PCB Case Studies
Focus on the reverse development of various electronic products and equipment prototypes.
7-Segment Displays: Pinout, Working, Applications
What is a 7-Segment Display? A 7-segment display is an electronic component made up of 7 individual LEDs arranged in a specific pattern to display digits (0-9) and some letters.
ESP8266 vs ESP32: A Detailed Comparison
In the world of Internet of Things (IoT) development, the ESP8266 and ESP32 are two of the most popular Wi-Fi modules available. Both are powerful, cost-effective, and widely used by
NOR Flash and NAND Flash
Introduction to NOR Flash and NAND Flash NOR Flash Intel first developed the Nor Flash technology in 1988. Nor Flash is characterized by on-chip execution (XIP, eXecute In Place), and
FPGA – Field Programmable Gate Array
FPGA, short for Field Programmable Gate Array, is a hardware reconfigurable architecture. In other words, it is a chip that can be programmed to change its internal structure. FPGAs have
NOR Gate Simplifying Boolean Expression
Introduction to Boolean expressions Boolean expressions are fundamental components of digital logic design. They represent logical relationships between variables, typically resulting in a binary output. These expressions are crucial for
Logic Gates: Tyles, Symbol, Truth Table
Logic Gates are the basic components on Integrated Circuits. Simple logic gates can be made of transistors. The combination of these transistors can make the high and low levels representing
TTL Logic: What is and How Does it Work?
What is TTL? TTL, or Transistor-Transistor Logic, is a type of digital circuit design that uses bipolar transistor technology to create logic gates. TTL is commonly used in electronics, particularly
74HC245 Octal Bus Tranceiver
What is 74HC245? 74HC245 is an octal transceiver used for asynchronous data transfer between two devices. Furthermore, it supports data transmission at different voltage levels. The internal structure of the
BMP280 Pressure Sensor
BMP280 is a high-precision sensor module chip that can measure atmospheric pressure and temperature in the air. Not only that, but it can also measure the humidity in the air.
74LS04 Hex Inverter
What Is 74LS04? The 74LS04 is a digital logic gate integrated circuit that features six inverters, also known as hex inverters. Each inverter within the chip has an output signal
About Well Done
Well Done Technology was established in 2008, focus on PCB reverse engineering, PCB assembly, PCB design and manufacturing. Our technical team of more than 20 people includes senior engineers with rich experience.