Library parsing Get Requests
Hi all, has anyone here experience with a fast & clean web library capable of extracting variables from a GET request. Maybe even simple password and encryption (one can ask, right?) There seem to...
View ArticlePerusing the code within the core functions
Hello all, I find myself often curious about the code which makes up an Arduino function. I can sometimes google for a given function and occasionally someone will display the code of that given...
View ArticleNeed help with Arduino Uno R3: Code runs fine via USB, but not with DC jack
The Arduino Uno runs the code correctly when connected to the computer via USB. However, when I disconnect the USB and rely on the DC jack (9V, 700mA) for power, the code doesn't seem to execute. The...
View ArticleProblem with Nano 33 IOT board connecting/disconnecting USB/Serial
So the sketch I loaded into the board is causing it to constantly crash and reboot. This causes the USB connection to connect and then drop. I really want to just wipe out the sketch that is in the...
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Arduino Scale Model Lego Train Schedule Board
I wanted to create a running schedule board that would list the destination and the time it would arrive at the station (no correlation with any train automation). I used the Lego train station...
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Relee works sometimes, and sometimes there is no click but a soft sound
Good, I am trying to create a thermostat with a relay, so far so simple, the problem is that the relay sometimes clicks and the heating starts to work and sometimes it doesn't. I am trying to create a...
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AT7456 OSD overlay on CCTV camera
Hi. I'm currently working on a side project which will use Arduino Nano or nucleo32. What I want to create is to simulate NTSC video using Firebeetle_OSD overlay on one analog channel of CCTV system....
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Tutorial Request : Fuses
This is trace to the ground pin on my shield. Right at the top there. There was a short circuit and the poor little strip of copper couldn't handle the heat. That should have been a fuse. But I know...
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Slow upload speed
Hi All Brand New to Arduino. I have the arduino uno R3. Uploading the sketches takes 15 to 20 minutes is this normal? 5 posts - 4 participants Read full topic
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Sanity Check My Circuit (aka - am I doing something wrong?)
Can I please have a sanity check on my circuit? I'm not 100% comfortable with my plan. I'm using an Adafruit RP2040 CAN Bus Feather Product Link. I need to carry a battery charge indicator LED to the...
View ArticleATtiny85 IR without Timer
Hello All, I'm a noob in coding. Using ATiny85 with IRRemote Library. Specifically the one without timers. The TX code from the example works well, I am not able to figure out how to turn on and off a...
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GRBL Probe wiring sense check
Not exactly Arduino but I am running GRBL on a board with a ATMEGA328 and I figured there would be some expertise here that could confirm if my idea would work. Basically I want to wire up a basic...
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Weird pinout on a TFT board (A0/DC, SCK...)
The seller claims that is GC9A01 driver board but i doubt it. I tried every example i can find including the GC9A01, ST7789, ST7735 libraries but nothing happens except the backlight is turning on and...
View ArticleSketch not saving on Arduino Uno R3
I'm building an automatic plant watering system. The problem I'm encountering involves powering the Arduino without it being connected to the computer. The sketch runs smoothly when the USB is plugged...
View ArticleBluetooth (BLE) library for AVR boards
Is there a recommended Bluetooth Low Energy library for AVR boards, for instance, UNO R3? 2 posts - 2 participants Read full topic
View ArticleUltrasonic module doesn't work
Im testing an ultrasonic module that I got a couple days ago with an arduino nano. For some reason it doesnt give me the correct distance unless if I push on certain cords and/or connections, then...
View ArticleProgramming via IDE works great, programming via Arduino Cloud causes...
I'm having an issue that I have not been able to find the root cause of, and I'm hopeful that someone here can point me in the right direction. Essentially, the issue boils down to this: After being...
View ArticleIDE 1.8.19 Tools-> Programmer:?
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View ArticleESP32: Reading Multiple ADCs and Setting Multiple PWMs in Parallel
Hello everyone, I am programming an ESP32 with Arduino IDE. Due to my specific application, my program reads analog signals from 8 ADC pins sequentially, just like the following code shows: adc[0] =...
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