Introduction: The Importance of Choosing the Right Solder Soldering is a crucial process in the world of electronics, as it allows for the connection and assembly of various components on printed circuit boards (PCBs). The choice between lead-free and lead solder can significantly impact the quality, durability, and environmental impact […]

Understanding RFID Technology Before diving into the DIY RFID Reader project, it’s essential to understand the basics of RFID technology. RFID systems consist of two main components: a reader and a tag. The reader emits radio waves, which are picked up by the tag’s antenna. The tag then responds by […]

Introduction to MESFET Transistors Metal-Semiconductor Field Effect Transistors, or MESFETs, are a type of field-effect transistor (FET) that are commonly used in high-frequency applications, such as radio frequency (RF) and microwave circuits. They are known for their high power efficiency, low noise, and high gain at high frequencies. In this […]

Introduction to Transistors What is a Transistor? A transistor is a three-terminal semiconductor device that can control the flow of electric current. It consists of three layers of semiconductor material, typically silicon, with different doping levels. The three terminals are called the emitter, base, and collector in bipolar junction transistors […]

What is a Notch Filter? A notch filter, also known as a band-stop filter, is a type of filter designed to attenuate or reject a specific frequency or a narrow band of frequencies while allowing other frequencies to pass through unaffected. Notch filters are commonly used in various applications, such […]

What is SMT Assembly? Surface-mount technology (SMT) is a method for producing electronic circuits in which the components are mounted directly onto the surface of printed circuit boards (PCBs). An electronic device so made is called a surface-mount device (SMD). In industry, this approach has largely replaced the through-hole technology […]

What are Vias? Before diving into the topic of Plugged Vias, it’s essential to understand what vias are and their role in PCB design. Vias are small holes drilled through a PCB that allow for electrical connections between different layers of the board. They are typically plated with a conductive […]

Introduction to Ferrite Core Transformers Ferrite core transformers are essential components in various electrical and electronic applications, ranging from power supplies to high-frequency communication systems. These transformers utilize ferrite materials as their core, which offers several advantages over traditional iron cores. In this comprehensive guide, we will delve into the […]

Introduction to the Mkr1000 The Mkr1000 is part of Arduino’s MKR family of boards, designed specifically for IoT applications. It is based on the Atmel ATSAMW25 SoC, which combines a SAMD21 Cortex-M0+ 32bit low power ARM MCU with a WINC1500 Wi-Fi module. This combination allows the Mkr1000 to offer a […]

Introduction to the ULN2003 IC The ULN2003 is a monolithic high voltage and high current Darlington transistor array. It consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collectors are connected to the common outputs, while the emitters are grounded. […]