How to check if a String is different from multiple values at the same time
Hey, I have a String and I need an LED to light up only when this String is different from the values A,B,C,D,E,F String value; if(value != "A" && "B" && "C" && "D"...
View ArticleIssue with SBUS Signal Transmission on ESP32-CAM Using SoftSerial
Hi all,I'm using the ESP32-CAM to recognize QR codes, and everything was working perfectly until I started using SoftSerial to transmit the SBUS signal. I can receive the SBUS signal via RX2, but for...
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Issue with some SD Cards when used with another SPI Device
Summary: The MISO output of this board is always active, regardless of the CS state. Because of this any other devices on the SPI buss will not be able to communicate back to the master. Alone this...
View ArticleEsp32 and ov7670
im new to all this and this site. just switched over from arduino to esp32 for this next project due to processing power. im attempting to have a flashlight track movement but starting withy a lazer...
View ArticleBuiltin:serial-monitor not found
Hi, Recently upgraded to 2.3.2 from a 1.x version, havent use my arduino in while. I see that the serial monitor is now at the bottom instead of a separate window but i get an error of Monitor...
View ArticleESP8266 Arduino IDE Detection of end of HTTP header
Hello, I have a file that resides on my website it is HTTPS enabled. The file is a simple ascii text file containing text. I want to read the file via ESP8266 12F module. I have it connecting ok using...
View ArticleProblem with analog comparators in the program
Hey guys! I have a problem fixing an error that appears in this program. Its function is to activate and control the speed of a Brushless DC motor. /* * Sensorless brushless DC (BLDC) motor control...
View ArticleDisplaying data from multiple processors on local network
Has anyone ever polled multiple processors from a local area network and displayed that data as one webpage display grouping? I have multiple UNO Wifi Rev2s and ESP32s on my homestead LAN. Could you...
View ArticleNon-linear to linear transformer
Hello, for a project I plan to measure force with moderate accuracy using the RP-S40-ST force sensor; however, its response is not linear and has a rather steep curve that does not allow for precise...
View ArticleI need help making a remote control for a 4wd robot car kit
I bought one of those kits that includes two acrylic sheets for a body, with a bunch of motors, etc. but no control circuitry. I've got the motor control sorted out and have options for navigation,...
View ArticleArduino Detected but no Serial Port is opened
I am on linux, NixOS specifically. Yesterday I was using my Arduino mega and everything was working perfectly fine. Today when I plug in the Arduino no serial port appears for me to connect and upload...
View ArticlePassword change system not working
Hey. I am working on a project for fun with different types of sensors and stuff. It's sort of like a mini smarthome box to test stuff with. I am currently working on the password system, and my...
View ArticleEsp_netif_type.h no such file or directory
hello, in my IoT project, when i compiled the sketch this error 'esp_netif_type.h no such file or directory' was obtained. Any help to solve it please? i am using these libraries that are installed...
View ArticleWireless Opta Slack Messages
I had code working a few days ago, now I just get 301 errors from slack that the url has moved. There is nothing different from slack on the url, i have checked my webhook info. This is running on the...
View ArticleHow can I use the RFID Reader Module RDM6300 with an Arduino
How can I use the RFID Reader Module RDM6300 with an Arduino to read RFID tags and display their IDs on the Serial Monitor? I followed an example code, but I am not getting any output on the Serial...
View ArticleI2c accelerometer voltage
Hello, I’ve recently purchased an i2c compatible accelerometer and am wondering what values SDA, SCL and any other pin on the Arduino/sensor should be outputting as I’d like to test it with a...
View ArticleSupporting PCIe with Vidor4000
Does the Vidor4000's Cyclone 10 LP support PCIe? I have searched thru Intel web site. Seems that the minimum requirement is Cyclone 10 GX. Am I right? 1 post - 1 participant Read full topic
View ArticleHELP Compilation error: exit status 1 can't figure it out
Working on a 3d printed ironman helmet project I found on thingiverse.com (Iron Man Helmet, Articulated, Wearable by Boxandloop - Thingiverse) and I'm working on setting up the arduino nano every I'm...
View ArticleList of plugins compatible with Arduino IDE 2.0
As a suggestion, there could be a list in some repository with plugins compatible with the Arduino IDE 2.0. The ones I know are: arduino-littlefs-upload: LittleFS loader; WakaTime for Arduino IDE:...
View ArticleHelp choosing buck-boost voltage regulator
Hi, I'm not quite sure if this is the right place to post this question. I need help choosing a buck boost voltage regulator. Key details that I need: Vin = 3v+ Vout = 5v Output current = 2A min...
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