How to connect ESP32 Cam to LCD I2C
#include <LiquidCrystal_I2C.h> #define SDA 14 #define SCL 15 #define COLUMNS 16 #define ROWS 2 LiquidCrystal_I2C lcd(0x38, COLUMNS, ROWS); void setup(){ Wire.begin(SDA, SCL); lcd.init();...
View ArticleDynamic Encoder
Hi community, Question about encoders: would it be possible to increase the multiplier when I give long (or fast) rotations to the shaft, and decrease the multiplier when I rotate the shaft slowly?...
View ArticleBest sensor type to use?
Hey thanks for taking time to read, this is my first post. Im getting ready to start my first project and have an UNO kit with a few different types of sensors in it but Im not sure it has the correct...
View ArticleDivert RX and TX leds to digital outputs?
Hi guys, Quick question: how can I divert (or power simultaneously) the RX & TX led lights to digital outputs? Thanks 2 posts - 2 participants Read full topic
View ArticleQVGA 2.2 TFT SPI display white screen problem
I've been struggling to get my 2.2" ILI9341 TFT LCD Display to work. Despite following various tutorials and trying different wiring setups, all I get is a white screen. Here's what I've done so far:...
View ArticleDFRobot Voice Controller With Servos
Hello all, I am working on a project for an engineering course. It is a robotic hand that can be voice controlled to perform different gestures and signs. I'm still adding to it but I recently...
View ArticleHueDino with ethernet shield
Hi all. I'm needing to incorporate the HueDino library with my project to control my Hue lights. The current library code calls for wifi, which I am not utilizing. Would someone be kind enough to take...
View ArticleNano data logging shield and OLED
I have a Nano with an "online" data logging shield. It works fine when I reset the date/time. But then when I try to use a sketch that displays the date/time on a small OLED it gives just junk ---...
View ArticleEFIS Project Build
Greetings, I'm looking for a technician that can build me an EFIS for my experimental airplane. This stands for an electronic flight system. A basic package is all that I require. This request...
View ArticleArduino OPTA with RFID
Does anyone have any experience connecting RFID tags and receivers to an OPTA? I am looking to create a project with motor controls and rfid tags as sensors to relay data along with acting as a sensor...
View Article'SoftwareSerial' does not name a type; did you mean 'HardwareSerial'?
OK. In my ongoing, (so far totally unsuccessful) attempt to get some sound from my ESP32..... I'm wanting to connect to a DY-SV17F, to integrate into a working app, running an led strip controlled by...
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Repairing a damaged Mega
I accidentally damaged my Arduino Mega connecting the VCC to GND for a split second. Then I read somewhere that probably the fried component would be the 5V voltage regulator, which was in fact burnt....
View ArticleWiFi.Begin does not accept specified BSSID for Access Point when connecting...
Dear all, My intention is to connect my ESP32 to the strongest AP available in a WPA2 Enterprise network. I have the luxury to test my code as well in a WPA2-PSK version of the same network, however...
View ArticleP vs not-P --- video on computing limits
What I have seen before only touched on this. I expect others here know a lot more to tell!P vs. NP: The Biggest Puzzle in Computer Science 1 post - 1 participant Read full topic
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Arduino to DWIN Display communication issue
I have 5 inch DWIN display Model Number : DMG80480C050-03WTC connected to Arduino Uno When I connect RX TX to arduino I am able to get data but the data starts with 0000 instead of 0X5A The data in...
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Cleaning Up A Schematic
Hello All, I hope everyone is having a great day. I have no formal education in electronics but I have a schematic that I designed is EASYEDA. It's functional but to me it looks like a mess. I was...
View ArticleEncoder not working on Leonardo
Hello I am trying to use a Grove Encoder with a Leonardo board but it will not compile. I am using the basic 'Encoder Test' example. This works when I upload to an Arduino UNO (but only when I use IDE...
View ArticleAllowing User to Change Text Variables from SD Web Server
I've been researching this for days, reading a lot of tutorials (like this series) and forum posts, but I just can't quite wrap my head around the best way to do this. I have two Arduino Nano's that...
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Counter for color sorting project problem
Hi guys, I'm developing a color sorting project using arduino and python open CV. The colors of the objects(red,green,blue) will be detect by a web cam and the color of the object is send to arduino...
View ArticleIr signals not intefering with the next ir signal?
Hi there, so i'm creating an arduino car,and i'm gonna controll it with an ir reciever to recieve a remote signal,so what i'm trying to do is that i want it to recieve a specific signal like for...
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