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  • Scientists just 3D printed one of the hardest metals on Earth
    A new 3D printing technique can produce exceptionally hard tungsten carbide cobalt while using less of its expensive raw materials. By softening rather than fully melting the material, researchers created defect-free samples with industrial-grade hardness and opened the door to more efficient manufacturing.
  • Mysterious Milky Way object accelerates protons beyond one quadrillion electron volts
    Scientists have identified LHAASO J1912+1014u as a cosmic accelerator that can push protons beyond one quadrillion electron volts. The finding may help reveal where the Milky Way’s most energetic cosmic rays come from and how they influence the galaxy.
  • New process turns plastic waste into hydrogen fuel while trapping the carbon
    A new chemical process can transform three of the most common plastics into high-purity hydrogen without sorting them first. The technique operates at much lower temperatures than traditional gasification and captures most of the plastic’s carbon in solid or liquid forms instead of releasing it as carbon dioxide.
  • Scientists built a camera that can track invisible particles in 3D
    A new particle detector called PLATON could replace millions of tiny detector components with a single block of light-producing material. Using a light-field camera, highly sensitive photon sensors, and AI, it reconstructs particle paths in fast, detailed 3D. Simulations suggest it could match or surpass today’s best detectors while being far easier to scale. The […]
  • These tiny holes could change how the world cleans water
    A new nature-inspired membrane uses perfectly uniform one-nanometer pores to filter molecules with remarkable precision. The technology could transform industries such as pharmaceuticals and textiles by reducing energy consumption, improving water reuse, and delivering separation performance far beyond current filters.
  • Scientists discover a hidden quantum world inside cobalt
    Scientists have uncovered unexpected quantum complexity inside cobalt, a metal long thought to be fully understood. Advanced measurements revealed a dense network of topological electronic states that remain robust at room temperature. These states enable extremely fast electron behavior and can be switched or controlled using magnetism. The discovery could open new paths toward next-generation […]

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Educational graphic introducing Timer0 of the PIC16F877A microcontroller. On the left, a stopwatch icon and the question "Alarm, Timers, how does it work?" highlight practical applications. On the right, a microcontroller image and the MPLAB X IDE logo indicate the programming environment used for learning timer-based functionality.
PIC16F877A Timer0 tutorial
The Timer0 module is an 8-bit timer/counter that is included with all 8-bit PIC MCU devices. The Timer0 is more than just a timer....
Educational slide introducing the use of hardware timers in the PIC16F877A microcontroller. The left side features a stopwatch icon and the question “Alarm, Timers, how does it work?”, while the right side shows the microcontroller and MPLAB X IDE logo. The image sets the stage for learning about Timer0, Timer1, and Timer2 functionality.
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...
Featured image of how to use interrupts in the PIC16F877A
How to use interrupts in microcontrollers
In this tutorial we will learn how to use external interrupts in PIC microcontrollers. We will go in depth on how to set it up...
Educational graphic showing how to interface 4x3 matrix keypads with a PIC16F877A microcontroller. The image includes two physical keypads, a schematic layout of the 4x3 keypad connections, the PIC16F877A chip, and the MPLAB X IDE logo. Text reads "Interfacing PIC16F877A with 4x3 keypads."
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...
Featured image of the PIC16F877A - Transistors and beyond part 3
Control Possibilities with PIC16F877A: Relays, Optos, H Bridges (Part 3 of 3)
Most microcontrollers have limited current sink or current source on their pins, including the PIC16F877A. However, certain projects may require larger currents than the maximum...
Educational graphic showing the interface of a PIC16F877A microcontroller with N-channel MOSFETs. It includes a circuit symbol and cross-sectional diagram of a MOSFET, the microcontroller chip, and MPLAB X IDE logo. The title reads “PIC16F877A and MOSFETs Part 2.”
Interfacing PIC16F877A with MOSFETS (Part 2 of 3)
Most microcontrollers have a limited current sink or current source on the pins, the PIC16F877A is no exception. However, for certain projects you may want...