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Pinout 5V - comes form USB-C VBUS and/or output of the regulator (VIN); MCU has operating voltage of 1.8 - 5.5V VIN - goes to the regulator and can be maximum 15 V; minimum 5 + ~1.1 (dropout) for regulator to regulate; MCU should run with 2.9 V 3V3 - ou...

e A register level TMS0805 CPU emulator on an Arduino Nano runs the original 320 instruction calculator program. A custom PCB houses it all. Resources Reversing Sinclair's amazing 1974 calculator hack Now Texas Instruments offered him an inexpensiv...

FreeCAD: Skrew box wall mount.FCStd STL: Skrew box wall mount-Body.stl

/etc/udev/rules.d/bj68.rules SUBSYSTEM!="usb|usb_device", ACTION!="add", GOTO="tablet_bj68_rules_end" # MediaTek BJ68 ATTRS{idVendor}=="0e8d", ATTRS{idProduct}=="201d", SYMLINK+="tablet-%k", MODE="660", GROUP="adbusers" LABEL="tablet_bj68_rules_end" ...

gpg --expert --full-gen-key # press 9 (ECC and ECC) # press 1 (Cureve 25519) # press 0 (not expire) # export gpg --list-public-keys gpg --export --armour <key_id> > pubkey.pem # import gpg --import pubkey.pem gpg --edit-key <key_id> trust # en...

Resources Manual: optiplex-7050-desktop-micro-owners-manual-en-us.pdf Hardware Model: Dell OptiPlex 7050 micro CPU: Intel Core i7-6700T (QC/8MB/8T/2.8GHz/35W) RAM: 16GB Disk: 2 TB SSD CPU Installed: Intel Core i7-6700T (QC/8MB/8T/2.8GHz/35W) ...

A newly revived philosophy for publishing personal knowledge on the web https://maggieappleton.com/garden-history/

Axially aligned bounding box (AABB) Closest Point in an AABB https://gamemath.com/book/geomtests.html#closest_point_aabb if (x < minX) { x = minX; } else if (x > maxX) { x = maxX; } if (y < minY) { y = minY; } else if (y > maxY) { ...

Filament_holder.FCStd Filament_holder-Body.stl Filament_holder-Body.3mf

Resources Manual: CASIO FX-700P.pdf Games: Cassio - Collection og games.pdf Usage Writing programs Enter write mode: MODE, 1 Select program S, 0 to 9 Enter program lines: <line no> <command> <args>, EXEC LIST to list the program (follow by line...

Kit number: 942527 RC2014 Mini II Picasso RC2014 Mini II (of which Picasso is a PCB variant) Schematic  A DS1233+5 will also keep the Z80 in reset state on power-on until the voltages have stabilised, meaning the Z80 should always boot cleanl...

Resources CamelForth Z80 On RC2014 Picasso (Minit II) ROM it is available in 8 KiB Bank 8 (JP: 0001). Port of Brad Rodriguez' Z80 CamelForth to the RC2014 Forth Tutorials Forth_Primer Forth overview Some Fort implementations like gforth are case-insensit...

hxd@hexadust.net -----BEGIN PGP PUBLIC KEY BLOCK----- mDMEaHqdSBYJKwYBBAHaRw8BAQdA75kN9QJdezzcDurY6V+pvGavhDov1/vt6CJ8 /mi6H5O0HEhleGEgRHVzdCA8aHhkQGhleGFkdXN0Lm5ldD6IkwQTFgoAOxYhBP8W 5f2kKHpLAY6y39QdL23Ly3Q8BQJoep1IAhsDBQsJCAcCAiICBhUKCQgLAgQWAgMB Ah4H...

Default config [user] email = hxd@hexadust.net name = Hexa Dust signingkey = FF16E5FDA4287A4B018EB2DFD41D2F6DCBCB743C [pull] rebase = true [init] defaultBranch = main [commit] gpgsign = true Sign commits [user] email = hxd@hexadust.net na...

Migration to bigger SD card No tool under Linux can extend ExFAT filesystem. Files have to be copied. Replicate partition layout from old SD card to new cardt. Disk Destroyer can be used to initialize the partition with same IDs etc. by coping some data over...

Exporting STL Best way is to use Mesh workbench and Create mesh from shape... . Once mesh is rendered it can be exported via File -> Export... and selecting STL.