Key Features of the Whitecat ESP32 LoRa Gateway 1. ESP32 Microcontroller The heart of the Whitecat ESP32 LoRa Gateway is the ESP32 microcontroller. This powerful chip boasts the following specifications: Feature Specification CPU Dual-core Xtensa LX6 microprocessor Clock Speed Up to 240 MHz RAM 520 KB SRAM Flash Memory 4 […]

Introduction to PCB Manufacturing Printed Circuit Board (PCB) manufacturing is a complex process that involves the creation of electronic circuits on a non-conductive substrate. PCBs are the backbone of modern electronics, found in everything from smartphones and computers to medical devices and aerospace equipment. As technology continues to advance, so […]

Introduction Desoldering is the process of removing solder from a circuit board hole, which is an essential skill for anyone involved in electronics repair or modification. Whether you need to replace a faulty component, modify a circuit, or salvage parts from an old board, knowing how to properly desolder a […]

Introduction to PCB Soldering Printed Circuit Boards (PCBs) are essential components in modern electronics. They provide a platform for mounting and connecting various electronic components to create a functional circuit. One of the crucial skills in working with PCBs is soldering. Soldering is the process of joining two or more […]

Introduction to LED Flasher Circuits An LED flasher circuit is a simple electronic circuit that makes an LED (Light Emitting Diode) flash on and off at a regular interval. These circuits are commonly used in various applications, such as indicators, warning lights, and decorative lighting. In this article, we will […]

Introduction to Wire-to-Board Connections Connecting wires to circuit boards is a fundamental skill in electronics. Whether you’re building a simple project or working on a complex system, understanding how to properly connect wires to a circuit board is essential for ensuring reliable electrical connections and avoiding potential issues. In this […]

Introduction to PCB Design Components Printed Circuit Board (PCB) design is a crucial aspect of electronic product development. A PCB designer must have a thorough understanding of various electronic components to create efficient and reliable circuit designs. This article will explore the essential electronic components that every PCBA designer should […]

Pioneering Partnership Brings Innovative Insurance Solutions to the Electronics Manufacturing Industry Spirit Circuits, a leading provider of printed circuit board (PCB) solutions, is excited to announce a groundbreaking partnership with MPW Insurance Brokers, one of the top insurance brokerages specializing in commercial insurance. This strategic alliance, known as the Spirit-MPW […]

What is a Tented Via and Why is Clearance Important? A tented via is a through-hole on a printed circuit board (PCB) that is covered or “tented” with solder mask on one or both sides. Tenting vias with solder mask provides several benefits: Prevents solder from wicking down into the […]

Introduction to PCB Testing Printed Circuit Board (PCB) testing is a crucial step in the manufacturing process of electronic devices. It ensures that the PCB functions as intended and meets the required specifications. PCB testing involves various methods and techniques to verify the quality, reliability, and functionality of the board. […]