Category: Parts Library
Voltage Divider Law: Examples, and Loaded Divider
A voltage divider law explains how a simple resistor divider converts an input voltage into a predictable, lower output voltage.
If you have [...]
74HC595 Shift Register: Pinout, Features, and Arduino Interfacing
Introduction to 74HC595 Shift Register IC
The 74HC595 shift register is an 8-bit CMOS integrated circuit that uses serial-to-parallel conversion. [...]
Linear vs LDO vs Switching Voltage Regulators: How to Choose the Right One for Your Application
Introduction: Why Choosing the Right Voltage Regulator Matters
Almost every electronic system requires some form of power conversion, and the tren [...]
Current Divider Formula Explained for Parallel Circuits
When you work with parallel circuits, you’re really working with a question of where the current goes.
The source provides a total current I [...]
Memory Integrated Circuits Part 2: Architecture, Layout, and Reliability Guidelines
Introduction: Overcoming the Memory Wall
You learned about selecting the perfect component in Part 1. You explored the datasheet, and chose a Micr [...]
DS3231 vs DS1307: Accuracy, Drift & Which RTC Is Better in 2026
Introduction
Real-time clocks (RTCs) are essential components in embedded systems, providing persistent timekeeping when main power is off or unav [...]
Why Voltage Regulators Fail: Thermal, Stability & Layout Errors
Introduction: Why "Good" Voltage Regulators Still Fail?
Voltage regulators are considered one of the simplest circuit modules in PCB designing, a [...]
Full Bridge Rectifier: Working, Circuit Diagram, and Applications
Converting AC power into usable DC is a fundamental requirement in electronics design.Because most electronic systems operate on DC, engineers rely o [...]
DDR4 vs DDR5 for Embedded AI Systems
Selecting between DDR4 vs DDR5 is not a “newer is better” decision when you’re building embedded AI systems.
At the edge, RAM is not just for the [...]
PCF8574 I2C Address, Pinout & Interfacing Guide (2026 Update)
This is the PCF8574 I2C Addressing and User Manual (Version 2026) written for 2026 include the latest TI/NXP datasheet revisions along with the addit [...]