The loop speed of mkr wifi 1010 is too slow
https://learn.sparkfun.com/tutorials/smart-home-expansion-kit-for-arduino-101/experiment-9-using-a-current-sensor Unlike the link, I used mkr wifi 1010, sct-013-000. The rest of the configuration is...
View ArticleArduinomed.com Web Portal for Biomedical Instrumentation
Arduinomed.com Announcement I write to announce the launching of a free Web Portal at arduinomed.com. This online educational resource is dedicated to exploring the Arduino microcontroller platform...
View ArticleESP32 CAM Can't Connect to Wi-Fi
My ESP32 CAM (Aliexpress link: https://www.aliexpress.com/item/1005003804757059.html?spm=a2g0o.order_list.order_list_main.81.2ba01802biG77w) can't connect to Wi-Fi. I've tested the CameraWebServer...
View ArticleWiring limit switches
Hi, I am researching how to use limit switches in my project. I found a basic wiring diagram in the Arduino getting started site, and it shows the limit switch is connected across pin 7 and ground....
View ArticleESP 8266 OTA capable?
I purchased some inexpensive ESP 8266 boards and they are not showing up as OTA capable in my IOT Thing Sketch "dashboard." I have some ESP 32's that show up as OTA capable and my nano 33 IOT, does as...
View ArticleLove the Triggers! Thank You!
I have been waiting for triggers for two years! I have several temperature/humidity sensors deployed in my student housing properties. Now I can set alerts for when temperatures get below 50F in the...
View ArticleGas Sensor MQ135
Hi everyone, let me ask bro, I'm using an MQ135 gas sensor, if I use the map() function to determine the ppm, is that possible? because I couldn't find a calibration method that I can understand and...
View ArticleGames controller not working correctly
Hello, I'm using an atmega32 board as a games controller for a Raspeberry Pi4 running Retopie/MAME games. I've tested the board on my PC and all inputs seem to work fine but when I plug it into the...
View ArticleDeleting code in sketch doesn't change outcome
` // define the LED digit patterns, from 0 - 13 // 1 = LED on, 0 = LED off, in this order: //74HC595 pin Q0,Q1,Q2,Q3,Q4,Q5,Q6,Q7 byte seven_seg_digits[14] = { B01111010, // = D B10011100, // = C...
View ArticleNeed some help with Led matrix
Hi. I'm trying to display on multiple led matrixes (6 8x8 and 2 8x32) connected in a line using an arduino nano but i have nearly no idea how to begin with the programming. I kinda understand how the...
View ArticleSupport for the "ESP32 BLE Arduino" library
I successfully used the ArduinoBLE library with the Arduino Nano ESP32 in the past. But today I'm trying to use the ESP32 BLE Arduino library instead (now part of Arduino core). Is there any obvious...
View ArticleEstablish communication with OneWire probe DS18B20 using IO of an IO...
Hi all, In our STM32L082 based board we use PCA9574, as we do not have enough pins in the micro-controller. We have to use one of the IO pin of PCA9574 to establish communication with One Wire probe...
View ArticleDownloading from Arduino uno
Fairly new to Arduino coding. I have created a sketch which is running very well on my Arduino uno. Problem is I have lost the file I created in a computer glitch. Is there any way I can download the...
View ArticleMaking a dual button press more forgiving and long press functionality
I've created a simple midi preset controller that scrolls using separate up and down foot switches. When both are pressed at the same time it sends a different program change, however i'm find it...
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MAX7219/encoder shield for Arduino Nano
Hello all, I just received the prototype of this board but can't get it to work. The project is a Nano Shield for controlling two MAX7219 that are connected to a 5 digit common cathode display each....
View ArticleBuilt-in orange led flashing 4 times fast and 4 times slow
Hi, I have a problem with my arduino nano rp2040 connect. When I upload my code to it, then the built-in led starts flashing 4 times fast and 4 times slow and the board doesn't respond anymore, I...
View ArticleArduino crashes when I upload my sketch, than the port is not available anymore
Hi, I have a problem with my arduino nano rp2040 connect. When I upload my code to it, then the built-in led starts flashing 4 times fast and 4 times slow and the board doesn't respond anymore, I...
View ArticleOptions for the DO...While command
Is "Do loop() While digital 1 ==H" a valid statement"? Is it possible to bypass a specific loop() and go to another loop() ? 9 posts - 5 participants Read full topic
View ArticleLightning on a magic book
Hello everyone. This is my first post so I hope to respect the forum rules. I discovered Arduino while creating a sound book project. I press a button, it makes a sound, I press another button, it...
View ArticleCode for a jdm talk box
Howsit guys. I am very new to arduino and coding. I was wondering if some one could help. I am looking at making a JDM syle talk box/ melody box. With a 2 button control to cycle through a list of...
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