Compare a string from serial input
A string that is coming from the serial port has te match a certain value. But it never appears to be . here you see my test script. Why does it not work whan i hive "hello" in the serial? void...
View ArticleOlimex EKG/EMG Shield setup
Hello I am trying to figure out how to use the Olimex EKG/EMG shield to interpret ecg readings. Within Olimex's documentation they refer to Elecguru which works only on Windows but I need an...
View ArticleFailed to read ROM table via AP 3 - Failed to start GDB server
I've seen this issue in a few places. Some with solutions, none of which have worked for me. I am programming the Portenta H7 via a Portenta Breakout board with an ST Link v2 (please don't direct me...
View Article1-wire protocol for generator hardward
Howdy, Working on my first big project and trying to determine feasibility using the Dallas/Maxim 1-wire protocol to read/transmit/duplicate sensor values to a generator controller Details: I have set...
View ArticleTinyGPS++ for NEO6m GPS and SIM800L using Arduino Nano
Hello, I need help in building a device that in one press of a button, it will give a gps coordinates through SIM800L software serial. I am currently use software serial for SIM800L and hardware...
View ArticleConnecting a stepper controller to a Arduino uno wifi
I am a beginner. I am able to get a servo motor working but can't get the stepper working. I need to confirm the wiring. How to wire a stepper controller. I am using Digital Stepper DM542T to a uno4...
View ArticleGPS CLOCK date changing problem
I put together a GPS clock using an Arduino Pro-Mini, AI-Thinker GP-02-Kit GPS module and LCD display. I display the Time in hours/minutes/seconds AM/PM, plus the Date in day/month/date. The problem...
View ArticleNano Every power issues
A novice here so be kind. I think I've resolved my problem but open to advice and maybe this will help others with the same problem. I have a simple project based on a Nano Every. The project is...
View ArticleAnimated Snorlax for ssd1306 0.96" 128x64 display
Hello everyone. This is not really a problem, more like sharing a neat code with you all. This is a code that displays animated Snorlax on classic ssd1306 0.96" 128x64 OLED display. It may not seem...
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Can ESP32 control two chips at the same time?
The aim of my research is to recover the waveform of a human heartbeat using an IMU, I am currently at the stage of data acquisition and preliminary signal processing, I want to assess the quality of...
View ArticleNeed Help A9G connect to internet
We're making our project a smart watch and we use A9G but apparently the command that we use to connect to internet AT+CGDCONT=1,"IP","APN" can't proceed or even it doesn't work. and also what can you...
View ArticleHow to use a scr with arduino?
Hello, I have a project for a 2t motorcycle CDI. In a quick summary of how the CDI works, it takes the electrical voltage generated by the stator, stores it approximately (400v) and discharges it to...
View ArticleCharging external power source through an Arduino board
Hello. So I was just wondering if I can charge an external power source (like a 18650 battery) when I connect the Arduino UNO in a USB port. So the scenario will be where the batteries will charge...
View ArticleSeeking advice on how to connect many input and outputs
Hi everyone, I'm new to electronics and starting a new project that involves handling analog input from over 50 switches and controlling 50 or more NeoPixels based on these inputs. This is the...
View ArticleHelp with fine tunning the already written program
Mod edit: This topic is a continuation of I2C freezes when more sensors are interfaced with arduino I decided not to merge them as I thought it would be clearer just to provide links between them....
View ArticleUsing Nano Every with Nano data logging shield
I'm using BME280 and PMS5003 particulate sensors and an ILI9225 TFT display. Without data logging, this system works fine on a a Nano. But, adding data logging code to such a system is too large to...
View ArticleBoard not recognised in Linux
Hello, My Arduino UNO R3 is not getting recognised in the IDE (v2 (via flatpak) & 1.8.19 (via apt)). How can I solve this? OS: Kali Linux (64 bit) 8 posts - 3 participants Read full topic
View ArticleGetting UDP.h to Work
Apple Mac OS 14.4.1 Firefox 125.0.1 Arduino IDE 2.3.2 Arduino Nano ESP32 Arduino C++ I am trying to get a minimal program going to prove UDP works, unsuccessfully. So far I've tried AsyncUDP and...
View ArticleTrouble with getting enough voltage for the Arduino and Relay
My circuit consists of Arduino connected with 5V 4 Channel relay via the 5V pin and ground to ground. The relay is connected to two 12V linear actuators and on that side, we connected the relay to the...
View ArticleHow to use sh1106 driver
can anyone tell me what changes should i do for implementing sh1106 driver //shikhar's pgm //github- brute sk //instagram - shikhar4436 #include <SPI.h> #include <Wire.h> #include...
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