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I am trying to collect data from a geophone using a UNO R4 minima as slave with a Zihatec shield, so that I can integrate it into a larger project on a modbus RTU bus. The signal from the geophone is ...
user36093's user avatar
  • 111
3 votes
2 answers
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I feel a little like I am back in 1975 trying to fit my code in 4K of RAM. I am writing some code for an ATTiny88, and the code is starting to get big, relatively speaking. I need to save every byte ...
LesRhorer's user avatar
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1 answer
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I am sending large texts from PC to Arduino over Serial and I cannot simply copy-paste it, as Arduino is not fast enough to process it on the fly. I need some flow control (probabely XON/XOFF) so ...
gilhad's user avatar
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1 answer
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I’m facing a persistent reboot issue on one of my ESP32-S3 boards after flashing a larger firmware binary. Here’s a breakdown of the problem: 🔧 What’s Happening After flashing my project (which ...
dev_eng's user avatar
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1 vote
1 answer
92 views

I'm using an Arduino Mega with a Bluetooth ELM327 adapter to read live data from my car’s OBD-II port — specifically RPM (PID 010C). The goal is to log data to an SD card or display it in real time. ...
tepalia's user avatar
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1 vote
1 answer
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In many Arduino sketches, especially beginner ones, delay() is commonly used to pause between actions. However, I’ve seen more advanced projects use millis() instead to handle timing. From a ...
Firdous Ahmad Mala's user avatar
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1 vote
1 answer
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I want to sample an ADC at very regular intervals. Right now, using millis/micros (which are driven by the internal RC oscillator), I'm off by around 3000 ppm, and it drifts. Here are some things that ...
Vulcan's user avatar
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1 answer
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I am a complete beginner. Are Arduino products really flaky? I've thrown together the circuit in the diagram - an MKR1010 in a relay shield. I've wired up 2 sets of sensors, an LCD screen and a motor. ...
Ephasius's user avatar
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1 vote
1 answer
64 views

Re debugging RISC-V CH32V2xx/CH32V3xx Is there a way to watch 'RCC_CFGR0', say, rather than '* 0x40021004'? eg. add definitions to GDB? (program compiled with -g option and optimized for debug, IDE 2....
Spehro 'speff' Pefhany's user avatar
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-1 votes
1 answer
210 views

I am using Arduino IDE 2.3.4 to program a XIAO nRF52840 Sense. I added the board using the instructions on the official getting started page. After installing the board in Arduino IDE, I open up the ...
paki eng's user avatar
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1 vote
1 answer
114 views

I added the Adafruit_GFX_Library to my Windows. I used Arduino IDE, Tools > Manage Libraries > Install. In preferences, Sketchbook location is set to d:\Alex\Hobbies\Electronic\Learning Arduino\...
Alex 75's user avatar
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I am experiencing a delay in receiving the HTTP POST request body when sending data over a TCP connection using the TinyGSM library with a SIM7000G and an ESP32 (LilyGo T-SIM7000G). Below is my ...
NRav's user avatar
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I am using a WeMos Wifi ESP8266 with a DHT11 sensor to measure temperature and humidity in my house and send them to SinricPro. Alexa then reads from here and uses them to answer to the question "...
Deffo's user avatar
  • 109
2 votes
0 answers
89 views

Is there a simple way to use the Arduino libraries in Atmel Studio 6 or 7? Already tried it with include path but thats a never-ending story. Looking for a precompiled .a file for the Arduino Due so I ...
michael86's user avatar
  • 21
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1 answer
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My use case is an ESP32-cam that serves two purposes: HTTP feed (accessed by a Raspberry Pi 5 which processes stream and provides a response) Servo Motor microcontroller: Receives response from ...
jmarywien's user avatar
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