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Slight delay in digitalRead and writing to TFT display

Hi, I am using Arduino nano every to read BMS data and show it to a TFT display. Everything is working nicely but a small addition is bothering me. I am adding an external output to be read by...

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Portenta_MachineControl Encoders

Hello, I have a Portenta_MachineControl, and I have an encoder connected, using the example library, I am able to see the encoder pulses, however the encoder revolutions remain at 0, its as simple as...

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Version Control

Wanted to check if anyone knows of version control functionionality in the web editor ? Pretty fundamental feature to be lacking in the product if it hasn’t been created, looking for ability to...

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SDA and SCL reassignment Nano and Mini

Hya, by Nano and Mini, SDA and SCL are assigned to A4 and A5. Can those be reassigned? TIA 4 posts - 4 participants Read full topic

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MCP4018 breakout voltage drop

Hello community, I'm trying to use the MCP4018 5k digital potentiometer breakout board to control the voltage applied to a LED. I tried to characterize the LED as no datasheet is provided, but the...

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SerialRPC and Serial.print on PortentaX8

I am currently working with the Arduino Portenta X8 and am trying to get the serial communication to work. I tried using the py-serialrpc to forward the Serial.println output so I can debug the...

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How to scroll down/up a menu on a ST7920 128x64 LCD display ?

Hi, I'm working on developing a menu and I reached the part where I want to scroll down/up the menu but I don't know how. This is the code I'm working on: #include <U8g2lib.h> // constants...

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MCUFRIEND & Adafruit_gfx wrong button pressed

I am back to dabbling with my Arduino and TFT display. In my code below (based on the examples) when I push the Stop button the dwn button is shown as pressed and vice versa. I have been puzzling over...

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Writing on SD card using Arduino Giga

Hi all, We are using a Giga board for writing receiver data on an SD card. However, the Giga board has a lot of mistakes while writing. Do you have any solutions to overcome this issue? 2 posts - 2...

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L9110s dual H-bridge smokes

Hi, I was making this battlebot and when I soldered it together the motor "A" driver would make the motor move a little then it would smoke, pop, or stop working(I made sure no wires where touching)...

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React and ESP32

Hi, I want to have a website where I can see my ESP32 live, and read it's data and the sensors as well on that website, preferably a react application Is there an easy way to do that ? Thank you, 5...

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12v LED emergency back up light

Hey guys, I am wondering if anybody can help! I have a worm farm that needs constant light (doesn’t need to be that bright, just to keep the worms from escaping.) I have a 3hr emergency light plugged...

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My serial plotter has some weird langugage

how to solve my serial plotter problem 2 posts - 2 participants Read full topic

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LCD and LED wont work together

This project is to get a button turn a light off for ten seconds and then turn back on after that ten seconds elapsed, and then have my keypad do the same after entering in the password, but the...

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WiFi NINA via UART

Arduino's library WiFiNINA uses SPI to communicate with NINA W102 module. Is it possible to use UART and AT commands to communicate with NINA W102 on Arduino Nano Connect RP2040 board? 1 post - 1...

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Example sketch for AD7418

has anybody written a working sketch for AD7418 ? I have the datasheet but I didn´t get it working for some reason... thank you Tomas 2 posts - 2 participants Read full topic

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How to send npk sensors read using aurdino send to esp8266

I have read data from npk sensors to aurduino. But it is not send to the esp8266. i have made both code in same serial serial also but not working. mod bus we use: Specification & Features : •...

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Question regarding daisy chaining WS2812 5050 leds

I have created the PCB design to build large 7 segment display based on WS2812 leds (design attached). But now I am looking at the datasheet and I see capacitors for individual leds. The question is...

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TB6612 microstepping with unoR4

For your information I have developped a sketch to perform microstepping using a uno R4, a TB6612 shield and a 17HS4401 microstep motor. The goal was to achieve slow and very quiet rotation using...

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Portenta X8 Tutorial Serial RPC example not working

We are having difficulties in getting the serial RPC working on the Portenta X8. While debugging, we discovered that there is a typo in the example file available at...

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