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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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1answer
23 views

Program Upload Loading problem

Please help me about this program uploading problem. Arduino: 1.6.13 (Windows 10), Board: "Arduino Nano, ATmega328P" Sketch uses 930 bytes (3%) of program storage space. Maximum is 30,720 bytes. ...
-1
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0answers
27 views

TRRS breakout board connection to Arduino Nano

Is there any way to connect a TRRS breakout board to an Arduino Nano? The audio signal is going to be coming from my laptop which is an analog signal
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4answers
2k views

Arduino Nano Update failure - avrdude: stk500_recv(): programmer is not responding

Before I tear all my hair and teeth out, can anyone please help. I have tried googling an answer and have not found anything. My Setup: Win7 64bit Arduino 1.6.9 IDE freshly reinstalled COM14 port ...
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0answers
24 views

More than 3 SPI devices read by a single arduino

I've been working on a project that involves SSI Rotary Encoders from CUI. They are being read through the SPI interface, and I am bit-shifting appropriately to account for the differences between SSI ...
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0answers
18 views

Arduino based hour counter [duplicate]

I would like to make a hour counter for a particular machine.I have a problem in coding.arduino internal clock can work only till 49 days.my hour counter should calculate 150+ hours.I thought of using ...
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0answers
19 views

Arduino Nano with Arduin Nano Ethernet shield ENC28J60

I have connected the Arduino Nano with the Arduino Nano ENC28J60, and then I connect the Ethernet cable with the laptop and also the Arduino nano with my laptop to load the code and it works just fine....
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0answers
17 views

Linear speed measurment with Arduino [closed]

I need your help. I want to measure linear speed of a person who works on farming field in my project using an Arduino sensor but I have been confused to select the best sensor to measure speed with ...
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0answers
14 views

Sensor and Development board for Motor Current Signature Analysis [closed]

I have an IoT project for monitoring faults in induction motors. I am planning on doing Motor Current Signature Analysis on the motor but the problem is it requires 10,000 samples per seconds. Right ...
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1answer
21 views

nRF24L01+ Unable to set address

I'm trying to communicate between Arduino Nano and Arduino Uno using nRF24L01+. I tried using RF24 by ManiacBug and TMRH20, but when I open the serial monitor after uploading the Example Programs ...
3
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3answers
24k views

Powering up LED strip - How many amps?

I want my Arduino to drive a LED strip. The LED strip in particular is the 3528 non-waterproof type. To power this up, I need a 12V power supply. My LED strip is going to be 5 meters. Now my ...
0
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1answer
45 views

What is /dev/tty.usbserial-1420 [duplicate]

I'm a complete newbie with Arduino. I've bought a couple of Nano clones from China. According to supplier description, it is Arduino Nano V3.0 ATMEGA328P ATMEGA328 CH340. Not sure why they list both ...
3
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2answers
61 views

Interconnected Arduinos via digital pins and magnets

Before i get too far into the design phase of a project i have in mind, is there a way to connect arduinos in a non-master/slave manner to pass a few different combinations of HIGH/LOW (say 5) or '...
1
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1answer
222 views

Cannot obtain reading from meter (Modbus)

I have a system in which I am taking readings from a meter and processing it through an Arduino Nano. My code looks as follows: #include <SoftwareSerial.h> #define SerialControl 7 #define ...
0
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1answer
29 views

Arduino should check the same way like a USB keyboard or a USB mouse, if turned on notebook is connected

I have a USB HUB and have connected to it a USB keyboard and a USB mouse. As long I have not connected a Notebook to it those devices don't turn on. 5V is always turned on! So I could charge my phone. ...
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0answers
21 views

Setting up two arduinos connected to separate serial ports with wires in-between

I intend to have both an Arduino Nano and an Uno connected to a PC via the on-board USB ports, but have them inter-connected with wires from one's GPIO pins to the other's (one reads the status of the ...
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0answers
27 views

How can I use an MPU6050 with Arduino to measure linear speed?

I need to measure linear speed of a body which travels 1000 m forward and backward recursively. How can I use an MPU6050 with Arduino Nano to measure the linear speed of a moving object? (the object ...
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0answers
8 views

nRF24L01 and sim800L not working together

Good day, I would like to ask some help for my program code regarding the problem of nRF24L01 and sim800L. I have the code below #include <Sleep_n0m1.h> #include <Time.h> #include <...
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1answer
33 views

I2C potentiometer mess

I bought a few MCP4651 dual 8 bit I2C pots for a project. After browsing the arduino libraries and finding nothing,"No big deal" I thought to myself ... I've already written I2C libraries for other ...
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1answer
17 views

Dual power supply using Arduino uno and nano

I had a very vague thought. I was wondering if I could I create a dual power supply using an Arduino uno and a nano. Can the ground terminals of both the boards be shorted and the 5 volt terminals be ...
1
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1answer
172 views

How to chose softserial library use on Arduino project?

I want to do a project that has multiple Arduino communication through UART, that project project one of limit is using Arduino Nano (small and cheap). I need to set 4 serial port instance on Nano to ...
0
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1answer
123 views

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 ...
0
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1answer
26 views

Specific formatting of floats and converting them to an array of chars

I have an oled display which can only display 4 digits + decimal point. I need a way to format the number into 4 significant figures; Then I need to convert that into an array of 5 chars (4 digits and ...
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1answer
45 views

ATTiny85 I2C connection with Arduino Nano

I am trying to send and receive data using I2C between an Arduino Nano and an ATTiny85. The ATTiny is mounted on this board: Link I've tried to reach the slave with the simple I2C scanner, but I don'...
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0answers
35 views

ATMega328 AU bootloader burning issue using Nano

We are trying to burn bootloader into ATMega328P-AU SMD. We have taken the reference of the link and did the same. We checked wire connections and all looks fine and we tried with two chip with two ...
-1
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1answer
35 views

Outputting 400 mV using Arduino Nano PWM pin

I am trying to output analog voltage (400 mV) using Arduino Nano PWM pins. Is it okay to directly connect (using jumper wires) the PWM pins to the Vin+ of the INA219 current sensor? I badly need it ...
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2answers
44 views

Choosing a motor for my project [closed]

Sorry For my bad English. I will start to make a mini conveyor (100 cm x 30 cm) with an Arduino Uno. What is the best motor should I choose for my project ? - Stepper Motor ? - DC Motor ? Etc. ...
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3answers
8k views

Cannot upload sketch to Arduino Nano

I've been using Arduino UNO for quite sometime and brought a new Arduino Nano. When I connected it to my computer, the power usb lit up and the blink sketch started running ( as expected of course). ...
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1answer
15 views

Is it possible to connect miband2 and arduino nano (?)

I want to make an IOT project using an Arduino nano and I need heart rate sensors. I I have a miband2. So, is it possible to connect them ?
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0answers
16 views

nRF24L01 multiple node ping pong example

I have used simple ping pong example found in maniacbug library. I am using Arduino nano + nRF24L01modules. With this I have one transmitter and two receiver. transmitter sends data on channel zero ...
2
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2answers
77 views

Risks when commanding multiple chips with same address via I2C

I know that I2C devices are supposed to have unique addresses when used. What if I still use multiple devices with the same address, what can go wrong? Let me describe the situation: I have multiple ...
-3
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0answers
22 views

12v relay using arduino [duplicate]

I want to control a 12 V relay using an Arduino 5 V signal, but due to some unknown reason the relay does not work. I am using a BC548 transistor as a switch for relay.The relay only triggers when I ...
-1
votes
1answer
43 views

12 V relay using Arduino [closed]

I want to control a 12 V relay using an Arduino 5 V signal, but due to some unknown reason the relay does not work. I am using a BC548 transistor as a switch for relay. Please suggest where I go wrong....
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1answer
18 views

Negative currentmA and Shuntvoltage

Why is my INA219 current sensor gives a negative currentmA and Shunt voltage? My sensor is connected in a glucose test strip connector. The current is from a glucose biosensor? Is it possible that my ...
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2answers
62 views

Memory problem? dtostr() and strcat()

I've been dealing with this for quite a while now and searching all over for answers.. I'm trying to put together two floats into a char*. Seperated by a ",". This is the code I'm working with. #...
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0answers
30 views

How to power an Arduino Nano without mini-B USB port?

I'm new to Arduino. I want to power my Arduino Nano with an external DC source, not with already attached mini USB port. I tried, but fail. Please help me to understand it. Thank you.
7
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5answers
7k views

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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2answers
44 views

what can be maximum number of vertical columns that can be chained using shift register for an led dot matrix using arduino nano [closed]

I have made a 8 x 24 led matrix using shift registers and I want to increase the columns that is 24 x 24. Can I do it using shift registers or is there any limitation in expanding rows?
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0answers
34 views

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 * ...
2
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1answer
68 views

I need help with U8GLIB library

I have a project which uses a 128x64 oled display. I have to use the U8GLIB as the available displays change from SSD1306 to SSH1106 depending on when you buy it which that library covers both ...
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0answers
19 views

Arduino Nano driver not installed

I just bought a new Arduino Nano but the problem here I have is that when I connect it to my computer the windows popup says driver not installed. What do I do?
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1answer
48 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, ...
3
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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 ...
-1
votes
1answer
56 views

How to use millis instead of delay on Arduino for independent time intervals for two output pins

I wanted to use millis for the code below but stuck in between . can anyone help to change the given code to millis? Code here: void set(){ digitalWrite(on, HIGH); // turn the motor on (...
0
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0answers
11 views

Trouble with upload arduino nano board [duplicate]

I have a problem with the project 'ugly bug'. As I load my program I get the note stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x40' Has ...
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0answers
14 views

How can I power up my Arduino Nano for project of Rocket Data logging?

I am building a Model Rocket for which I need arduino nano to log data.But,I dont know how to power it up once it goes off the ground.Can anyone explain?
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1answer
34 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?)....
3
votes
1answer
3k 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 ...
0
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2answers
111 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 ...
0
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0answers
54 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 ...
0
votes
1answer
79 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....