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Kalkulators - calculator and a numpad in one.

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Description

IC FORM

Kalkulators - a calculator and a numpad in one.

Index.
1. What is Kalkulators?
2. Features
3. Dimensions
4. Gallery
5. Kit contents
6. Pricing

1. What is Kalkulators?

Kalkulators is an 8 digit 7-segment display calculator running on 1xAA battery. On USB-C, it can act as a regular numpad/macropad.

The assembly is an FR4 sandwich consisting of a backplate, main PCB and a switch plate. The 7-segment displays are guarded by a smokey acrylic plate. Uses M2 hardware.

2. Features, specs.

- 8 digit 7-seg display, color blue
- display dimming
- STM32 mcu
- support for QMK and VIA, meaning, firmware can be tailored to your exact needs
- supports MX switches and PCB mount stabilizers
- USB-C
- auto switching between calculator and regular keyboard mode, when connected to a host computer
- Largest possible calculated/displayed number: 99'999'999

3. Dimensions

76 mm x 204 mm
Height from unit's bottom to acrylic guard's top: 30 mm

4. Gallery

5. What's in the kit?

The Kalkulators kit consists of:
- An assembled PCB ( minus switches & stabilizers )
- FR4 switch plate
- FR4 back plate ( One side has an embossed mathematical sign design, the other side is plain black FR4 color. You can choose which side to show. )
- Laser cut acrylic screen guard
- M2 hardware needed for assembly

You have to bring your own switches, 3x2U PCB mount stabilizers and, of course, your favorite keycaps