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Code Reviews

Coding Challenges

What will be the output of this code? def count_subsets(nums, target): memo = {} def backtrack(index, remaining): if (index, remaining) in memo: return memo[(index, remaining)] if remaining == 0: return […]

data buffering when connectivity is lost

This topic is to share with how you manage your application and how you deal with it in case the connectivity is lost, and what you do when the connection […]

I need help

if someone can help me to figure out this error(guide) ,this is the main code :

unable to retrieve data from a rs485 based flowmeter

The flowmeter contains a atmega 16 chip and i am trying to get flowrate and flow totalizer from it via rs485 to ttl converter using a arduino nano data related […]

Solves a Sudoku puzzle

What will be the output of this code? “`C++ #include #include using namespace std; bool isSafe(vector& grid, int row, int col, int num) { // Check if the number is […]

Segmentation Fault with GCC and Gcov on Instrumented C++ Program

I’m to instrument GCC and Gcov to collect execution sequence information. While my approach works well for **c** programs on `x86` and `x86_64`, I’m encountering a segmentation fault when attempting […]

Multitasking on Stm32f407vgt6

https://github.com/MuskaanJain2021/MULTITASKING-ON-STM32F407VGT6.git Task I am trying to achieve is The LED is off initially. Depending on switch press, the LED blinks in following way. 1st Switch press: LED blinks at frequency […]

Initialize AVR32UC with Zephyr OS for DHT22 Sensor Communication and Resolve Data Fetch Failure

Hey guys, how can I initialize the AVR32UC microcontroller with Zephyr OS to communicate with the DHT22 temperature and humidity sensor, and address the issue of `failing to fetch sensor […]

Quectel EC200U GPRS Design

Hi everyone, I’m designing a custom GPRS module board with esp32 and I’ve chosen the EC200U GPRS module, I want to know the basic pin mapping and operational modes of […]

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