Operational Amplifier Basics
Amplifier Bandwidth
What is unity-gain bandwidth?
Gain–bandwidth product

YouTube

Introduction to Operational Amplifier: Characteristics of Ideal Op-Amp
Op-Amp: Gain Bandwidth Product and Frequency Response
Op-Amp Slew Rate Explained (with Examples)

Your Own Hardware: Using KiCAD to Design a Minimal STM32 Development Board

Ferrite Beads Demystified
Choosing and Using Ferrite Beads
Clean Power for Every IC, Part 3: Understanding Ferrite Beads

SD Card

over

• SPI => slow
• SDIO (1-, 4-, 8-bit) => fast

Adafruit MicroSD SPI or SDIO Card Breakout Board
Adafruit Micro SD SPI or SDIO Card Breakout Board – 3V ONLY!

Zephyr

SDHC

AliExpress

SD Card Module Shield Micro SD
Micro SD/ TF Dual Card Reader Module SPI/ SDIO
Micro SD Card Module TF Card Reader SDIO/SPI Interface

Facebook: Foil Arms and Hog

Documentation

ESP32

Question & Answer

Zephyr hello world application failed for ESP32
drivers: i2c: fix esp32 timeout parameter #24266
build hello_world sample failed for ESP32 board. #24227
drivers: i2c: fix esp32 timeout parameter
ESP32 Zephyr setup

• Separation of concerns (SoC) => more degrees of freedom => for simplification and maintenance of code
• Modular programing
• Encapsulation
• Information hiding

Keramikkondensator
X7R, X5R, C0G…: A Concise Guide to Ceramic Capacitor Types
Low ESR Capacitors: Fact or Fiction?
Why low ESR matters in capacitor design

• stm32 minimal circuit with oscillator

Your Own Hardware: Using KiCAD to Design a Minimal STM32 Development Board
Super Blue Pill — Like STM32 Blue Pill, But Better!

STM32F0 Tutorial 4: Timer and Counter
STM32 Basic Timer in Interrupt & PWM mode
TIMER Counter – for example for reading an Input button
STM32 timer and interrupts configuration with STM32CubeMx utility.

SDETER 1080P 720P IP Camera Security Camera WiFi Wireless CCTV Camera Surveillance IR Night Vision P2P Baby Monitor Pet Camera

Fentac V380 Connection
V380 stream url
Cannot connect Chinese 360 IP cam through ONVIF
hacking china IP camera – need help for rtsp , password for telnet