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  • Spinning, twisted light could power next-generation electronics
    Researchers have advanced a decades-old challenge in the field of organic semiconductors, opening new possibilities for the future of electronics. The researchers have created an organic semiconductor that forces electrons to move in a spiral pattern, which could improve the efficiency of OLED displays in television and smartphone screens, or power next-generation computing technologies such […]
  • Breakthrough nano-spring technology boosts battery durability and energy density
    Scientists improved battery durability and energy density with a nano-spring coating.
  • Scientists discover smart way to generate energy with tiny beads
    Researchers have discovered a new method to generate electricity using small plastic beads. By placing these beads close together and bringing them into contact, they generate more electricity than usual. This process, known as triboelectrification, is similar to the static electricity produced when rubbing a balloon against hair.
  • Building bridges in physics
    Researchers show that Cartan's First Structure Equation, which relates to edge and screw dislocations in crystal lattices, can be recast in the same form as a basic mathematical formula that governs the behavior of electric currents and magnetic fields. This work can help make new concepts more understandable by employing more familiar frameworks.
  • 'Nanodot' control could fine-tune light for sharper displays, quantum computing
    Newly achieved precise control over light emitted from incredibly tiny sources, a few nanometers in size, embedded in two-dimensional materials could lead to remarkably high-resolution monitors and advances in ultra-fast quantum computing, according to an international team.
  • Super sapphire resists scratches, glare, fog and dust
    Researchers have discovered techniques to bestow superpowers upon sapphire, a material that most of us think of as just a pretty jewel.
Featured image of using PWM in PIC16F877A
Core tutorial, Embedded systems

Using PWM in PIC16F877A

Digital signals (0 or 1) and analog signals (range of values) are both used in electronics. Analog inputs can be converted to digital through an ADC. To control analog devices with a microcontroller, DACs are used but they're costly and space-consuming. PWM (Pulse Width Modulation) is a cost-effective technique that ...
Featured image of the timer1 tutorial in PIC16F877A
Core tutorial, Embedded systems

PIC16F877A Timer1 Tutorial

The Timer1 module is a 16-bit timer/counter within most PIC MCU devices. Timer1 can increment up to a value of 65535 before it overflows back to zero. Because the timer is built into an 8-bit device, the 16-bit timer register is broken into two 8-bit registers (TMR1L and TMR1H) and ...
Featured image of how to use timers in PIC16F877A
Core tutorial, Embedded systems

PIC Microcontrollers Timers

In this tutorial, we will learn what are "Timers"; we will explain this with examples using the Microcontroller PIC16F877A. For this tutorial is may be helpful to understand the basics of turning an LED on and off, which is explained in one of my previous tutorials on LEDs. In this ...
Featured image of interfacing PIC16F877A with 4x3 keypads
Core tutorial, Embedded systems

Interfacing 4×3 keypads with PIC16F877A

In this tutorial, we will provide an overview of the 4x3 membrane keypad. The keypad serves as a reliable and budget-friendly tool for having inputs in your project. Understanding how to interface with the keypad will prove useful in future projects that require menu selection or similar inputs. Our guide ...
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