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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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24 views

NRF24 vs commercial RC transmitter [on hold]

I was looking for a suitable RC transmitter with over 6 channels. A friend suggests me that I make one myself using Arduino and the NRF24 2.4GHz radio modules. I would like to follow this ...
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0answers
26 views

code for OLED display suddenly crashes arduino Nano

Today i've been playing with my monochrome oled 128x64 adafruit screen. I've got it connected using SPI. Previously today i had no problems att all and i was able to print messages and variables on ...
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1answer
42 views

Arduino Uno: avrdude: stk500_recv(): programmer is not responding

I have an original Arduino Uno board purchased directly from the official arduino website. I have used it successfully with IDE v1.8.5 on my Windows 10 laptop for various projects in the last 6 months....
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1answer
586 views

Unable to upload code on Arduino Nano

My Arduino Nano v3.0 (made by Gravitech US) is behaving in an unexpected manner. Whenever I try to upload a simple Blink program on the board it always give error which is shown below. avrdude: ...
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13answers
51k views

Arduino Nano uploading gives error: avrdude: stk500_recv(): programmer is not responding

I have a Arduino Nano (Sainsmart) that I'm trying to upload a sketch to. Under the Arduino IDE, the device selected was Arduino Nano w/ ATmega328. However uploading the sketch gives me the error ...
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2answers
1k views

Arduino Nano and SIM800L on Battery Power

I'm very new to Arduino and everything related but I'm highly interested to learn more. However, I've run into a problem right in the beginning. I want to build some sort of portable emergency/...
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0answers
33 views

Double precision floating point operations using Arduino

Today we were programming something in university which dealt with really large numbers (even larger than unsigned long) and we had to create a code that broke the numbers into an array and performed ...
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0answers
38 views

LED turning on late

I am using an Arduino nano and an ESP8266. I have burnt an Arduino, but when I send a request to the Arduino LED, it takes some time to turn ON. Here is my code: #include <SoftwareSerial.h> ...
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1answer
31 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
29 views

SSD1306 allocation failed when adding a constant

I am trying to get this code working: #include <Button.h> #include <SPI.h> #include <Wire.h> #include <Adafruit_GFX.h> #include <Adafruit_SSD1306.h> #include <RTClib....
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1answer
47 views

Does UNO and Nano have the same pins?

Do Arduino Nano Atmega328p have the same pins as Arduino/Gizduino Uno Atmega328p?
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1answer
57 views

Arduino Fried? Power is being delivered to Arduino but COM not found

When i connect my arduino nano to windows 10; the arduino nano is powered on (the "POW" led is on and not blinking; none of the others are on) but it doesn't show up on my computer. It used to but I ...
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6answers
2k views

Problems with serial communication from Arduino to Bluetooth HC-05

I just purchased some HC-05 Bluetooth devices and I have followed the directions to put the devices in AT command mode by holding EN HIGH when the HC-05 powers up. When I do this the HC-05 goes into ...
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1answer
70 views

Determining direction from IMU accelerometer data

I am learning how to integrate sensors on arduinos and read their data. My ultimate purpose is to place the IMU on a robot and use it in determining the robots location in an environment. Using the ...
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2answers
388 views

Send AT commands to ESP8266 from Arduino Nano serial monitor

I have an Arduino nano and an ESP8266-01. The first thing to do seems to be to send AT commands via the serial monitor and see the replies. ESP connect as follows: GND GND GPIO2 not ...
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1answer
14 views

Arduino Nano Midi to cv convertor interesting issue

I created the circuit in this schematic on protoboard, and the code, https://github.com/elkayem/midi2cv I use a dual opamp and a single dac, because i only need note and velocity. The opto i use is, ...
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1answer
364 views

Problem with SPI comms using NodeMCU v 3, Nano and SD

Recently I bought a NodeMCU 8266 v 3 (Lolin) and it works fine. I set up a Catalex SD card module (with a built-in 5-3.3V regulator) and all was good. Then I set the Lolin with an Arduino Uno and or a ...
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1answer
28 views

Arduino does not see data from nodemcu

I’m trying to send data from a NodeMCU to an Arduino nano. If I try to send data with one second delay - all working fine. But if I try to send without delay or with a delay less than one second, ...
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3answers
54k views

What is the maximum power consumption of the Arduino Nano 3.0?

What is the maximum power consumption (in mW) of the Arduino Nano 3.0, when it is running in its default state (at 16MHz, no LEDs removed) and powered by an external regulated 5V supply so it bypasses ...
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1answer
59 views

Nano & Ethernet will not write to PushingBox on a workplace network (but will at home)

I have a Nano+ENC28J60 and I'm using Pushingbox which I have setup to write data to a GoogleDrive spreadsheet which works perfectly at home. However when I take it to my workplace it no longer works. ...
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2answers
128 views

Arduino NANO hardware SPI not working

I have an Arduino NANO clone and a 2.4" ILI9341 TFT display. The VCC and LCD pins of the display are connected to the 5V pin of the board. The GND to the GND. All the logic pins are connected to ...
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3answers
3k views

Arduino controlling a heavy solenoid water valve

So after burning up a couple Arduinos, I'm running out of ideas... I am trying to power both a Solenoid valve and the Arduino(nano) with the same 12V-2amp power supply. I've tried it with both a ...
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4answers
159 views

How to blink led and run another code at same time?

I had written a code to calculate rpm of the motors using IR sensor and Arduino nano and displaying it on OLED . With that I want an LED to blink always. Here is the code what I did: You can skip the ...
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1answer
122 views

What is best way to get data from sensors if arduino is slave?

Im working on a project where i have motor controller(arduino nano) being i2c slave. Its job is to get RF24 data and control motor and at same time send data to master about motor... Currently i have ...
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0answers
26 views

Differing behaviour from Arduino Nano when plugged into laptop vs power source

Well here's a weird one. I'm monitoring a mic on an analog pin of an Arduino Nano and using the variation in voltage to control and LED. When plugged in to my Laptop (USB 3, 500ma available, the ...
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6answers
8k views

Lowest power possible in Arduino

I have googled all around and I know about some tricks to make ATmega328 not being a power hog. I am using Arduino Nano V3.0. However, I didn't find out what is the minimal consumption possible with ...
2
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1answer
4k views

Can I use NodeMCU 12E (ESP8266) as wifi shield for arduino Nano?

Update: Point 1- I don't want to program ESP, I just want to use it as a wifi shiled. cause I'm not familiar with flashing or writing sketch for ESP, so still feel comfortable with arduino. beside my ...
3
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1answer
514 views

Arduino stopwatch, which board to use?

I am planning on making a simple stopwatch with: A display One or two additional buttons to start the stopwatch and stop the stopwatch and maybe reset it. The problem is that it has to be as small ...
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2answers
73 views

Nano damaged. Power LED OK. USB Detected. No Sketch upload. No Program running

seems i damaged one of my Nanos. i have to say i am new to Arduino and have basic electronik skills and i realized after shopping via amazon that the Nanos i have are clones with CH340G. never the ...
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2answers
566 views

I2C conflict with 2 Arduinos

I am having some trouble connecting my 2 Arduino Nanos with I2C. I have this configuration: SLAVE RECEIVER Nano with DS1037 and LCD 16x02 on I2C. MASTER SENDER Nano. After some time the Slave ...
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1answer
21 views

My SIM800L isn't working in England. Alternative board for new EE/T-Mobile 3G PAYG SIM?

EDIT: I live in the UK, and I've read some articles just now that this module never worked after 2017 in the USA because it needs "a two frequency network"?, and support for 2G(phased out in America?)....
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2answers
768 views

More than 4 MCP23S17 on 1 SPI bus

I would like to use 7 MCP23S17 as output expanders on one SPI bus. Every IC has its own address from 0 to 6. The first MCP23S17 can be written with no problem. The second chip did not work properly. ...
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1answer
12k views

How can I power an Arduino Nano with a LiPo battery, preferably 3.7v

I am a newbie to Arduino, so please bear with me. I am trying to figure out how to power an Arduino Nano with a LiPo battery. I want to use a 3.7v if possible, as my project needs to be lightweight. ...
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2answers
316 views

Controlling multiple fans using arduino uno

I'm kind of new on the field of Arduino. Although I have a question concerning multiple fan connection on 1 arduino PWM pin. The goal is to connect around 8 to 16 fans on 1 arduino pwm header pin and ...
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1answer
34 views

MPU6050 Calibration [closed]

Why does the MPU6050 IMU sensor not require calibration? I've used other gyro sensors on RC helicopters that required calibration at boot. Also, how does it know what its neutral position is ...
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2answers
50 views

Distance measuring utilizing (1 or 2) Arduino Nano's

I would like to develop a small-distance measuring device that will be primarily used in indoor scenarios to measure a distance with cm accuracy (mm if possible). The device would be in a small form ...
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2answers
48 views

How do I choose a battery to power my Arduino Nano project?

I was wondering if anyone would be willing to teach me how to logically choose/calculate which battery I should/can use to power my Arduino nano project (so I don't have to keep it connected to my ...
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0answers
41 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
346 views

Can't move servo with my Nano

I'm new to this kind of thing. My code works on my Uno without problem with two separate servos. I've ensured that it's not any faulty leads, having tried a few other circuits with LEDs, buttons and ...
1
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1answer
398 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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2answers
55 views

How to read a PWM OUTPUT PIN value?

How to get a pwm pin value that is in pinMode OUTPUT? How to get a digital OUTPUT PIN value: #define pin 3 void setup() { pinMode(pin, OUTPUT); Serial.begin(9600); } void loop() { delay(...
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1answer
66 views

How can I power a NeoPixel ring and strip through Arduino MKR1000?

I currently have a MKR1000 which is connected to 1 ring with 8 neopixels, 1 strip with 20 neopixels, 1 microwave sensor, 1 speaker, 1 rotary encoder. I am running the NeoPixel positive and negatives ...
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6answers
417 views

Arduino self programming

I have noticed that some atmel chips can do "self programming" and I'm doing a hobbyist project where I need to change the "setting" of my arduino without code-reuploading through Arduino IDE. Is it ...
0
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2answers
182 views

Why does Arduino Tone example with 8 ohm speaker make USB port fail?

I'm using an Arduino Nano and attempting to run the basic sample program at: https://www.arduino.cc/en/Tutorial/toneMelody When I build the circuit they way they show (extremely simple) using an 8 ...
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1answer
114 views

Arduino Nano /Uno USB is not getting recognized

I have multiple Unos and Nano and recently due to some bad configuration the USBs are not getting recognised on my Mac Air Laptop. These were working models for almost 1-2 years. I used it to control ...
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2answers
1k views

How can the Arduino check if it is connected to a PC and the PC is on?

I have been searching around the Internet to find if there is a way to check whether an Arduino is connected to a PC or not. For example: if my PC is turned on, the Arduino will listen to any serial ...
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1answer
2k 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 (...
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1answer
669 views

Arduino Nano - Upload verification error

I'm new to Arduino; and I'm trying to upload a simple sketch to a new Arduino Nano I tried a few sketches (blink / helloworld / empty one); and changing the USB PORT. Windows find the correct serial ...
1
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2answers
497 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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1answer
29 views

Intermittent jittering servo

I'm controlling a Hitech HS-625MG servo from a 10k slider via a Nano. For a while the motion tracks the slider position even when moved quickly. Then, for no reason I can find, it will stop following ...