Keyboard Builders' Digest
5% off of Invokeys' tasty switches!
Keyboard Builders' Digest / Projects

SCI-CALC

SCI-CALC is a wireless mechanical calculator/macropad by techstacknerd.

KBD.news
Published February 21, 2023
Would you like to contribute to this year's MK Advent Calendar? Here are the guidelines for authors, along with last year's edition for reference.

Shaoxiongduan aka techstacknerd published his sci-calc project – a calculator and more:

The sci-calc (I know, really creative name) is a 4-in-1 device, packing a scientific calculator, a macropad/numpad, a handheld game console, and a development board all into one neat and sleek little device – shaoxiongduan.

Specs

  • Powered by an ESP32 WROOM32 E
  • Low-pro Kailh v1 choc switches
  • Screen: 256x64 monochrome oled (display driver: SSD1322)
  • Usb to serial chip: CH340C driver download
  • Battery: any lipo battery under 1000mah would be fine
  • SD card support (must be in FAT32 format)

Resources

Do you like this post? Share, donate, subscribe, tip me off!

Published on Tue 21st Feb 2023. Featured in KBD #114 (source).


Related

Anu

Aroum has a compact stick mouse: anu – with switches and analog stick.

Disorder30

Seili- built a Disorder30, mkylama's macropad design mimicking the 75% look.

Meishi2

Daihuku reports on the meishi2 exhibition hosted by Yushakobo, where 20 business card-sized keyboards were on display.

Waitier

Waitier is a stacked PCB one-key macropad by @yynmt_.

Chonkpad - A 3D printed MurphPad case

The Chonkpad is an open-source 3D printed MurphPad case by Customniches.

Multi-profile macropad

Jim Jackson created a macropad with customizable profiles read from an SD card.

×
top