I maintain many ansible roles. Some are dated back to a decade ago. I would like to document how I write ansible roles and why. In this post, I will describe why I write my own roles, rules I follow, and how I write roles. I will not explain ansible how-to, but how I design my roles. If you are looking for how to do something with ansible, look elsewhere. If you want to know how others develop...
I have been developing applications for ESP32 and ESP8266 devices on FreeBSD for quite some time. Here is a summary of how to develop code for the embedded devices on FreeBSD.
I recently bought two ESP32-S2 development boards, ESP32-S2-Saola-1 and nanoESP32-S2. ESP32-S2 is a recent addition to ESP32-family, a scaled-down version of ESP32 with new peripherals and features. I have several ESP32 (and tons of ESP8266) for developments, but not many ESP32-S2. While waiting for the latest products — ESP32-C3 — from espressif, I would like to test the libraries and projects...
As a maintainer of esp-idf-lib, I would like to test the library on ESP32S2, a single core version of ESP32. At the moment, the only ESP32S2 development board available from AliExpress — the only practically feasible distributor in the country where I live — is one from LilyGo. LilyGo, a Chinese manufacturer, has a broad range of ESP32 development boards. As their boards are kind of hit-or-mis...
中国からカンボジアへの物流状況について記事を書いてから(物流システムもCovid-19から徐々に回復)、AliExpressで発注をしてみた結果の報告です。簡単に言うと、Covid-19以前よりも時間はかかるが、だいぶ速くなったという感想です。