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How to connect two wires to the same port
As shown in the image, two wires are connecting to the same port. Just wondering, how do you do this? If anyone could help, explain, or give a tutorial, it would be quite helpful. 10 posts - 6...
View ArticleCómo no sobrepasar la carga en una placa arduino mega
Hola! tengo unas 2 semanas programando en arduino. A la fecha, ya eché a perder una placa arduino UNO, me quemé con el cautín y me magullé un dedo con las pinzas. También he hecho algunos proyectos,...
View Article12v to 5v DC to DC converter
Hello there I am making RFID reader and I need 12 v to power up the reader I am using 12v wall adapter I need 12v to 5v dc converter . Currently I am using 7805 voltage regulator to give 5 v to...
View ArticleHELP! Arduino Modbus Slave
Hello everyone, I need help from the experts. I am currently working on creating a temperature and humidity sensor using the HDC1080 module, and the Arduino Nano. I want the values read by the...
View ArticleHow to control WS2812B LED strip
Hi all, I want to use WS2812B LED strip for my project with Arduino UNO. I want to turn on specific number of LEDs in specific color at specific distance. My LED strip is 1mtrs and number of LEDs are...
View ArticleDouble Pulse Generation
I want to create a double pulse with initial delay of 50us. First pulse should be of 1.2 micro seconds and then off for 0.7 microseconds and then the second pulse for 0.6 microseconds then forever...
View ArticleTrouble with subscribing/unsubscribing Esp32MQTTClient.h
Hello all! I'm working with a tool called JMRI, or JAVA Model Railroad Interface. My goal is to create a sensor using the MQTT interface method supported in JRMI. I can get an elemental sensor to...
View ArticleReal Time data monitoring on mobile app interface
Hello, I doing a fy project regarding selfdriving collection data robot. It will move autonomously and collect data and display it on mobile app interface that i code using flutter android studio. I...
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OLED Compass position display
Hi, I am not very experienced in programming graphic displays with the Arduino IDE and I was wondering if anyone knew how the best way to program a 128x32 OLED display to move a predefined graphic...
View ArticleSelf farming Autonomous Robot
Hello I now doing a fyp regarding autonomous self driving robot for agriculture. My main concern is navigation. For crop bed and obstacle handling algorithm, i already design it but it only if the...
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5mm Wide LED strip
I'm looking for a programmable LED strip, 5 mm wide only, with RGB and being able to control the LED's separately. sunflux.dk Billigste LED lys til lamel væge og akustikpanel 4 stk. Sæt m alt Billig...
View ArticleCannot upload example code
Hi, I'm rather new in this space, and I'm struggling to get the basics right. I try to upload WebCameraServer example to ESP32CAM, but get the following error. I suspect it to relate to baud speed,...
View ArticleHi i am looking for some arduino testers help
HI ALL I AM NEW TO ARDUINO. I know a small amount but I'm stuck on a project . I was given some sketches to build a 1/8 scale Back to the Future DeLorean with lights and sound. with mobile app the app...
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Combining 2 battery charger circuit
Hi, I need help connecting some modules together. I have an esp32s3 based microprocessor that already has a built in lipo/lion charging circuit. Now, the problem is that I need 5v to power other...
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DIY ESP32 Schematics
Hi, continueing from Wirelessly send 1 Analog value to Controller? TLDR: I want to design a ESP32 board, with its only fuction being reading an Analog, and sending the value over WiFi to a Hub Arduino...
View ArticleTrying to connect MPU9250 sensor module using Arduino Nano 33 BLE Sense Rev2
I was trying to get the data of MPU9250 using Arduino Nano 33 BLE Sense Rev2 through the I2C communication module but its showing that the communication is not established correctly. But I have...
View ArticleSoftwareSerial.h: No such file or directory
I am trying to use the SoftwareSerial.h in Arduino MKR zero. But when I was trying to verify , error message is below. #include <SoftwareSerial.h> ^~~~~~~~~~~~~~~~~~ compilation terminated. exit...
View ArticleAn error uploading the sketch
Dear Anyone who can help, I’m trying to complete an arduino project, and have tried and tested it many many times. I have gotten it to work on an uno, but now I need it to work on a nano. However it...
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Problem 1.54 ePaper | ESP-32 Wifi Kit V3
Hello , i'm strunggling with my ePaper display to have a working code. I tried on ESP 8266 (with success) and now must get it work on this board. There is my code (tested with 150_BN & 154_D67...
View ArticleArduino Cloud Program with BMP, DHT11 and MQ135
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