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2025/01/01

How to use / navigate this blog

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This is a quick summary of how to use / navigate this blog. Announcements: Sep. 24, 2018: The broken HTML Sitemap has been fixed. Hope i...
2020/07/11

How to create and prepare design for CNC machines (laser cutter, milling machine, router, etc)

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This is a quick write up about how to create and prepare designs for CNC machines (laser cutter, milling machine, etc). The software tools...
2020/05/23

Arduino IDE - How to update the arduino core of the installed board

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This is a quick write up on how to update the Arduino core of ESP32 and ESP8266 in Arduino IDE. 1. Navigate through Tools -> Board ->...
2020/05/02

How to measure power supply noise

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I recently built a power supply board using LM2596S-3.3 and I wanted to find out about its output noise. Below is a quick write up on how I ...
2020/04/07

ESP32 - OTA firmware update using Arduino IDE

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This post is a quick write up of me following the instructions provided by G6EJD on how to do OTA firmware from inside Arduino IDE. His in...
2020/03/24

支援32GB SD Card, 可調整觸發距離, 可連網之危害告知器 - v2

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***此說明中所用的危害告知器為v2版本*** Revision History:  - v1 @ 2020/3/24: 第一版 功能說明: 本裝置透過超音波偵測環境中之物體, 當物體與本裝置間之距離小於預設值時將觸發本裝置之告警功能. 本裝置之觸發距離可以...
2020/03/14

ESP8266 - How to embed bootstrap in the SPIFFS disk of ESP8266

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This is a quick write up of me following the instruction at the link below to try out embedding bootstrap in the SPIFFS disk of ESP8266. E...