Motor with infrared
Hi, recently I have tried my hand at designing, building and programming an infrared controlled robot, I don't have any type of shield or similar interface but only an H-BRIGE module to drive the...
View ArticleOk here is a brain twister
Have this program on an UNO #include <Arduino.h> #include <U8x8lib.h> U8X8_SSD1306_128X64_NONAME_HW_I2C u8x8(/* reset=*/ U8X8_PIN_NONE); void setup(void) { u8x8.begin();...
View ArticleSD Card issues ... again
Hey guys! I'm, once again having some issues with the my SD Card module and speaker. I'm trying to play a WAV file originating from an SD Card. My SD Card module works and so does my speaker. The...
View ArticleVery very slow Serial.available (?)
I'm using Arduino IDE for programming RP2040 microcontroller, but I think it is common problem. I have got two devices which uses RS232 for communication (115200baud). One sends ModuleID string (32...
View Article2.2.1IDE can't work(run on ubuntu20)
it stuck on the logo all the time 6 posts - 3 participants Read full topic
View ArticleSmart BMS E Ink Display mit LILYGO_T5_V213
Hallo Zusammen, ich habe eine sketch im Internet gefunden. Das ist zum JBD Smart BMS ein LILYGO_T5_V213 Display. Ich habe einige Fonts nicht gehabt, deswegen musste ich auf kleinere umstellen. Damit...
View ArticleWebserver will not update until serial data comes in
I am building a GPS cat locator. TX side is a Nano controling a gps module, parsing the gps data and sending the string via a wireless serial transmitter along with time and battery voltage...
View ArticlePins D11 and D12
I am connecting a sensor to one of the MKR IoT Carrier's grove connectors (I2C bus). For the MKR family (in my case MKR WiFi 1010), the pins for I2C are listed as D11 and D12. Since I am using the...
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Fermax Intercom flashing nonstop
My fermax-6545 intercom is not connecting - it is constantly flashing on and off (red and blue). I've tried to take it off for 5-10 seconds but still no luck. Anyone know how I can make it work again?...
View ArticleObstacle avoiding robot doesn't detect black dots
firstly, i m beginner. Because of that i didn't understand exactly where the problem is, but i think its somewhere in my code.The project I want to do is as follows: A robot will be created, which...
View ArticleSoftwareSerial.read() returning value with all the bits set
I'm trying to get a sketch going using SoftwareSerial on an R4 Arduino Uno wifi. SoftwareSerial.read() is supposed to read a byte, or -1 if no data is available. The return type of read() is an int,...
View ArticleAntique car monitoring system
Hello All, I was wondering if any of you fine folk's here would know how I could go about building a monitoring system for my car. I have an original 1931 Ford Model A Tudor that I would like to make...
View ArticleTrouble uploading sketch to LilyPad USB
Hi! I am very new to Arduino, and purchased a LilyPad USB ATmega32U4 Board for a wearable textiles project as part of my master's thesis. I am having trouble uploading the blink sketch example from...
View Article3.7V Lithium battery charging ideas
Hi everybody. I've been messing with a street light that broke and I fixed it by replacing the PCB with a tiny85 circuit that i made. It uses an 18650 3.7V Lithium cell. The Tiny does a great job and...
View ArticleIDE compatibility with Raspberry Pi 5
This is most likely a 1.8.x question, but why not shot for the stars... I have been trouble finding substantive info regarding whether or not an iteration of the Arduino IDE is compatible with the RPi...
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LTC4063 Anyone Have Experience
I have been working a project where I am using an esp32-S3 for a wearable. It will run off a 3.7V LiPo battery. For the charging circuit I copied the following off a dev board: at the top is the usb...
View ArticleHow do I code to use the Nano timer1 to toggle an output
I am somewhat familiar with coding to make projects function, but I am not knowledgeable about how to use existing hardware timers in the Nano cpu. I need some education as to what and how to utilize...
View ArticleHow to remove useless PINs in RS485?
I burn the Ameba IoT Arduino into my wifi module realtek 8720DN. I want to use the Audino Modbus lib, but how to set RS485 pins? I just use the tx/rx to send/receive data, how to remove/disable other...
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DC Motors & PWM
I am trying to control a fan (dc motor) using PWM for a project. The problem is the fan is connected to power but not the arduino I think? Since the motor doesn't turn off but stays on thats what I am...
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16*2 LCD Showing a 16 dot but not displaying a msg
#include <LiquidCrystal_I2C.h> #include <Wire.h> #include <Servo.h> LiquidCrystal_I2C lcd(0x27, 16, 2); // LCD object with I2C address Servo myservo1; // Servo motor object int IR1 =...
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