Questions tagged [arduino-nano]

The Arduino Nano is a small board based on the ATmega328 or 168. It has male headers, so it can be plugged directly into a breadboard. It is small and compact, and features a USB chip.

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19 views

Trying to use Nano Every as a sort of USB logic analyzer, but can't isolate it from “device under observation”

Here's the scenario: I have a radio that displays information on a 1602A LCD. The 1602A is plugged into a header so I can easily pull it out and instead plug in logic analyzer leads. The logic ...
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39 views

Code for Degrees not

Using Audrino Nano and MKS SERVO42 42 Stepper Motor With Driver Board Closed Loop with the LCD. I have got the motor going by using the menu on board. Now able to run Code1 https://github.com/makertut/...
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26 views

Arduino MEGA 2560 board doesn't transmit RF signal

I tried to test RF communication using nRF24L01 with 2 Arduino boards ( between Arduino Nano and Arduino mega). Codes are working fine (They are very simple codes). When I set Arduino nano as the ...
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23 views

Fail to upload sketch when Arduino Nano is connected to breakout board

When I upload a sketch from Arduino IDE to my Arduino Nano (not yet connected to breakout board) via USB, it works. I can then plug the Nano back to the breakout board and let it do its thing. However,...
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39 views

Powering Arduino Components with AA in Parallel and Series

simulate this circuit – Schematic created using CircuitLab I have 6 AA batteries that I would love to power my Arduino Nano and HCSR04 ultrasonic sensor. However, for my low power application I ...
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178 views

Measure audio frequency through pulse duration

Hello dear StackExchange users, i want to develop an Infrared blaster which i can plug into the headphone jack of a phone or console of choice. In order to communicate what frequency to modulate the ...
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22 views

Receiving half the value of Reference Voltage in AD7705?

I have a doubt in the AD7705 library AD7705 Library Link when I am declaring a reference voltage of 5 V and giving a reference voltage of 5 V to IN1+. On the serial monitor, I can see ADC conversion ...
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42 views

Real Time clock module error-DS3231

This is not a code error I have been using DS3231 RTC module with battery. When I bought this module It worked perfectly now when I get it to use, The time is running perfectly. when I set the current ...
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41 views

Arduino to AtTiny change of pin interrupt behaviour?

I have a project which, to save on battery, is put to sleep until an interrupt pin is rising from LOW to HIGH. This works well on Arduino Nano, however the translation doesn't on the ATTiny. #include &...
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51 views

How to program Esp8266 remotly via wifi?

I hope it's not a sci-fi for arduino. But I saw that dual system with two MCU can program each other via radio connection. It has been done in experimental space cube projects. It is theoretically ...
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34 views

Is IMU of the Arduino Nano 33 BLE Sense good enough to measure acceleration?

I have to measure acceleration wirelessly for 1 or 2 seconds with a high level of precision. I appreciate any other suggestions.
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29 views

Wiring up an ESP 01 to Nano

I've been at this for over a week now and still cant get things working. Im attempting to wire up an ESP-01 chip to a Nano to send AT commands over Serial. I've followed many different tutorials, but ...
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36 views

Arduino Nano stucks on uploading [duplicate]

I'm trying to upload an simple blink sketch to my Arduino Nano, which not used for a while. As I remember, I uploaded an sketch to control RF module, at the last time I used. Now, when I connect my ...
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37 views

TPIC6B595 Output Unable to Allow Supplied Power to 7-segment Display

We have an Arduino Nano connected to 4 small (0.5") common-anode 7-segment displays and 2 large (3") common-anode 7-segment displays. We are trying to multiplex the displays. The larger one ...
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1answer
42 views

Help in personal alarm clock project, cant write time on seven segment display

i'm trying to make a type of Arduino alarm clock, which when the time I inputed is equals to the current time, a servo will turn on my lights. It basically consists of a Keypad, an RTC DS1307 and a ...
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18 views

How to use a non-adafruit BMP280 sensor for continuous data outflow

please I need help with the arduino BMP280 breakout board I got from AliExpress. I’m pretty new to the arduino world, I need it for my rocket datalogger, I downloaded the adafruit BMP280 library but ...
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1answer
40 views

Photoresistor help

I'm a newcomer to Arduino, trying to read analog values from a circuit with a photoresistor. I believe I am using a 1-ohm resistor The problem I am having is that my photoresistor does not seem to be ...
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19 views

Dual Channel Reading with 16 bit AD7705(SPI)

I want to read 2 separate voltage readings by AD7705 ADC and send the data to Arduino(Master). What is the correct program flow should I implement to get dual-channel operation working. How data will ...
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102 views

Unable to hear the click sound from the relay [closed]

I am using a 5v 2 channel relay module with arduino nano to turn on and off using RTC. I am able to see the LED on the relay turn on but unable to hear the click sound and the relay does not turn my ...
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19 views

Use serial communication on Sparkfun SAMD21 mini board

I am working on an economic module to be able to use serial communication with the Sparkfun SAMD21 mini development card. And I have one, the DTR (of my CH340G) do I have to connect it to the reset of ...
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1answer
86 views

Arduino timer interrupts for PID

I'm working on a robotics project where an arduino nano is acting as the motion controller. I'm trying to use a trapezoidal motion profile generator and PID loop to follow that profile, but I found ...
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23 views

0.96 oled i2c display not working with my Arduino Nano [duplicate]

So what I've tried is: Changing the i2c address from 0x3D to 0x3C and it still doesn't work. Ive also tried an i2c scanner and it hasn't worked either. First I connected the screen like this: GND-...
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77 views

MAX30100 not working

I am unable to get the MAX30100 sensor to work It keeps throwing the following error: 16:06:32.936 -> Initializing... 16:06:32.936 -> MAX30105 was not found. Please check wiring/power. I am ...
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58 views

Arduino Nano and 0.96 i2c oled screen not working

When I try to scan the i2c address it stays stuck on "i2c Address Scanner" which is the first line of the code. My screen is connected with VCC-5V, GND-GND, SCL- 4.7K resistor->A5, SDA- 4....
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60 views

Failed to boot VL53L0X: VL53L0X Error: -6

I am using a VL53L0X sensor in my project. It was working fine when suddenly it started to show failed to boot error. I tried debugging but of no use. I ran I2C scanner sketch and it detected the ...
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2answers
51 views

Is it possible to send 2 or more o/p signal at the same time?

I wanted run two motors using Cytron MDD10A Dual Channel motor driver. So my concern is based on execution of code that is done line by line, in that case when I'm driving two motors will this delay ...
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1answer
69 views

Can Arduino UNO permanently store a code?

I'm really new to Arduino and wanted to know if I can make Arduino a permanent controller? and could you help me with a cheaper alternative? I also wanted to know about "fuse", i read it ...
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1answer
30 views

Will Setting Interrupt Pin High Damage Bluetooth Module?

I want my HC05 Bluetooth Module to trigger an interrupt when it receives a signal. So I've followed suggestions from the Arduino Forum and connected the Bluetooth TXD pin to the Arduino RX Pin and the ...
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1answer
54 views

Converting from Float to Int yielding weird results. What am I doing wrong?

So I am trying to take GPS data with a Neo 6M gpsmodule (that is what is covered up by the square for privacy sake) and process it by adding/multiplying to get large integers representing the GPS data....
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49 views

Arduino Wont Run Program at 4 Mhz

I want my Arduino Nano to consume as little power as possible, so I have been lowering the clock frequency with CLKPR from the default 16 MhZ speed. I successfully ran the program at 8 Mhz by setting ...
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38 views

Is it possible to connect Longan Nano with WS2815 LED stripde?

I have a very interesting interface card - Longan Nano and a LED stripe WS2815 (12V). As far as I understand, I need to connect to DI pin of the LED stripe some pin from SPI output of the card. As the ...
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58 views

Can't Upload Sketches to Arduino Nano Every

first-time builder here. I just got my Arduino Nano Every in the mail from Mouser, and I'm trying to upload a modified version of the blink example to my new brand-new board. However, every time I ...
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1answer
48 views

PT2257 only gives me heavy buzzing sound

I have this project where I control a bluetooth audio module with an arduino. In this case, I have used an arduino nano. But then, I have been meaning to add volume control to the project so I use a ...
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2answers
61 views

I cannot upload any code to my arduino nano

Arduino: 1.8.13 (Windows Store 1.8.42.0) (Windows 10), Board: "Arduino Nano, ATmega328P" Sketch uses 934 bytes (3%) of program storage space. Maximum is 30720 bytes. Global variables use 9 ...
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54 views

“No I2C devices found” Arduino Nano Every

I was able to set up a Arduino Nano with an I2C board very easily, but the Arduino Nano Every is giving me a much harder time (my project required low profile). Just to test, I stripped some wires, ...
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21 views

Ardunio wireless voice transmission

I made a project based on calling with gsm module and arduino and now i want to transmit to voice wirelessly to my bluetooth earphone which module should i use for this purpose.
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26 views

NRF24 receiving data while turned off

The code to set up the nrf24 is from Electronoobs. The further if-clauses are suposed the drive a motor. The problem I am facing is, that if ther is no data transmission (emitter turend off; or ...
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23 views

RFID-RC522 not working properly?

So I'm working with an arduino uno and I want to read the UID from one card and write it to another with the code of Miguel Balboa but the RC522 doesn't appear to read anything on the serial monitor. ...
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1answer
31 views

Communication between ESP01 Arduino NANO and using External Interrupt in Arduino NANO for other than communication program same time

I have done communication between ESP01 and Arduino NANO (ATMEGA328 based). ESP pins used are GPIO-0 and GPIO2. In NANO, used D2 and D3. This program working Ok. Now I want to add external interrupt ...
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1answer
29 views

Erasing 1 byte of external Flash memory (winbond)

i'm trying to use an external flash memory Winbond 25q64jvsiq for my Arduino Nano based project for audio recording purposes, to have extra memory for recording 1 byte audio samples, since Arduino ...
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1answer
55 views

Function 'backward' was not declared in this scope (error message) [closed]

Code: #include <SoftwareSerial.h> SoftwareSerial BTSerial(10, 11); // CONNECT BT RX PIN TO ARDUINO 11 PIN | CONNECT BT TX PIN TO ARDUINO 10 PIN char tiltDirection; int motorInput1 = 2; int ...
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1answer
91 views

Arduino nano 33 ble vs ble sense. Power consumption, etc

After working with an Arduino Uno at work, I am looking to buy myself a board for some projects/experiments at home. The nano size seems like a great option, especially the one without soldered ...
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2answers
103 views

Counter program

I'm an absolute beginner, and lately I had some problem with this program I was trying to do. Basically I wanted with the Arduino to count 3 pulses from an oscillator and store the time of these 3 ...
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1answer
53 views

Do Arduino Nano Every devices short out?

I have an Arduino Nano Every device that seems to have shorted out. I use a lighted USB hub with buttons that turn connections on and off. Each button has its own LED that indicates power state for ...
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142 views

Switching a Solenoid Using Arduino's 5V Output?

I'm a bit stumped on how to switch on a solenoid using a transistor using my Arduino Nano's 5v Output. The solenoid runs on 12V, so I used an NPN transistor to connect the 12V source to the solenoid ...
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23 views

Longruner Nano ATMega 328P input stays HIGH for 1s longer than the reality

I have a Longruner Nano ATMega 328P (copy of arduino nano, main difference being the USB connector, CH340 instead of the usual FT232, from what I could find using google searches). I wrote a super ...
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56 views

Why isn't my Arduino Nano Every recognized as a Nano Every and why won't it upload sketch?

I have a genuine Arduino Nano Every board that isn't showing up quite right. I actually have 2 hooked up to the computer on different ports and one of them, when I click on 'Port' shows as: COM12 (...
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24 views

RF433MhZ - PWM with a motor driver freezes the code

LE: I'm almost certain that the problem is noise from the DC motor. I tried with a spare motor laying around and it had no problem, even if it had no capacitor on it's leads. So I tried adding all ...
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1answer
41 views

Best way to ask Arduino for data from Python?

I'm trying to send numerical data from inertial sensors from my Arduino to a Python script via serial (PySerial). I found that if I continuously send the data from the Arduino without stopping, the ...
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1answer
43 views

Extremely unstable analogRead() on Arduino Nano when powered from an external source

I'm doing a really simple project with an Arduino Nano and found a problem. The circuit is a simple temperature sensor and a tension read from an analog pin everything showed on a Nokia 5110 LCD. When ...

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