First steps with the M5Stack IoT EduKit. Nice package and decent instructions.
Author Archives: hkubota
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 testContinue reading “Humanoid Hunt! In Dart!”
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 veryContinue reading “Humanoid Hunt!”