 |
| 用過OK的「蝦皮牌」 ABS線材 |
另外，ABS 線材比 PLA 多耐熱一百度，到 160、170度才會變軟。還能溶於便宜的丙酮，清理噴頭的時候，直接把噴頭拆下，丟到裝有丙酮的小玻璃瓶裡面（我是用雞精瓶、保鮮膜封口），隔天用牙籤、牙刷，就能把噴頭管壁上的陳年線材，清理得乾乾淨淨、開口通暢。更重要的是，ABS 線材的價格不貴，蝦皮上一捆 2xx元的ABS就很好用了。
3D列印，改用 ABS 線材。如何預防翹邊？
如何讓3D列印機，印出完美的第一層？
相信很多3D列印新手，跟我一開始接觸3D列印一樣，從影片中學到，用一張紙片來調平列印平台。也就是將噴頭位置歸零以後，把噴頭移到加熱平台（加熱床）的幾個角落，然後旋轉最靠近噴頭尖端的那個平台調高螺絲旋鈕，調整平台高度，並試著讓噴頭跟平台夾住紙片，調到讓紙片有點緊，又不太緊的程度。調好以後，換下一個角落重複以上動作。直到所有角落都調平後，再移動噴頭到平台中間位置，看看是不是OK，不行的話，重複上面的步驟，直到所有位置都"差不多"為止。Is Gallery3 Compatible with PHP7? Yes!
After the OS was upgraded, Gallery3 service showed an error message of HTTP Error 500. I've tried to debug the reason with xdebug, but it didn't show any helpful messages. I tried to find out some information from Google, but it is said that someone said Gallery 3 is not compatible to PHP7. It was sad of the compatibility bad news.
Anycubic Mega-S Cura Settings 列印機設定
In order to slice the stl model correctly and use full functions in Cura for my new Anycubic i3 Mega S, I need to modify the settings from the original default settings of "Anycubic i3 Mega" in the "Add Printer" menu. Most of the default settings are incorrect for my new Mega-S, need to be corrected.
Cura 新增列印機的選單中，有個現成的設定，但是裡面的設定不對，需要改動。選用多模型各別完成列印 (One at a Time) 的功能（在列印順序，Print Sequence 選項），設定錯誤，會造成模型撞機，擺放會造成撞機的狀況，Cura 會自動警告，而且不會執行切片工作。
Cura 新增列印機的選單中，有個現成的設定，但是裡面的設定不對，需要改動。選用多模型各別完成列印 (One at a Time) 的功能（在列印順序，Print Sequence 選項），設定錯誤，會造成模型撞機，擺放會造成撞機的狀況，Cura 會自動警告，而且不會執行切片工作。
Print Sequence selection in Cura
Anycubic Mega mainboard pinout 3D列印機主板腳位
I've used my first 3D printer, Dreamaker, for more than 5 years. After upgraded the firmware to Marlin 2.x.x for weeks, the power supply was damaged last week. Luckily, I found the same 24V 10A power supply from a Taiwanese Shopee seller, and it was repaired. However, there are still some small issues left, such as noisy fan, dirty bearing, wore rod sleeve, dirty bearing... It needs overhaul, although it will be a nightmare..., when I cannot forget how it was assembled by my hands. Honestly speaking, a Ultimaker-like 3D printer is not really good design for maintenance.
Buying a new 3D printer was planed in my mind for a period due to the above reasons. Last week, I purchased a new 3D printer, Anycubic i3 Mega-S, which is a Prusa i3-like 3D printer with wonderful price. There are many Youtuber reviews as well as the printed samples, so, I selected this one as my second 3D printer.
Buying a new 3D printer was planed in my mind for a period due to the above reasons. Last week, I purchased a new 3D printer, Anycubic i3 Mega-S, which is a Prusa i3-like 3D printer with wonderful price. There are many Youtuber reviews as well as the printed samples, so, I selected this one as my second 3D printer.
Anycubic i3 Mega
用 Arduino 寫 NodeMCU V3 的 Blink 程式但 LED 不會閃
NodeMCU 是一款基於 ESP-12E WiFi 無線微控制器的開發板，本身已經內建了USB To TTL 晶片，因此在開發的時候，直接連接板子上的 Micro USB 接頭到電腦，就可以直接燒寫，而且支援 Arduino IDE 開發環境，對於原本就熟悉 Arduino 的開發者來說，拿到就可以直接上手。
拍賣網上，可以找到好幾款不同版本的 NodeMCU，價格不一。我買到的這個版本，叫做「NodeMCU V3 Lua WiFi 開發板」，不到 NT$70 就能買到（作為數位 I/O 控制，你說，這個價格，要我選擇 Arduino Nano 還是它？）。
拍賣網上，可以找到好幾款不同版本的 NodeMCU，價格不一。我買到的這個版本，叫做「NodeMCU V3 Lua WiFi 開發板」，不到 NT$70 就能買到（作為數位 I/O 控制，你說，這個價格，要我選擇 Arduino Nano 還是它？）。
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