Changing output voltage of Analog_Output pins for Portenta Machine Control
Hey Guys, I am trying to drive a 48V BLDC motor with the help of a Portenta Machine Control board(PMC). I am using the analog pins as there arent any PWM pins available for the PMC board. However, the...
View ArticleICSP pins arduino
Hi all, I have used the icsp pins for all my spi devices in my project. Doee this free up the spi pins (10,11,12,13)??? 9 posts - 5 participants Read full topic
View ArticleThe values collect from the sensor was not show on dashboard live
/* Sketch generated by the Arduino IoT Cloud Thing "Untitled" https://create.arduino.cc/cloud/things/5cbc04df-d5fd-4188-a730-0d86f3adf5ea Arduino IoT Cloud Variables description The following...
View ArticleESP32 talking to an HC-06..... nope
I have an ESP32 WROOM talking to an HC-06 Bluetooth module. Plenty of power (they are a bit juice hungry) and used them lots before. This one is connected on Serial2 of the ESP32 Wroom. Absolutely...
View ArticleA random NFC card idea
i was thinking about things I could try using an Arduino and had a random idea. Would it be possible to create something that could scan your hotel keycard and then use it as an extra key? Just to...
View ArticleUsing AUX to do audio classification
Can you do that, for example it should give out what it hears, for example fire, birds/forest, racing cars. 3 posts - 3 participants Read full topic
View ArticleADS1011/1115 in car application
Hi, I'm generally looking for an advise with this topic. I'll give a big picture here but my question is about ADC usage. I'm building an app which should be able to replace analog car gauges. All I...
View Article5-DOF arm robot issues
Hi, I am trying to use a 5-DOF arm robot to pick and place some objects. I am having a problem with the servo motors' movements, when trying to use serial to move the robot to different positions, the...
View ArticleUnable to use D0, D1, D4, D20 & D21 as digital outputs
Hi, I have made myself a logic translator to go between 3v3 and 5v for the Arduino DUE board. So, i thought i would test it by outputting a pulsing high on all of the DUE output pins. I wrote the...
View ArticleLowPower: External wakeup in example
Arduino Uno & Nano... I try to do my research before coming to this forum. Frequently, the library examples provided on GitHUb contain the answers. However in this case, I've looked all over the...
View ArticleNeed help with separating/combining code Arduino Mega and Esp8266
I have 2 working codes one for arduino and other for esp8266. My question is how can i combine these two codes,or which part to upload to esp and other to arduino so that they can work together. Goal...
View ArticleI need help with Lora
Greetings. I made a communication using 2 arduino mega and 2 lora. Thanks to the rtc module, I send the time information to the other arduino mega with lora. I also write the time information to the...
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Components advise for analogRead(pin)
i am going to give input to arduino on analog pin A(0). please see picture and read my post. i want to make this type input switch circuit using only 3 pins A(0),5v,gnd. i want to ask you value of...
View ArticleMy Code Doesnt Work Anymore To Output Music From SD Card Module On Arduino...
Hi I have a problem with my code because in my previous project my arduino mega could make a sound but after I tried again in the near future it turned out that the sound could not come out. but when...
View ArticleDFPlayer Mini doesn't work
Hello, I'm trying to make my DFPlayer Mini play a sound that I called 001.mp3. I connected it to Arduino Uno but after uploading a sketch, light turns on for a second and turns off and nothing else...
View ArticleanalogReference(INTERNAL) not seeming to "rescale" millivolt input
I am trying to use analogReference(INTERNAL); to reference small millivolt inputs. When I monitor the results in the serial monitor, they do not appear to be any different than when i don't include...
View ArticleAT-MEGA2560 serial receiver buffer size increase
hi guys i am having a problem with AT-MEGA 2560 serial receiver buffer. actually my esp32 is sending nested json data to AT-MEGA 2560 via serial2. now the problem is i am receiving only 80% of my json...
View ArticleSwapping the ESP32-S3-MINI-1 with the MINI-1U?
I am looking for an arduino to get up and running quickly with some smart home projects. Not a huge fan of the ESP32 alone boards and enjoy having those comms offloaded to a dedicated chip along with...
View Article'void LiquidCrystal_I2C::init()'
'void LiquidCrystal_I2C::init()' I am having this proplem every time then i verify my code Can someone help me? 7 posts - 3 participants Read full topic
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'Adapted' ultrasonic sensor + Arduino Uno, does not work as expected
Hey guys, I took a 4-output reverse gear sensor that I had sitting here and tested it on the bench. He actually scored correctly with an obstacle 1.2 meters away, see in this photo. I intend to...
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