Trouble whith reading data
guys save me processing code: import processing.serial.*; import controlP5.*; Serial port; ControlP5 cp5; int start = 1; void setup() { cp5 = new ControlP5(this); port = new Serial(this, "COM5",...
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Project not working
I am making a project of flame sensor this is the whole circuit Circuit diagram is And the code is as below const int buzzerPin = 9; const int fireSensorPin = 8; void setup() { Serial.begin(9600);...
View ArticleLed flashing 3 at a time
I am very new to this so bare with me please. I have a strip of WS2812B led, I have 30 led's on the strip, I would like to push a momentery switch and light up the first 3 in white for 1 sec then off,...
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Can 3v Buck Converter Ground Go To 12v Power Supply Ground?
I have a project with a few custom PCB driver boards driving 6 stepper motors each. The PCBs use both 12v and 3v. The screw terminals for the in/out power are rated at 10 amps and with each PCB...
View ArticleControlling 24v 73a motor
Hello, I am upgrading a motor from 12v to 24v that I am currently controlling with an Arduino. I am currently controlling it with a PWM motor controller and would like to stay there. I am not able to...
View ArticleHigh school final project
hello everyone, i'm new here. i am in my last year of high school (Belgium) so i have to make a final project. i decided to make an automated irrigation system based on an Arduino. to save money i...
View ArticleIs this a distance record for an OTA firmware update ?
Voyager 1 A mere 24,300,000,000km ? 4 posts - 4 participants Read full topic
View ArticleControlling a Servo With Ultrasonic Sensor Signal Using Arduino Code not working
Hello I'm new to this and found a project online. I put it together and pasted in the code. I get an error message saying Compilation error: #include expects "FILENAME" or It doesn't say what file...
View ArticleATSAMD51J18A-AUT can be programmed?
hello, Does anyone know If the ATSAMD51J18A-AUT Can be boot load with arduino ide? I know others versions of the D51 like the Grand central but unsure if this processor. Joseph 1 post - 1 participant...
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Button inputs cd74hc4067
Trying to fully understand what I need to interface the cd74hc4067 chip to a pro micro. This is a small section of the schematic but it is functionally the same just with three chips and 38 buttons....
View ArticlePulling pin closer to 0v
Hi there I am using an arduino nano evry to monitor a voltage from a current sensor and switch an output pin High when it is above a set threshold. This is to drive a probe input to the motion...
View ArticleInterfacing Dual-Channel ADC with Arduino for Wireless Projects
Hi everyone, I want to interface a dual-channel ADC (Analog Devices AD4632-16) with an Arduino that offers integrated wireless communication capabilities, such as Bluetooth, BLE, or Wi-Fi. I'm...
View ArticleCan you ctrl f on serial monitor
I have a liquid sensor and I want to find out the exact time when it activated, but I don't want to scroll all the way up and find it. It doesn't seem like I can ctrl f and find it. Does anyone have...
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Puzzled about the Wire library
I have several questions about the Wire library. I read this line in many sketches using I2C: #include <Wire.h> How can I be sure it's the buit-in Arduino library? I'm uncertain because if I...
View ArticleArduino uno as a programmer using updi
hello , is anyone here familiar with avr128da28 chip? i want to program avr128da28 chip using arduino uno as a programmer, anyone here can help? i tried to use jtag2updi but it gives me error when i...
View ArticleScrew Terminal Block Shield for Arduino
Any recommendations for a quality screw terminal block shield for Uno? I see there are a couple of options on Amazon, but none very reputable with the most reviews being only 160 and some of the...
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Cant set the Webhook for a thing, grayed out
Im trying to send a Webhook to another cloud platform by using the following link: https://api.datacake.co/integrations/api/4074155d-15d6-4cdb-8107-3f903d5e225d/ or...
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Help identifying and removing "phantom" resistor readings from my wiring
I am attempting to measure 3 individual resistors with one Arduino. I have been able to successfully use a simplified version of the code below to measure a resistor when using two electrodes, but I...
View ArticleLed matrix+Infrared (IR) Remote control Arduino uno
Hello, i m not so good at code. I use a 8x8 led matrix and a ir remote control. When i press 1, the led matrix should color <- , for 2 it's ->, and for 3 it's ! ..... after every button...
View ArticleAlternatives for API keys for Arduino IoT Cloud
Ok here's my problem. I am sending data to the Arduino Cloud service from an arduino nano. I need to access that data from the cloud via an app in order to display on said app. Every time i try to...
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