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HELP! How to connect Relay module to ESP8266?
I need help on how to do the connection or circuit using this component. It will be like the picture above but i don't know what should connect from pin to pin, please help! 7 posts - 5 participants...
View ArticleCreating pulses to servo motor on lead screw
Hi, Thoughts on creating a pulse train output for a step direction servo drive. Servo motor is 1000 pulse per revolution, lead screw is 5mm pitch, desired max speed is 180mm/sec or 36rps. This equals...
View ArticleUnojoy mega eror
my mega is now seeing uno joy how can i fix it 2 posts - 2 participants Read full topic
View ArticleMove a stepper using potentiometer's rotation
Hello! I'm trying to build a servo arm using Arduino and a rotating base using a stepper motor. Stuck on the last part, I'm using 28BYJ-48 5V, AccelStepper and trying to accomplish an accelerating...
View ArticleHelping me please
type or paste code here ```The screen will turn on and the Manu will open, the Manu will have 5 buttons, (1) press motor (2) PUMP MOTOR (3) SILING MOTOR (4) NOZEL MOTOR. (5) Enable automatic. (1)...
View ArticleSerial.println() Question
Hello everyone. Does Serial.println() function send both /r and /n special characters to the serial port or just /n ? Thank you !!! 4 posts - 3 participants Read full topic
View ArticleI need some coding help please
Im trying to do Project 6 in the Arduino projects book but I keep getting the same error and i could really use some help. here the error "Compilation error: 'SensorValue' was not declared in this...
View ArticleCustom Digital Cluster with Arduino
Im trying to make a custom digital instrument cluster for my 2004 Accord. I just want to know how the programming would look like and how I would get data from the CANBUS and show it on the display....
View ArticleESP32 CAM Driver Issues?
Hello I getting the following error message everytime I try to compile this sample WifiScan code: ERROR CODE Arduino: 1.8.19 (Windows Store 1.8.57.0) (Windows 10), Board: "ESP32S3 CAM LCD, Core 1,...
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Arduino Mega code for Analog Read Pushbuttons
Greetings. I am working on an Arduino Rotator Controller based on K3NG code in the GitHub repository. I have almost everything operational. ALMOST. The problem is that the code was orignally written...
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GRBL 1.1h fail to home X-axis for my Ortur LM2
My Ortur LaserMaster 2 controller failed so I decided to replace it with an Arduino UNO and CNC Shield V3.0. I've got it working nearly perfect with the exception of the homing command $H. Here is...
View ArticleWiFi isn't working on Uno WiFi rev 2
Apple Mac OS 14.4.1 Firefox 125.0.1 Arduino IDE 2.3.2 Arduino C++ Arduino Uno WiFi rev 2 #include "WiFi.h" void setup() { Serial.begin(9600); Serial.println("go"); WiFi.status();...
View ArticleCan't open "Open Configuration" on the agent
I cannot open the open configuration on the Arduino agent. When I click it nothing happens. I am on macOS. Thanks in advance! 2 posts - 2 participants Read full topic
View ArticleCustom bit rate for CAN bus
The CAN library initialises the connection with one of four standard bit rates ( BR_125k, BR_250k, BR_500k, BR_1000k). These are defined in ArduinoCore-API/api/HardwareCAN.h at master ·...
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Troubleshooting line follower robot
Hello! we're a student building a line follower robot. And we're using the following parts: TB6612FNG motor driver ESP32 WROOM (could've use arduino instead, but already got this one from previous...
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Invalid use of void expression
I get this error code invalid use of void expressions on line 18, any solution? 8 posts - 5 participants Read full topic
View ArticleGBRL issues while compiling
trying to use an Arduino to run my cnc machine, unfortunately whenever I try to compile it I wind up with these errors: In file included from...
View ArticleOLED DC Voltmeter
Hi This is a DC voltmeter program with a progress bar with 0 on the left. How do I modify it to have a voltmeter with 0 (zero) in center. Actually 0 corresponds to 1/2 Vcc = 3.3/2 = 1.65 V...
View ArticleBooks of the Bible
Hello, I am a Sunday School teacher and was attempting to come up with a creative way in teaching the Books of the Bible. I have a buddy with a CNC Router, so my thought was to have him take a piece...
View ArticleTrouble connecting to AWS IOT Thing using A-7670AS Modem and MQTT with ESP32
Hello all, I am working on a project that requires me to talk to my AWS Thing instance from my ESP32. I am using a lilygo board that should have all the hardware I need, and I have a fresh SIM card...
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