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Arduino

Questions tagged [code-review]

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Code review is systematic examination of your Arduino sketch. It is intended to find and fix mistakes overlooked in the initial development phase, improving both the overall quality of software and the developers' skills.

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1answer
115views

I'm using an Arduino Mega 2560 to control a DRV8871 motor driver connected to a DC brushed motor. The setup includes:Three buttons: UP, DOWN, and FASTOne limit switch input, where the upper and ...
Luigi's user avatar
1vote
1answer
83views

I have the following test code, which I'm running on an Arduino Yùn. Only PulCyan and DirCyan are connected to Arduino, all the remaining pins are not connected (except ground).If I run this program ...
Luigi's user avatar
2votes
1answer
115views

I am trying to make a battery load cycler to charge and discharge a battery repeatedly for a certain amount of cycles and here is my code:bool in_charge_mode;int cycles = 0;float cutoffvoltage = 2....
risa's user avatar
0votes
1answer
106views

I am using PICSimLab to simulate a keypad. The configuration of the keypad is as shown in the picture:and the code is:#include <LiquidCrystal.h>#include <Key.h>#include <Keypad.h&...
1vote
1answer
209views

I am building a small art project to display my current age with an accuracy of 1/100th of a second. I am using a XIAO SAMD21, a DS3231 RTC, and a 128x32 OLED screen. Here is what it looks like right ...
Mir's user avatar
  • 113
-1votes
1answer
115views

When I am sending hex numbers via computer to the arduino leonardo, it sometimes won't react, but the serial monitor says that it was sent. My code; void setup(){ Serial.begin(9600); pinMode(...
Kyle_3_1415's user avatar
1vote
1answer
150views

I'm making a school project that allows plants to 'talk'. As in when the plant is in an un-ideal environment (low or high soil moisture, not ideal temperature or humidity and not enough light). I have ...
I-like-turtles's user avatar
-1votes
1answer
272views

I am getting a compilation error: expected unqualified-id before 'if' . Btu I have check all the semicolons . Please help finding my error.The rest of the message error readsC:\Users\jecalderon\...
Jose Enrique Calderon's user avatar
3votes
1answer
786views

I'm working on a project to build a plant monitor that works from the outside with Arduino that picks up light and water values from it's environment then uses a nRF24L01 with an antenna and I've come ...
0votes
2answers
132views

Heyo everyone !I'm in a project where I need to send a signal if I detect vaccuum.I'm sending the signal on PIN 9 but I soon realized that I was only getting 1V.Tought I was alternating between ...
-2votes
2answers
93views

im sending the value 1500 from another MCU with fdserial_txChar(transmit, send >> 7); // send Higher 7 bits fdserial_txChar(transmit, send & 0x7F); // send Lower 7 bitsand was ...
benjamin nikkel's user avatar
0votes
1answer
79views

Trying to combine code to run a 2-zone radiant floor heating system. The menu code works perfectly. When I select MenuC 'Run main' it executes to RadiantMain prints test and then returns to menu ...
Harold Vermillion's user avatar
1vote
1answer
403views

I’ve got a question about this code I’ve attached please- would it be correct to read it like this:After defining the variable temperature and humidity and assigning measurement_timestamp to millis(),...
2votes
1answer
148views

I'm learning how to code a "BOE Shield bot" with a partner at my university (first year). To clarify for those that do not know: a BOE Shield bot is a small robot equipped with 2 servo ...
0votes
1answer
166views

So I have created a method to read and return Ultrasonic Sensor Data. I have 2 Ultrasonic Sensors.Below is my code.    // Ultrasonic Pins    #define T1 2 &...

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