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Step 1: Root the Emulator (Using rootAVD)

1. Clone or download rootAVD from the official repository:

   git clone https://gitlab.com/newbit/rootAVD.git
   cd rootAVD

2. With your emulator running, find your specific image path:

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Step 1: Connect and Enter ADB Shell

Connect your phone to your PC with USB Debugging enabled. Open your computer's terminal (Command Prompt, PowerShell, or Mac/Linux Terminal) and type:

adb shell

Step 2: Request Root Access

chayanforyou

DS18B20 Proteus Simulation Fix

Overview

This project provides a solution to fix the DS18B20 temperature sensor simulation issue in Proteus, where incorrect readings (e.g., -127.00°C) were observed despite the code and circuit working on real hardware.

Problem

The DS18B20 sensor in Proteus simulation returned alternating readings of -127.00°C (indicating a communication failure) and 27.00°C (likely the default simulated temperature). This issue is simulation-specific and does not occur on real hardware due to timing mismatches in the OneWire protocol.

Solution

The fix involves adjusting the DS18B20 component properties in Proteus to align with the OneWire timing requirements. Follow these steps:

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1. Boot into the macOS installer

• Plug in your Hackintosh USB installer.
• At the OpenCore/Clover boot picker, choose “Install macOS …” (the installer).
• Wait until you reach the macOS Utilities screen.

2. Open Terminal

• In the top menu bar, click Utilities → Terminal.
  (This gives you a terminal even if your system disk can’t boot.)

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# Docs: https://developer.android.com/ndk/guides/cmake#android_native_api_level
ANDROID_NATIVE_API_LEVEL = int(os.environ.get('ANDROID_NATIVE_API_LEVEL', 21))
cmake_common_vars = {
    # Docs: https://source.android.com/docs/setup/about/build-numbers
    # Docs: https://developer.android.com/studio/publish/versioning
    'ANDROID_COMPILE_SDK_VERSION': os.environ.get('ANDROID_COMPILE_SDK_VERSION', 36),
    'ANDROID_TARGET_SDK_VERSION': os.environ.get('ANDROID_TARGET_SDK_VERSION', 36),
    'ANDROID_MIN_SDK_VERSION': os.environ.get('ANDROID_MIN_SDK_VERSION', ANDROID_NATIVE_API_LEVEL),
    # Docs: https://developer.android.com/studio/releases/gradle-plugin
    'ANDROID_GRADLE_PLUGIN_VERSION': '8.9.3',  # AGP version 8.5.1 or higher 

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OPENCV_SRC=$PWD/opencv
OPENCV_CONTRIB=$PWD/opencv_contrib
OPENCV_BUILD=$PWD/opencv-android-build  # output folder
ANDROID_SDK=$HOME/Library/Android/sdk
ANDROID_NDK=$ANDROID_SDK/ndk/27.2.12479018  # change to your ndk folder
CONFIG_FILE=$PWD/ndk-27.config.py  # adjust to match your NDK version

mkdir -p $OPENCV_BUILD
cd $OPENCV_BUILD

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#!/bin/bash
progname="${0##*/}"
progname="${progname%.sh}"

# usage: check_elf_alignment.sh [path to *.so files|path to *.apk]

cleanup_trap() {
  if [ -n "${tmp}" -a -d "${tmp}" ]; then
    rm -rf ${tmp}
  fi

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🫧 Bubble Solution

🧴 Ingredients:

• 8 cups of warm water
• 1 cup of dish soap (e.g., Vim or Trix)
• 4 tablespoons of glycerin (or corn syrup/sugar as an alternative)
• 2 teaspoons of baking powder (optional, for stronger bubbles)

🧪 Instructions:

• Pour 8 cups of warm water into a large container.

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🧠 PID Controller কী?

PID মানে:

• P = Proportional
• I = Integral
• D = Derivative

PID Controller এমন একটা অ্যালগরিদম যেটা কোনও সিস্টেমকে (যেমন গাড়ি, ফ্যান, তাপমাত্রা কন্ট্রোল, ইত্যাদি) ঠিক মত নিয়ন্ত্রণ করতে সাহায্য করে।

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def nec_generate(command_hex: str):
    HEADER = ["0158", "00B0"]  # 9ms + 4.5ms
    BIT_0 = ["0017", "0017"]
    BIT_1 = ["0017", "0041"]
    STOP = ["0017"]
    TAIL = ["05A5", "0158", "0056", "0017", "0E5B"]

    # Pronto preamble
    pronto = ["0000", "006C", "0022", "0002"]
    pronto.extend(HEADER)