M5Stack & AWS IoT

First steps with the M5Stack IoT EduKit. Nice package and decent instructions.

Saleae Logic Analyzer – First Impressions

Using a logic analyzer is a new experience for me. And it seems I got a really good one which is also very programmable.

PCF8583 and Espruino

Use the real time clock PCF8583 with Espruino

openLRSng

Use openLRSng TX/RX to move a servo.

LEGO+ and M5Stack

M5Stack and LEGO+ module DC Motor to control an old NXT LEGO Motor.

Mijia LYWSD03MMC, BLE and Node.js

Reflashing Xiaomi Mijia LYWSD03MMC allows you to read the environment data easily via BLE. Here is are 2 small Nodejs programs to simplify this a lot.

firejail Command Completions for zsh

Creating a zsh completion for firejail

Comparing Sandboxing Tools

Comparing some tools to make it less dangerous to run code you did not write. Sandboxing seems to be the best way to go like Deno and wasmtime do. But what about Python, Node.js, etc.?
firejail seems to be have hit the sweet spot between “secure” and “convenient”.

Humanoid Hunt! In Dart!

After doing a quick&dirty Node.js implementation of the Humanoid Hunt puzzle, I tried the same in Dart. It’s surprisingly similar, but this time I tried to create tests and I wanted to see what will be the result when I try the “real” puzzle. And ‘lo and behold: after creating all the logic and test

Humanoid Hunt!

Sometimes advertising is fun. I turned off my ad-blocker for certain web pages, and while I usually get boring advertising, once in a while you get a good and interesting looking one. In this case: https://hunt.reaktor.com/ : it’s a programming quest similar to Google Foobar Challenge, but much shorter and simpler, yet with a very