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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11 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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41 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
58 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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51 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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1answer
29 views

How to load scal factor external to the code?

We know that, we need calibration factors (scale factors) to read current sensor data (ACS758) to arduino. I am also using voltage reader using voltage divider circuit for my project. I need to build ...
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1answer
50 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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1answer
49 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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27 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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45 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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30 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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1answer
45 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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1answer
60 views

Why does the LEDs affect Analog Input?

So I'm working for a project to control RGB Led Strip using microphone or sound sensor with Arduino Nano. I'm using 5050 RGB Led Strip around 120 LEDs, and I control them using simple transistor ...
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564 views

Arduino Nano 33 IOT issue

Nano 33 IOT is not detecting by windows . When i plug the usb cable only green light on the board. Board is installed from the board manager. the cable is usb DATA cable and not charging cable. I ...
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1answer
42 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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39 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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2answers
91 views

Wireless Bluetooth USB HUB using Arduino nano

I have the following problem/idea: I have a electronics workbench and a separate PC desk. Now I have a USB HUB on the workbench, but it doesn't properly work, because the USB-cable to the pc is too ...
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1answer
44 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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1answer
131 views

led chaser fill color effect

Please help. I am learning a lot about Arduino. Most all in lightning. I am a newbie. I play with nano and LED ws2812 and use fastled library. What ask is to make effect like fill effect. For ...
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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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1answer
25 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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0answers
25 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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19 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
482 views

vk2828u7g5lf GPS module over SoftwareSerial

So my goal was simple. Trying to get a GPS speed, and show it on a display (later use it to control a stepper motor). I am using the vk2828u7g5lf GPS module from Banggood, which after days of ...
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1answer
28 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
48 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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118 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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2answers
93 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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0answers
46 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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1answer
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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1answer
4k views

Emulating a generic Mifare USB peripheral device with RFID-RC522

Hardware Dev Board: Arduino Nano V3.0 Module: RFID-RC522 13.56 MHz Cable: USB A - USB Mini B Configuration Physical Code /* * -------------------------------------------------------------------...
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1answer
42 views

Fastest Communication from NodeMCU to Arduino Nano

For one of my projects, I need to transmit data from NodeMCU to my Arduino Nano, in real time, I used S-Bus, but it quite unsatisfies me, as, slight latency is taking place. I am transmitting a JSON ...
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1answer
462 views

Two flow sensors, one ESP32, LCD and/or Arduino

I want to build a flow meter but the Gal/Min rating of something like this flow meter is too low. I am thinking of strapping two side by side with suitable plenums for In and Out. I have found some ...
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49 views

Arduino how can I search for missing library header files

How can I search for blank library header files (ie. .h files).
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1answer
38 views

Latency in Websocket

I am using Websocket, for a communication from my mobile phone to a NodeMCU, and transmitting 4 channel, data, through 4 different Websocket Ports. the NodeMCU control code is here: // ============ By ...
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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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2answers
46 views

Reading out two sensors via Com-Port at the same time

I have two Arduino Nano Every and a sensor connected to each of them. Here is what's happening: I upload the sketch to the first Arduino on Com4 and see its output is correct via the Serial Monitor I ...
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1answer
984 views

Powering a Nano with a 5v mini USB adaptor

I have made a simple temp sensing circuit that lights an LED when it reaches a certain point. It works perfectly when powered by a USB plugged in to the laptop but when I connect it to a 5V supply ...
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1answer
21 views

Pca9685 & WS2818B, 1 Nano

Arduino n00b here. I currently have an Arduino Nano set up to run 6 servos from a PCA9685 board. I'm looking to add 6 switches and 6 LED indicators to switch servo positions. What I'm curious about is ...
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2answers
23k views

avrdude ser_open() can't set com-state

When trying to upload the blink sketch to my (unofficial) Arduino Uno, I get the following error: avrdude ser_open() can't set com-state for "\\.\COM3" I have programmed this Arduino before using ...
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1answer
39 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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4answers
147 views

wake from powerDown to check sensor then put back to sleep

I am using an Arduino Pro Mini with various sensors. I am powering it with 2 3.7v 3400mA batteries which I recharge with a solar panel. I take a reading from the batteries and if the reading is ...
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2answers
98 views

Convert comma-delimited Arduino String of hex values to array of bytes

My apologies if this is a naive question. How do I convert a String which has hex values to a byte array that has those hex values? This: String s = "0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff"...
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1answer
37 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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2answers
733 views

Arduino UNO/Nano communication with SP1ML-868 module

Good evening, I'm trying to establish serial communication between an Arduino UNO/Nano (ATMega328P) and a SP1ML-868 RF radio module (http://www.st.com/en/wireless-connectivity/sp1ml.html). I can talk ...
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3answers
1k views

Trouble with NRF24L01

I've been trying on and off to try and get my nrf24l01's working for some time and they never seem to work. Right now I'm just trying to turn a led on and off over the radio and it isn't working. ...
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1answer
44 views

need help regarding modification of arduino code [closed]

https://youtu.be/a7cO0Zcwmvw).Can Anyone help me to remove the LED DISPLAY 16*2 code from the given below code(I just need the TM1637 LED DISPLAY code) CODE:- https://drive.google.com/file/d/...
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1answer
2k views

Battery solution Nano 33 iOT

Since the Nano 33 boards are quite new right now, I haven't found any details on how to hook one up with batteries. I'm pretty daft when it comes to electronics (I'm a software man), and I read that ...
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3answers
83 views

NRF24L01 Transmission Problems between Arduino UNO and Arduino Nano

I'm a beginner in using NRF24L01 tranceiver module. I tried sending a simple "Hello world" using Arduino Nano and a Arduino UNO with the use of two NRF24L01 modules. I don't get any output ...
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0answers
18 views

ESP8266 HttpClient recursive connections to URL to send sensor data

I am developing a project based in Arduino Nano and 2 sensors. In this projects is very important the energy because of the prototype is going to be powered by batteries or solar power. In order to ...

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