Introduction to the DS1307 Real-Time Clock Module The DS1307 is a popular real-time clock (RTC) module that provides accurate timekeeping for embedded systems, including Arduino projects. This low-power chip maintains the current date and time, even when the main power supply is interrupted, thanks to its built-in backup battery. In […]

Introduction In the world of printed circuit board (PCB) manufacturing, two essential components play a crucial role in determining the quality and performance of the final product: prepreg and core. Both prepreg and core are used in the construction of multi-layer PCBs, but they serve different purposes and have distinct […]

What is a PCB Trace? A printed circuit board (PCB) trace is a thin strip of copper or other conductive material that forms the interconnections between components on a PCB. Traces carry electrical signals and power between the various components soldered to the PCB. They are essentially the “wires” of […]

Introduction to LM35 Temperature Sensor The LM35 is a precision integrated-circuit temperature sensor, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. It is a popular choice for measuring temperature in various applications due to its high accuracy, low self-heating, and easy interfacing with microcontrollers or other electronic […]

Introduction to LED driver circuits Light-emitting diodes (LEDs) have become increasingly popular in modern lighting applications due to their energy efficiency, long lifespan, and versatility. However, LEDs require a specific current and voltage to operate optimally, which is where LED driver circuits come into play. In this article, we will […]

Minefield #1: Incomplete or Inaccurate PCB Specifications One of the most common minefields when getting PCB Quotes online is providing incomplete or inaccurate specifications. PCB manufacturers rely on detailed and accurate specs to provide an accurate quote. Some key specifications to include are: Specification Description Board size The dimensions of […]

Introduction to IRF840 MOSFET The IRF840 is a popular N-Channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) widely used in various electronic applications. It is known for its high power handling capability, fast switching speed, and low on-resistance. In this comprehensive article, we will dive deep into the IRF840 datasheet, exploring its key […]

Introduction to OpenWrt x86 OpenWrt is a popular open-source operating system based on Linux, designed for embedded devices like routers and network appliances. It provides a fully writable filesystem with package management, enabling users to customize their devices through the use of packages. OpenWrt x86 refers to the version of […]

What is an Inductor? An inductor is a passive electronic component that stores energy in the form of a magnetic field. It consists of a coil of wire, usually wound around a core made of ferromagnetic material, such as iron or ferrite. When an electric current flows through the coil, […]

2N5089 Transistor Overview The 2N5089 is a small signal NPN transistor in a TO-92 through-hole package. It is designed for low power applications with a maximum collector current of 50mA and a power dissipation of 500mW. The 2N5089 has a transition frequency of 300MHz, making it suitable for high frequency […]