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Arduino Projects
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- Interfacing AM2320 Temperature & Humidity Sensor with Arduino
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- How RCWL-0516 Microwave Radar Motion Sensor Works & Interface It With Arduino
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- Interfacing BMP388 Barometric Pressure Sensor (Altimeter) with Arduino
- Interfacing MS5611 Barometric Pressure Sensor with Arduino
- Interfacing TMP36 Temperature Sensor with Arduino
- Interface MLX90614 Non-contact Infrared Temperature Sensor with Arduino
- What is RFID? How It Works? Interface RC522 RFID Module with Arduino
- Interfacing TCS230/TCS3200 Color Sensor with Arduino
- How Accelerometer works? Interface ADXL335 with Arduino
- Interface MPU6050 Accelerometer and Gyroscope Sensor with Arduino
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- How 74HC595 Shift Register Works & Interface it with Arduino
- How 2-Axis Joystick Works & Interface with Arduino + Processing
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Data Science
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DBaaS
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DS Database Table
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ESP32 Projects
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- Configuring & Handling ESP32 GPIO Interrupts In Arduino IDE
- Insight Into ESP32 Sleep Modes & Their Power Consumption
- ESP32 Deep Sleep & Its Wake-up Sources
- Create A Simple ESP32 Web Server In Arduino IDE
- How to Create an ESP32 Web Server with WebSockets in Arduino IDE
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- Create A Simple ESP32 Web Server In Arduino IDE
- Interface DHT11 DHT22 with ESP32 & Display Values Using Web Server
- Create A Simple ESP32 Weather Station With BME280
- Interface Multiple DS18B20s with ESP32 & Display Values Using Web Server
- Getting Started With ESP32-CAM
- ESP32-CAM Pinout Reference
- Control WS2812B Addressable LEDs with ESP32 and WLED
- Getting started with Sound Reactive WLED
- How to Find and Change the MAC Address on ESP32
- How to Solve �A Fatal Error Occurred: Failed to Connect to ESP32: Timed Out Waiting for Packet Header�
- How to set up mDNS on an ESP32
- How to set a Static or Fixed IP Address on your ESP32
- ESP32 Basic Over The Air (OTA) Programming In Arduino IDE
- ESP32 Web Updater Over The Air (OTA) Programming In Arduino IDE
- Getting Date & Time From NTP Server With ESP32
- Interface OLED Graphic Display Module with ESP32
ESP8266 Projects
- Getting Started with ESP8266
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- Create A Simple ESP8266 NodeMCU Web Server In Arduino IDE
- Configuring & Handling ESP8266 GPIO Interrupts In Arduino IDE
- ESP8266 Over The Air (OTA) Programming In Arduino IDE
- Getting Date & Time From NTP Server With ESP8266 NodeMCU
- Control WS2812B Addressable LEDs with ESP8266 and WLED
- Interface DHT11 DHT22 w/ ESP8266 NodeMCU Using Web Server
- How to Use an I2C LCD Display With ESP8266
- Interface OLED Graphic Display Module with ESP8266 NodeMCU
- Display Values of Multiple DS18B20s on ESP8266 NodeMCU Web Server
- Create A Simple ESP8266 Weather Station With BME280
Excel
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Linear means straight
A linear function is a straight line
A linear graph represents a linear function

A Function is special relationship where each input has an output.

A function is often written as f(x) where x is the input:

Results from f(x) = x

Results from f(x) = 2x

Linear Equations

A Linear Equation is an equation for a straight line:

y = x
y = x*2
y = x*2 + 7
y = ax + b
5x = 3y
y/2 = 6

[Y=X*2+7] [Y=X*2] [Y=X]

Non-Linear Equations

A Linear Equation can NOT contain exponents or square roots:

y = x**2
y = Math.sqrt(x)
y = Math.sin(x)

Linear Regression

A Linear regression tries to model the relationship between two variables by fitting a linear graph to data.

One variable (x) is considered to be data, and the other (y) is considered to be dependent.

For example, a Linear Regression can be a model to relate the price of houses to their size.

Linear Least Squares

Linear algebra is used to solve Linear Equations.

Linear Least Squares (LLS) is a set of formulations for solving statistical problems involved in Linear Regression.

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