Arduino robot with random generated movement
Hello, I'm new here and I think everything could be simple. I would like to build a robot whose task will be to perform random movement (2D) in a bounded space, exactly as in the video. I would need...
View ArticleCan bus interferences with BMW odometer
Hello. I have a problem with my Arduino project. I am sending frames to the CAN bus using the MCP2515 module for Arduino. When I connect it to an analyzer, the data sent by the board is correct....
View ArticleDC motor current measurement
I need a help for the connection of ACS712 sensor to measure current of dc motor and L298N module, Arduino UNO 12 posts - 3 participants Read full topic
View ArticleBattery powered arduino Device
Namaste to all geeks out there. I have made a circuit where i am using arduino mini , MLX90614, MPU6050, RYLR896 LORA module and a TIP122 where tip122 is being used as switch to power on all the...
View ArticleSketch does not update LCD properly
I made the sketch below for a GPS clock. It runs correctly on the Serial Monitor. However, at the LCD display the seconds do not change smoothly. They sometimes stand still for a couple of seconds,...
View ArticleLEGO power functions not sending
Was hoping someone could provide some suggestions on what to look at. Current setup: Nano ESP32 - acts as the IR sender Nano 33 IoT - acts as the IR receiver (for testing purposes) have an actual lego...
View ArticleBuilt-in LED - Blink Date and Time
Hello. I have a NodeMCU ESP8266. Has anyone tried making a project where it syncs to a time server and then the built-in LED blinks the time and date? eg/ 27 February 12:05. 27 blinks. Wait. 2 blinks....
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ESP32-C3 Super Mini - Can't upload any sketch
Hi all, I have two ESP32-C3 Super Mini boards. I connect them to USB while pressing the boot button to force the download mode. Although the serial monitor shows "waiting for download", no sketch can...
View ArticleLCD Menus and Sub-Menus
So, I just finished the code for my project that uses 3 different sensors, using 3 push buttons for menu navigation buttons and a 20x4 LCD output. so the problem I'm facing is that when I enter a...
View ArticleTrack multiple timeous with TaskScheduler
I have an ESP32 that receives watchdog messages from up to approximately 30 remote devices via UDP. I had it in mind to use TaskScheduler for tracking the timeouts as it is already in use and I like...
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Using ATX PC power supply to power arduino
Hi. In my project I need both 5V (for Arduino, relays and lcds) and 12V for some fans. I have an old ATX power supply that I would like to use. I bought the board you can see in the picture. I heard...
View ArticleBoard Manager megaTinyCore
Hi, I've added the url to preferences. http://drazzy.com/package_drazzy.com_index.json I can't seem to be able to get the board manager to find the megaTinycore boards. In the past there seem to have...
View ArticleNewly launched Nano 33 BLE (Sense) Rev.2
New Arduino product. docs page Looks like only the IMO changed. Old one has LSM9DS1, new one has BMI270 (3-axis accelerometer + 3-axis gyroscope) + BMM150 (3-axis Magnetometer) Any other difference? 1...
View ArticleNeed some advice on what type of sensor to use for measuring distance
I'm developing a device that requires some method of measuring distance roughly up to around 300mm. I was considering just using one of those cheap ultrasonic sensors. The issue I have is that the...
View ArticleSwitch not executing some cases
Hello! I am trying to get this sketch to work as intended, but there are a few problems: in switch (cmd) only case 't': works; case 'l' and default do not work; Serial.read() in case 'l' does not read...
View ArticleUnderwater fish detector
I would like to create an underwater fish detector - completely operating underwater (personal project) The enclosure will be a waterproof hollow cylinder (possible material to use are: acrylic,...
View ArticleThingsboard floating values using esp32
Hi! I am using selfhosted thingsboard community edition. I have connected DS18B20 (temperature sensor) to ESP32 and I am coding using the arduino IDE. I am using the example code esp32 in the...
View ArticleSerial Monitor needs two clicks before it appears
I have noticed that if I want to turn on the serial monitor from the tools menu in IDE 2.3.2 I have to click on it twice. If I click on it once nothing happens and I have to click on it again before...
View ArticleQuestion regarding Autocomplete feature
Is it normal that sometimes if an error happens in the upload phase (or even similar situations) the autocomplete feature stop working? I'm using the latest version of the IDE as of now (2.3.2), and...
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Controlling geared motor and servo motor with elegoo mega 2560
does anyone have advice on how to control a geared motor and stepper motor with mega 2560. i have the elegoo most complete starter kit for the mega 2560, i need to be able to control direction and...
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