Can the Arduino nano run code false
I just work on my project which is the air quality device, i upload the code and it run correctly at first. Then i make a some kind of mistake and the arduino have some problem, it smell like burned...
View ArticleTools:Port grayed out
When I start the Arduino IDE 1.8.9 or 2.3.0 on Windows 10 and open the Tools tab, the Port button is grayed out, and that doesn't change when I plug in a working Feather. (I have 8 Feathers that work...
View ArticleArduino to replace AY0438
I have a board that uses a AY0438 and 4,7 segment displays I want to replace with a nano so I can record the data or transmit not sure on which yet. Does anyone have any idea how I should go about...
View ArticleCode for incrementing and decrementing values
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View ArticleSensor Mapping Error
Hello to everyone, I am using a sensor connected to adc1 channel of ads1115. Data of ads11115 is received at ESP32. Output of sensor is 0.4 Volt to 2.0 Volts for 0 to 250 ppm. I am using the following...
View ArticleIs possible midi communication to female USB 2.0 jack
My Synth has USB type B 2.0 female jack to connection for pc Midi jack Can I receive and send midi data from Arduino mega 2560 pro board to this jack If possible how connection, what library to use???...
View ArticleWS2812B LED Strip Turning On Without Ground Connected
Hey everyone, so I have an old WS2812B 5V LED strip I am wiring up to an ATMEGA328 Arduino Nano. It has three wires: red (5V), green (DATA), and white (GND) I connected to 5V, D2, and GND on the Nano...
View Article2 LCD screens One Arduino
I am interested in having two different images appear on two different screens coming from one arduino. However, I am having a lot of issues editing the library codes to be able to do this. Right now,...
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One way serial communication for audio module
Hi. I bought this audio module: It’s a DFPlayer Mini. It has two serial communication pins, TX and RX. I was wondering if I can make it work with only one pin so i just send the commands from the...
View ArticleMy arduino keeps giving me this error. used to work fine before
avrdude: ser_open(): can't open device "\.\COM6": Access is denied. Problem uploading to board. See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions. 1 post - 1 participant...
View ArticleHow to use LPCOMP to wakeup arduino ble nano 33?
I am trying to use LPCOMP peripheral on arduino nano ble 33. I did not find any examples for it for arduino so went on to exploring and this is the code I made for testing. #include <Arduino.h>...
View ArticleMay I ask about the voltage drop across a diode?
I have a small board powered by a button cell battery. The voltage range for the microcontroller on the board is 1.9V to 5.5V, while a single battery provides 3V. This leads to quick battery...
View ArticleKeyboard HID vs serial comport for Sensor values on pico
Hello, first time. I'm trying to get values from analog sensors connected to a raspberry pi pico. That pico is plugged into a rp5 where I want to read those sensor values in Pure Data. Question-- to...
View ArticleESP8266 wifi module problem
Helloooo friends, I am putting one of the uncommon problem I am facing on ESP8266. I have made my own home automation system consist of 3 switchboards using arduino Nano with the ESP 8266. The Wi-Fi...
View ArticleStore and compare strings that can have different lengths
Hi Community, I have a callback function, that receives messages from an MQTT Server where the ESP8266-Module, the code is run on, has subscribed to. The code: void callback(char *topic, byte...
View ArticleNRF24L01 works on nano but not on uno
Hello! I'm currently working on a project that uses 3 nrf modules. I was testing a simple send and print code for single fixed role nrf but noticed that it wasn't working. Searching through yt, i...
View ArticleSerial Monitor scrolling up to bottom problem
Hi I am currently using arduino IDE 2.3.2 version on Windows 10 and have a problem where Serial Monitor outputs lines from up to buttom while the oldest line remains on top. In order to see the newest...
View ArticleHexapod Hiwonder program code
Hello, I bought a Hiwonder Hexapod, - it's a big and powerful machine . I am looking for other owners of this robot to exchange experiences. Sorry for the english (google translate) 1 post - 1...
View ArticleHey everyone i want to make my lcd I2c display show something when i push the...
#include <LiquidCrystal_I2C.h> #define LCD_ADDR 0x27 #define LCD_COLUMNS 16 #define LCD_ROWS 2 int button = 4; LiquidCrystal_I2C lcd(LCD_ADDR, LCD_COLUMNS, LCD_ROWS); void setup() { // put your...
View ArticleArduino Uno R4 minima with sensor IMU UM7
Hello arduino users! I have been starting the project with Arduino uno R4 MINIMA with sensor IMU UM7. The recently problem is not about cannot reading value, but it is the speed of updating value...
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