Isolation in electrical engineering involves separating one part of a circuit from another to avoid direct physical electrical connection, allowing signals and power to be transferred without a direct conductive path to prevent accidental contact, protect sensitive electronics, and ensure […]
Adding a display to an embedded system can bring several benefits, making the device more user-friendly and functional. Displays can be used for diagnostics by showcasing error messages, system logs, or sensor readings in real-time. This can aid in identifying
Adding a display to an embedded system can significantly enhance its functionality by providing visual feedback and an interactive user interface. This tutorial shows how to interface Arduino development board with ST7789 color TFT display. Abbreviations: TFT: Thin-Film Transistor. SPI:
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This Arduino tutorial shows how to interface the Uno board with ILI9341 TFT display. The ILI9341 TFT module contains a display controller with the same name: ILI9341. It’s a color display that uses SPI interface protocol and requires 4 or
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A zero crossing detector is an electronic circuit used to detect the exact moment when the voltage of an alternating current (AC) signal passes through zero volts. In other words, the zero-crossing detection circuit detects when an AC signal voltage
This post shows the design of a low cost precision analog isolation amplifier using HCNR201 (HCNR200) optocoupler where input signal is galvanically isolated from output signal. The HCNR201/HCNR200 can be used to isolate analog signals in a wide variety of
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This tutorial shows how to connect and interface 8-bit PIC microcontroller family with LCD (Liquid Crystal Display) screens based on HD44780U or compatible controller. Even it is very old, the HD44780U controller or similar is widely used in character type
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This STM32 tutorial shows how to easily connect and interface STM32 Blue Pill development board with ST7789 color TFT display module. The STM32 Blue Pill development board is based on STMicroelectronics ARM Cortex-M3 microcontroller STM32F103C8T6 running at maximum clock frequency
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A KS0108 GLCD (Graphics Liquid Crystal Display) refers to a graphical LCD module that utilizes the KS0108 controller chip for controlling the display. This type of GLCD is commonly used in various electronic projects and embedded systems to display graphics,
This post shows the interfacing process of Arduino uno board with ST7565 monochrome 128×64 LCD display. This example shows how to print texts, draw bitmap images and some shapes (such as lines, circles …) on the ST7565 LCD. Basically, The
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