Chapter 4. Frequency and the Fast Fourier Transform
Image denoising by FFT
Blurring an image with a two-dimensional FFT

github.com/PacktPublishing/Python-Image-Processing-Cookbook, Python Image Processing Cookbook

STM32 USB training – 09.1 USB CDC device basic labs

Printed circuit board milling

LPKF Laser & Electronics AG
Othermill Pro – Compact Precision CNC + PCB Milling Machine
Bantam Tools
Bantam Tools Desktop PCB Milling Machine
Bantam Tools Desktop PCB Milling Machine
Voltera V-One PCB Printer
CNC Wegstr, CZECH REPUBLIC

Software

github.com/martin2250/OpenCNCPilot, OpenCNCPilot is a GRBL compatible G-Code Sender
Line Grinder, Gerber to GCode Isolation Milling (2011)
Candle
CNC-MINI-FRÄSE: DER WEG ZUR GEFRÄSTEN PLATINE

First prototype !
5″ 800×480 capacitive touch LCD with built-in ft811 graphics controller

Source Measure Unit (SMU)

5″ Graphical IPS LCD capacitive touch screen, 800×480, SPI FT811
5″ inch 800×480 TFT LCD Display + Touch Panel, Standard 40 PIN

kickstarter: terraplanter – visibly follow the journey from seed to plant
A Terraplanter Alternative (MUCH CHEAPER)
How to make DIY Ollas: Self-Watering Systems for Plants
CLAY POT IRRIGATION : THE LATEST AND GREATEST IN GARDEN HARDWARE
Water Conservation – Part 1
A Simple Clay Pot Could Replace Your Noisy Air Conditioner
Be Cool: Terra Cotta Pot Cools the Air Using Only Water
Experimental Comparative Analysis of Clay Pot Refrigeration Using Two Different Designs of Pots (PDF)

• porrous terracotta pot
• clay pots
• irrigating (bewässerung)

Euganea Tontopf

Einstieg in die Entwicklung mit RISC-V-basierten Mikrocontrollern
„Mr. Wolf“ – der RISC-V-Prozessor, der IoT-„Probleme löst“
Wie funktioniert RISC-V? Grundlagen der offenen Befehlssatzarchitektur

STM32Cube Ecosystem
STM32CubeMX
STM32CubeIDE

STM32CubeF3

STLinkUpgrade

STM32CubeMX C Code generation

• stm32f4xx_hal_conf.h
• stm32f4xx_hal_msp.c (MSP = MCU Support package)
• main.c
• main.h

Blog

STM32CubeIDE: The First Free ST IDE with STM32CubeMX Built-in

YouTube

MOOC – STM32CubeMX and STM32Cube HAL basics (Playlist)
MOOC – STM32CubeIDE basics
How to build a “Blink LED” project from STM32CubeMX for ST/Atollic TrueSTUDIO for STM32
STM32 Tutorials by Controllers Tech (Playlist)
DAC in STM32 || Sine wave || HAL || CubeIDE
STM32 4 SWO Output
Tutorial CubeMX 4 External Interrupts EXTI

STM32 by Web learning

STM32, by Web learning (Playlist)
HAL: #1 How to – GPIO
HAL: #2 How to – GPIO Interrupt
HAL #10: HowTo Timer with Interrupt
HAL #11: HowTo use the DAC

Theory of solar cells
Shunt Resistance

Protect code when accessing shared resources
ESP-IDF FreeRTOS SMP Changes
FreeRTOS Additions
Arduino ESP32 FreeRTOS 4: How to use Binary Semaphore – Mutex – Counting semaphore – Critical section for resources management
ESP32 Arduino: External interrupts