TL;DR: I’ve invested way too much time and money in this thing Introduction I’ve printed for over a month now. Various things broke and some improvements weren’t improvements after all. New bed surface I’ve tried a lot. The best is borosilicate glass. It just works and the bottom is sooo smooth. This here
TL;DR: You have a lot of work to do until this is usable Introduction I’ve bought an Anet A8 für 143€, everything included. It’s a clone of the the Prusa i3 and available under all kinds of brandings and with every changing components. Here are the things I’ve learned on my way. Common Errors which have
TL;DR: Cheap powerbanks are overrated I’ve bought a few powerbanks like this one: These are the common problems: 1. Outdated and underrated SMPS These power banks have to convert the battery’s voltage from 3.0V – 4.2V to the USB’s 5V. You can see the inductor with propably 3.3uH at the bottom left just above the
TL;DR: USB flash-drives can be repaired in Software. I have broken quite a few USB-flash-drives in my life. It’s commonly not the file system but something in the nand-flash itself, caused by too many read/write-cycles, caused by compiling me gentoo system. BTRFS states these errors: [30368.777688] BTRFS: bad tree block start 18446744073709551615 63586304 [30368.778927] BTRFS:
I bought one of those cheap chinese Qi chargers. It’s only $6.28, including shipping. It charges my Nexus 4 flawlessly and is definitively worth the money. The specifications say it draws up to 1500mA at 5V (USB). You can get the actual charging current via adb, depending on your device: adb shell “cat /sys/class/power_supply/battery/current_now” mine