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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What's the difference between all the Software Serial Libraries? Which one is Arduino Nano compatible?
There are so many Software Serial Libraries, what are the differences between them? And which one I can use with my Arduino Nano? For my Arduino Nano I need one Hardware Serial Port and one Software ...
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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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How to change baudrate of ESP8266 (12e) permanently?
IMPORTANT: DO NOT USE AT+IPR=9600! (see update)
I have an ESP8266 12E module that communicates at 115,200 bauds. Since I use it with an Arduino Nano with SoftwareSerial things get messy. So I found ...
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nRF24L01 continuously reading closed pipe
I am testing communication between two nRF24L01 modules. The receiver is getting the transmitted message but is also continuously reading (null) data from a closed pipe? I am using the RF24 by TMRh20 ...
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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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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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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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Arduino Nano v3.0 with ESP8266
I am attempting to connect and use an ESP8266 board with my Arduino nano v3.0 and I am not have much luck.
I have read a bunch of tutorials and articles, the most recent is http://elektro-blogger....
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Does SoftwareSerial use hardware timer?
I'm asking this because I'm using a timer to generate a 38KHZ signal to drive an IR diode, and I also need to use SoftwareSerial to talk to an HC-12 radio using serial communication.
The code I'm ...
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Arduino slave with 2 masters sharing the same I2C Bus?
Consider a scenario where two (or more) master devices (the NodeMCU's, in this case) share an I2C bus with one (or more) slave device(s), like thus:
Would this be a feasible setup? In other words, ...
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NRF24L01+ (TMRH20 library): Receiver gets blank data
I am working on sample Arduino project for communication over NRF24L01+ (TMRH20 library), everything is working fine with my example except one issue my Receiver gets message but that message is blank....
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What could make an LCD stop working permanently after being connected for 5 seconds to Arduino?
I was using a 20x4 LCD connected to Arduino Uno via a common I2C adapter board. Everything was working perfectly, including the LCD. I had it running like this for a couple of days without any ...
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What kind of USB cable do I need for my Arduino NANO 33 BLE W/ HEADERS?
I have recently purchased an Arduino Nano from the main site, but it did not come with a USB cable for programming it. I have also checked out the Arduino site and there was no reference for what type ...
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4WD rover not moving
I am trying to make a 4WD vehicle. I have uploaded the code, all connections are OK and I have used L298N and HC-05. But when running the Bluetooth app, the motors do not rotate. I tried with both an ...
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Most compact method of powering Arduino from wall socket
There are a lot of methods to power an Arduino from a large range of voltages:
USB cable from PC or from a phone charger or an USB hub
step down converters
step up converters
switching power supply
...
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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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Arduino Nano no serial port for MacBook Air 2013
Problem
I have an Arduino Nano connected via a USB cable (Type A to Mini Type B) to my MacBook Air (Mid 2013 Model). The PWR LED is on while the arduino is connected.
Opening the Arduino software, ...
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Setting serial number on CH340 USB-Serial device
Reading http://playground.arduino.cc/Linux/Udev there appears to be a way to write out to a FTDI USB-Serial EEPROM to set a given SerialNumber, allowing you to identify a given nano/other arduino to ...
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Are there any reasons to pick Nano over Micro?
Nano is from 2008, and micro from 2012. Micro seems better on every parameter, in particular in having a better (I think) microcontroller, ATMega32u4, over ATMega328P.
However, all the shops I've ...
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Arduino Nano not visible in Serial Ports (Mac OS)
I have used by Arduino countless times over the past few years and only after installing an update to Mac OS Sierra did the device stop showing up under the Serial Ports. Now only tty-bluetooth shows ...
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Max current of Vin and 5V pin on Arduino Nano
What is the max current of the Arduino Nano's Vin (30) and 5V (27) pins?
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Arduino-based mains frequency monitor
I'm looking to put together a simple mains frequency monitor based on the Arduino platform. The mains here are 250 V @ 50 Hz, but obviously these fluctuate slightly, which is the whole point of the ...
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Using / calibrating pH sensor module
I've bought this sensor module board to link to an Arduino nano: http://www.ebay.com/itm/For-Arduino-Liquid-PH-Value-Detection-detect-Sensor-Module-Monitoring-Controller/321764233326
I assumed the ...
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How to measure the supply voltage of Arduino without using an analog pin
I'm using Arduino Nano to measure temperature with a 10 kohm thermistor and a voltage divider. My problem is I'm getting only 4.2V on the 5V pin. The power is supplied via a USB cable from a desktop ...
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Arduino Micro just blinks, won't connect to PC
Edit - Sorry it's a Micro not a Nano
I have a Micro board hooked up to an EasyDriver breakout using its 5V output to power the Micro.
Today I plugged it in and instead of booting up like normal the ...
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Arduino Nano - programmer is not responding
I cannot seem to upload the simple blink program to my Arduino Nano. I keep getting the message:
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in ...
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Problem with serial driver for CH340G board
I bought a USB Nano V3.0 ATmega328 16M 5V Micro-controller CH340G board For Arduino and tried it with Arduino 1.6.6 on my MacBook Pro running OS X 10.11.1
The USB serial could not be seen. I searched ...
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Precision voltmeter using Arduino
I am newbie, I need to measure precise voltage in range 0.00-0.80V, two digits precision.
The voltage will not be greater than 1V-1.2V.
I wonder if I need divider or not, I am sure that voltage ...
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How do you get 2 PWM pins to inversely bitbang at 25 KHz on a Nano?
I need 2 PWM pins to oscillate at 25 KHz but they need to oscillate inverse to each other. When one is high, the other must be low and vise-versa.
I want to do this with a Nano.
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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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Arduino Nano with CH340 reboots on OS X El Capitan
I installed OS X El Capitan beta on my Macbook. Now my Nano-sized Chinese Arduino operating on CH340 chip reboots the laptop when USB is unplugged. While plugged, it works fine, I can upload sketches ...
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PWM multiplexing on Arduino nano
simulate this circuit – Schematic created using CircuitLab
Its a simple project. I am trying to drive 3 RGB LEDs using Arduino Nano. Since Arduino Nano does not have 9 PWM pins, the only ...
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Arduino Nano problems with ESP8266
this is my first post here because I'm a bit lost at the moment.
I currently have my ESP8266-01 hocked up to the Nano like this:
The issue I'm having is that it won't even turn on, only when I'm ...
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Interrupts Problem with Flow sensor
#include <Wire.h> //I2C lib
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
// LCD lib
LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
const int pot_pin = A0;
const ...
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ESP8266 disconnects after relay switch
the aim of the project I'm working on is to water my bonsai automatically, depending on numerous sensor inputs. So basically I have Arduino Nano with huminity and light sensor, a relay to switch the ...
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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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Can't reprogram Arduino on protoboard (perfboard), but could program the same circuit on breadboard
So I have a circuit that works well when it's on a breadboard and without removing any pins I'm able to upload sketches, but for some reason when I transition it to a protoboard I can no longer upload ...
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How can I use my Arduino sketches on my Raspberry Pi IDE?
I have installed the Arduino IDE 2:1.0.5 on my Raspberry Pi3 under Raspbian and am using a cobbler breakout which provides a nice breadboard. On that breadboard I have installed an Arduino Nano to do ...
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Change Interrupts on the ATTiny 88
I am working on a project that requires a number of I/O pins for various purposes. I chose the ATTiny88 because it has plenty of GPIO pins, and is relatively inexpensive.
Here is the updated code per ...
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Arduino Every 25k PWM signal
I have written a class for generating a 25khz pwm signal for the Arduino Nano. This works great (pin 9 and 10 only) on the Nano. I want to switch to Arduino Every; this code does no longer work (the ...
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Risks of ftdi_eeprom? - TX always high after flashing
I flashed an Arduino Nano compatible with ftdi_eeprom and the following config:
vendor_id=0x0403 # Vendor ID
product_id=0x6001 # Product ID
max_power=0 # Max. power consumption: value * 2 ...
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Can't get "Burn Bootloader" working - Arduino Nano
This is a follow up from a previous question. I have one Nano working perfectly (I think) (Nano A) and another one (Nano B) which seems to be working but has no bootloader. So I am trying to use Nano-...
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Arduino Nano with Mac OS Yosemite 10.10
I have an Arduino Nano and I’m trying to use it with Mac OS Yosemite (10.10). However, I’m having issues with the data transfer between the computer and the device. The Arduino is powered (LED is ...
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Problems uploading with a new Nano
My first post - I am a relative newbie.
I want to make a smartcontroller for my boat - I have built the electronics and written and tested a sketch for the Nano, all working totally fine. I then ...
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How do I measure the analog PPG signals from my Arduino Nano that's wired up to the Heart Rate 3 Clicker
I'm trying to find a code that would take the PPG signals from the MIKROE-2036 Heart Rate 3 Clicker and process the information through the Arduino Nano to find a person's Oxygen Saturation. Basically,...
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Combining sketches
I have two codes for my to sensors and they work separately. However, I need to combine them in one program please can you help?
The pulse code
/* PulseSensor Starter Project and Signal Tester
* ...
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Substring: What is causing my output to be truncated?
I suspect that I might be using too many resources, because of the strings, but I am new to Arduino, so not sure where I am going wrong. Any help would be appreciated.
What it should do when complete:...
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USB FT232 driver on M1 mini
I've scored a couple Nanos with FT232RL chips but can't see them on my brand new M1 mini. Can someone point me at how to determine whether v11.1 supports this USB chip?
It appears that the device is ...
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Interface a mobile phone's finger print scanner with arduino
Is it possible to salvage a fingerprint scanner from an old and dead smartphone and use it with Arduino? I am not talking about writing an android program and send data to Arduino over Bluetooth or ...
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Can the Arduino (Nano) bootloader be updated via itself and the Arduino IDE or is an ISP required?
I ran into the following error with a recent Arduino IDE version (1.8.9) when trying to upload to an "Arduino Nano" clone (ATmega328P):
avrdude: stk500_recv(): programmer is not responding
avrdude: ...
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