CRKBD Split Keyboard PCB (Corne, Helidox)

Front side: Corne Split Keyboard PCB - Kailh Hot Swap Choc V1/V2 - CRKBD

Back side: Corne Split Keyboard PCB - Kailh Hot Swap Choc V1/V2 - CRKBD

€14.00*

€11.76 excl. sales tax

* Prices incl. VAT (if any) plus shipping (and customs duties, if any)

1 Review

Variant

Choc Black PCB

Choc White PCB

Light Black PCB

MX Black PCB

MX White PCB

Parts Kit

UltraLight Black PCB

Product number: KC10022_CHOC_BK

Product information "CRKBD Split Keyboard PCB (Corne, Helidox)"

Switch led's (SK6812 Mini-E) are easier to solder, due to the flat leads
You need 42x SK6812 Mini-E (switch rgb light) and 12x normal WS2812 5x5mm (underglow) for both sides
North-facing switches (Choc South-facing)
Pcb's not reversable anymore
LeadFree HASL PCB surface finish

Variants

MX PCB:

This is the standard V3.0.1 version of the CRKBD Split Keyboard PCB
Includes 2x MX PCB v3.0.1 [Build Guide]
Uses WS2812 LED for underglow
This PCB version works only with Kailh MX Hot Swap sockets (PG1511) & Cherry MX and clone switches.
You also need the Parts Kit (choose from drop down menu), 42x MX switches, 42x Kailh MX Hot Swap sockets, 2x Pro Micro or Drop-In replacment (Helios, Puchi-BLE, ...), TRRS(4 pole) cable, MX Keycaps, OLED SSD1306 0.91 (optional), 42x SK6812 Mini-E (switch rgb light) and 12x WS2812 5x5mm (underglow) for both sides.

Choc PCB:

V3.2 Choc PCB with support for SK6812 Mini-E for per key LEDs (LED order are the same), NEW batterie solder points and optional on/off switch for wireless builds
Includes 2x Choc PCB
Uses WS2812 for underglow
Support for Choc V1 and V2 switches
You also need the Parts Kit (choose from drop down menu), 42x Choc switches, 42x Kailh Choc Hot Swap sockets, 2x Pro Micro or Drop-In replacment (Helios, Puchi-BLE, ...), TRRS(4 pole) cable, MX or Choc Keycaps, OLED SSD1306 0.91 (optional), 42x SK6812 Mini-E (switch rgb light)and 12x WS2812 5x5mm (underglow) for both sides.
Optional: 2x on/off switches for a wireless build

Light PCB:

This is the Light V2.0.0 version of the CRKBD Split Keyboard PCB
Includes 2x Light PCB v2.0.0 [Build Guide]
Support for MX, Choc V1 and Choc V2 switches
SMD or Through hole (easier to solder) diodes can be used
Optional: outer column break away
No RGB LEDs, No Hot-Swap
You also need the Parts Kit (choose from drop down menu), 42x MX/ChocV1/ChocV2 switches, , 2x Pro Micro or Drop-In replacment (Helios, Puchi-BLE, ...), TRRS(4 pole) cable, Keycaps, OLED SSD1306 0.91 (optional)

UltraLight:

This is the UltraLight V2.0.0 version of the CRKBD Split Keyboard PCB (very similar to the Light PCB, but optimised for wireless builds)
Includes 2x UltraLight PCB v2.0.0
Support for MX, Choc V1 and Gateron KS-27 switches
SMD or Through hole (easier to solder) diodes can be used
Optional: outer column break away
No RGB LEDs, No Hot-Swap
Support for an On/Off switch, battery JST socket and solder points for the nice!view
You also need the Parts Kit (choose from drop down menu), 42x MX/ChocV1 switches, , 2x Pro Micro or Drop-In replacment (Helios, Puchi-BLE, Nice!Nano), Keycaps, Nice!View (optional) and 2x on/off switch

Parts Kit includes:

42x SMD Diodes
2x TRRS Jacks
2x Reset Switches
2x 4Pin Sockets (for Oled)

Photos of the completed keyboard are for demonstration purposes only.
Please note that this pcb must be assembled (soldering) and does not include mcu, switches or keycaps.

PCB design by foostan
UltraLight PCB design by Pete Johanson

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1 review

12 March 2021 14:53

V3 crkbd in Europe!

Great PCB quality. I love the muted design, it's way calmer (not as noisy) visually than the previous crkbd versions. Not flippable. Mini-E SMD LEDs make backlight soldering a breeze. This PCB goes great with the Keycapsss FR4 corne case also sold in this shop.

Safety information

Manufacturer: Keycapsss | Benjamin Rösner, Löhrstr. 11, 04105 Leipzig, Germany
Contact: Keycapsss.com

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This case is only compatible with the MX version of the pcb. The Choc switches are not heigh enough to go through the 3mm top plate.For Choc i recommend the carbon plate case. The switches snap into the plate and carbon is very stiff. This carbon case is compatible with MX and Choc version. Includes: 2x Acrylic 3mm top plates 2x Acrylic 3mm bottom plates 2x Acrylic 3mm clear Oled cover (has bluish protection film) Screws and spacer (stainless steel screws with T6 Torx) Self adhesive rubber feet (clear) Photos of the completed keyboard are for demonstration purposes only (only case included).

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0.91 OLED LCD Display 128x32 SSD1306 I2C

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CRKBD Corne dampening foam

For CRKBD (Corne) split keyboard keyboard (only for V3 and below) Set for left and right half Variant: Top 3mm precut Poron foam Place between top plate and pcb Variant: Mid (Cherry) Compatible with Corne V3 Cherry (Hot-Swap) 2mm precut Poron foam Place between pcb and bottom plate

€6.90* €7.90* (12.66% saved)

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SK6812 Mini-E RGB SMD Led

Sold in packs of 10 (Quantity 1 = 10 led's). not compatible with the normal CRKBD pcb Power supply voltage: +3.7~+5.5V Not 1to1 compatible with SK6812 MINI (different pinout) 0.2W Datasheet

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WS2812 RGB Led's 10PCS

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Kailh

Kailh Hotswap PCB Sockets 10 pcs

MX Sockets (PG1511) compatible with Cherry MX switches and clones Choc Sockets (PG1350) compatible with Kailh Low Profile switches Sold in packs of 10 (Quantity 1 = 10 sockets). Require a compatible PCB

Content: 10 Unit (€0.19* / 1 Unit)

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2x TRRS jacks 3.5mm

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through hole connector single row socket headers series 315 12 position

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Single Row Socket Headers or Pins (Mill-Max Series 315)

Sockets does not include the Pins. These can be ordered separately from the Drop-Down Menu. Sockets 1x QTY includes 2pcs socket headers, for a Split-Keyboard you need 2x QTY (4pcs socket headers) Pitch: 0.100" (2.54mm) Contact Finish: Gold Header Datasheet Link Pin Datasheet Link Instead of the pins, you can use legs from diodes or resistors Pins Length: 0.250" (6.35mm) Diameter: 0.020" (0.51mm) For a Split-Keyboard you need 2 QTY (4x Sockets) Example how to use the sockets.

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CRKBD PCB Plate Case Gatsby Black Silver

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Variant: Puchi-C

The Puchi-C is discontinued, due to it's old chip (Atmega32U) and better alternatives.I recommend the Helios. It's a 1:1 replacement for Pro-Micro, or Puchi-C, with more memory and ESD protection. The new Puchi-C Rev2 has castellated holes and is even lower (3.3mm). To make the Puchi-C low as possible, the reset button has been removed.Incorrect silkscreen labeling with this batch: Short edge connector D7 is B7 Due to the chip shortage, the price for the Atmega32u4 chip has tripled. That is why I had to raise the price. Compatible with all Pro Micro based PCB's Works with USB-A to USB-C and USB-C to USB-C cable ATmega32u4 controller Running at 16MHz and 5V USB-C connector (mid-mounted) DFU bootloader 5 additional ATmega32u4 pins and USB pins broken out Blue power led 24 IO pins, +5 pins (see pinout diagram for front and back view) The Puchi-C comes without header pins, to keep the price low as possible.I highly reccommend to use the "Single Row Sockets" from Mill-Max, the cheaper alternative, or the "Spring-loaded pin headers".You can find the standard pin header here.

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