...
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3
answers
20k
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Ping IP address using ESP8266 connected to Arduino
I want to make a system using NeoPixels, an Arduino and an ESP8266 module to ping IP addresses on my network to determine if certain people are on our Wi-Fi (I'll be pinging mobile phones).
I'm ...
- 153
0
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1
answer
166
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Arduino TMP36 sensor
I am following the tutorial Tiny WiFi Temperature Sensor with Arduino. everthing works fine, but I have a little problem.
When the serial monitor is opened the sensor is reading fine like 23.20, 20....
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2
votes
1
answer
128
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powering RF on GPIO
I have been running a simple RF link between 2 arduini uno recently and everything went faily well. I am now trying a new project with an arduino mini pro (5V/16MHz) and the seeeduino RF link (@315MHz)...
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1
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388
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How to calculate voltage?
I want to check each cell voltage using arduino.
and how to calculate dc current using CT Sensor using Arduino?
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0
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967
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Read from the SD card - ACMD41 times out
I'm trying to read from the SD card using an Arduino Pro Mini (3.3 V), Pololu micro-SD reader (the 3.3V one) over a SPI protocol.
I've tried both the SD library from Arduino SDK, and the Adafruit one....
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2
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0
answers
756
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Feedback Request: HID USB to Bluetooth Relay
Bluetooth Relay Project:
Develop a USB to bluetooth adapter for my mechanical keyboard. Using a USB host shield, have an Arduino Pro Mini read keyboard usb commands and repeat them over bluetooth.
I ...
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2
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Light sensor always getting max value
I have build a simple voltage divider with a light resistor and a 5.6k resistor. I am reading the input on A0 on my arduino board but it is almost always at 1023, independent of light. If I cover it ...
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2
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How to know which Arduino to choose: Nano, Micro or Pro Micro?
I'm puzzled at the moment with which one to choose.
Form-factor plays a significant role in my project, so I prefer the smaller boards mentioned in the title to fuller boards like the UNO, MEGA, etc.
...
elgolondrino