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The ST-Link V2 is a USB Programmer and Debugger für Single Wire Debugger compatible controllers, like the Raspberry Pi Pico. It has the following pins: Pin Name Description 1 RST Reset pin of the target controller 2 SWCLK Debug cloc...

With cargo check you have an integrated linter in Rust. But additionally there is another linting tool called clippy. It is usually installed per default and can be executed using cargo clippy. It provides further linting options. Adding linting rules You ca...

28BYJ-48 The 28BYJ-48 is a geared stepper motor. One whole revolution are around 2048 steps (32 steps of the stepper motor with a 64:1 gear). The voltage of those motors differ, e.g. 5V or 12V. See the sticker on the motor for clarification. ULN2003 The 28...

Podman Quadlets are declarative configuration files for defining your infrastructure (containers, volumes, etc.). You can define those files and the call of systemctl daemon-reload will generate systemd files, so you can handle your podman service like a usual...

The Family The ESP32 is a whole family of microcontrollers. Depending on the type, they differ from e.g. CPU or Wi-Fi capabilities. Overview Chip CPU Wi-Fi Bluetooth USB ESP32 1–2× Xtensa, 240 MHz Wi-Fi 4 BT Classic + BLE ❌ ESP32...

For learning, I like to use LLMs to ask questions, get recommendations or review what I could do better with code I've written. Usually it is very straight forward and helping, but there are some occurances, which are just wrong, or maybe  even dangerous. For ...

I'm currently learning Nushell and I wanted to know, how I can fill a number with leading zeros. ChatGPT answered this: This translates to: -a 0 -> fill with 0 -w 5 -> to a with of 5 characters Okay, I found out, that the command fill exists. But the...

ufw (Uncomplicated Firewall) is a software, which helps modifying iptable rules on your linux machine. You can add rules which then are applied to the iptables of your system, to modify the IP traffic. Here some examples: Deny all incoming traffic Allow in...