Problem connecting Dallas 18B20 Nano RP2040
I only get temp -127 deg C when I try to use the sensor with a RP2040 Nano connect. If I move the sensor to an UNO board - same IO - and download the same sketch, it works fine. IO pin 12 (that ijust...
View ArticleIR remote control
Hi all, spend more than a day to solve my problem, no success...... I have written a program for a model railway, controlling a car. It has a build in ESP D1. So far so good. all the routines work...
View ArticleDFplayer not turning off
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View ArticleVerify Sketch Fails
I am unable to verify any of my saved sketches. I have tried with 2 Windows computers and an iMac and I keep getting the same error. I have upgraded to the latest Arduino IDE. Same problem. The...
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Arduino robot problem
Hey! I have made a multifunction Ardino-uno robot which includes voice control obstacle avoiding and blue tooth control it's a 4 wheeler robot I have given connections according to schematic diagram...
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Generation of three phase square wave using arduino (BWOD style)
Continuing the discussion from Generation of three phase square wave using arduino(SIMPLE CODING) and its OP: Generation of three phase square wave using arduino(SIMPLE CODING) Maybe move it to...
View ArticleUno r4 wifi with LCD Display
This is my first post on this forum so please excuse when i'm doing something wrong. I have a arduino uno r4 wifi and a 2.5" TFT LCD Display shield from elegoo. I tried some things with the display...
View ArticleError compiling the code
I'm using an ESP 32 and facing this error while trying to integrate with the Blynk IOT, basically there is some issue with the WIFI.h and BlynSimpleESP32.h libraries: In file included from...
View ArticleArduino 2.2.1 not working on Sonoma macOS 14.2.1
Hi, After I install 2.2.1 and open Arduino IDE, I can see the shell of the program (menus), but no script is open or no script that I can open. If I install daily build, its all working. Any idea what...
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Receiving an Error with Raspberry Pi board
Hi, I am in desperate need of help with a project that I’m working on to build a soil moisture sensor and I’ve been stuck because of an error that I’m getting. Hardware: Raspberry Pico and OLED...
View ArticleError compiling for Arduino Uno
Hi, I am new to Arduino and electronics in general and I got "The Most Complete Starter Kit, Uno R3 Project" from Elegoo. I did my best following the IDE installation instructions and was finally able...
View ArticleUpload C++ To Arduino
I'm currently working on a project in C++ which makes use of the RC522 RFID controller along with an LCD display. I'm coding this in C++. My question is, how do I take my C++ code and upload that to...
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2 series motors in parallel
I’m converting a golf cart to 4x4. I am planning to use one controller for the two series motors. I am planning to connect the two motors in parallel. One motor will have a solenoid between the...
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Brushless betafpv motor with Arduino
This is my first time trying to control a brushless motor with Arduino, but I'm running into problems that I haven't been able to work through. I'm hoping it's just because I'm a noob with brushless...
View ArticleHow to use LED with Arduino Nano Breakout Shield
Hello, I will be showing you how to turn on a LED with Arduino Nano Breakout Shield Parts needed: -Arduino Nano -Arduino Nano Breakout Shield -2x Female jumper wire -1x LED Firstly, put your Arduino...
View ArticleUsing a 2pin 32khz crystal instead of a smd crystal?
Hellio, I have a bunch of the samd21 processors I was very successful in putting a bootload as well as a bink sketch on the processor using the arduino zero bootloader. I'm with a help of a friend...
View ArticleSeeed Studio XIAO RP2040 bricked by sketch
I got this simple sketch working on an arduino nano so I thought I would try it on the XIAO since I had recently purchased a package of three. It promplty bricked the MCU and now the PC (Linux and...
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Struggling With x3 Bigger Analog Signals and Fluctuating Digital Signal...
Hi, I'm trying to get a joystick to work with the latest Arduino Nano ESP32 on a I/O shield. I'm really new to Arduino without any electrical background. I managed to get analog readings of the...
View ArticleBoard crashes on BLE.begin() when powered externally
The following code operates flawlessly when my board is powered via a data USB cable. However, when I switch to using a non-data USB cable or connect an external regulated power supply to Vin, the...
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Weird voltage drop across IRLZ44N
Hello After reading various articles here and there, I am still facing something I cannot understand although I think I got things correctly (which I must not, though ...). My goal is to measure lipo...
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