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Compare Cidoo Nebula vs KEEBD Contra Differences Side by Side

This comparison is for builders deciding between a fully-featured pre-built kit and a barebones DIY project. The Cidoo Nebula offers a modern 65% layout with wireless connectivity and hot-swap sockets, while the KEEBD Contra is a 40% ortholinear kit requiring soldering. The decision hinges on your need for convenience and features versus a challenging, minimalist build.

73
CIDOO Nebula VIA Keyboard Kit
Contra 40% Keyboard Kit

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3.4 (48)
0.0 (0)
  • Released in 2023
  • Supports hot-swappable switches
  • Available in a 65% layout
  • Comes with a knob
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Supports VIA configuration
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 3000 mAh battery
  • Weighs about 457 g
  • Sized at 35 x 120 x 325 mm
  • Made with a ABS case
  • Offers Yes, Rgb RGB lighting
  • Released in 2021
  • Has Tactile switch options
  • Available in a 40% layout
  • Includes screw-in stabilizers
  • Made with a Acrylic, Plastic case
  • Offers No RGB lighting
Scores
  • Performance: 47.9
  • Build Quality: 63
  • Productivity: 73.5
  • Customizability: 85.1
  • Portability: 88.1
Scores
  • Performance: 54.6
  • Build Quality: 40.7
  • Productivity: 46.5
  • Customizability: 52.1
  • Portability: 60.1
Name
Cidoo Nebula
Name
KEEBD Contra
Release year
2023
Release year
2021
Switch Options
-
Switch Options
Tactile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
40%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Polling Rate
-
Polling Rate
-
Battery capacity
3000 mAh
Battery capacity
-
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Case Colors
Case Colors
Case Material
ABS
Case Material
Acrylic, Plastic
Keycaps Material
-
Keycaps Material
-
Dimensions
35 x 120 x 325 mm
Dimensions
-
Weight
457g
Weight
-
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Pros and Trade-offs

For most users, the Cidoo Nebula is the recommended choice. It delivers modern features like wireless connectivity, hot-swap sockets, and a gasket mount in a usable 65% layout for a reasonable price. Only choose the KEEBD Contra if you specifically desire the challenge of building a soldered, ultra-compact 40% ortholinear keyboard and are comfortable with its significant layout limitations.

Cidoo Nebula

  • +Versatile three-mode connectivity (Bluetooth, 2.4 GHz, wired).
  • +Hot-swappable PCB with full VIA programming support.
  • +Includes a gasket mount structure with Poron and IXPE foam padding.
  • +Features a volume knob and RGB backlighting.
  • +Comes with a 3000mAh battery for extended wireless use.
  • −Requires purchasing separate switches and keycaps to complete.
  • −The ABS case material may feel less premium than metal alternatives.
  • −Larger 65% form factor is less portable than smaller layouts.

KEEBD Contra

  • +Extremely affordable entry point for a DIY keyboard kit.
  • +Ultra-compact 40% ortholinear layout maximizes desk space.
  • +Includes an FR4 plate and acrylic bottom plate in the kit.
  • +Designed by a known community designer (ai03).
  • −Requires soldering diodes, a controller, and switches (not included).
  • −The 40% layout has a steep learning curve and lacks a number row.
  • −No built-in wireless connectivity or battery.
  • −Does not include stabilizers or a microcontroller in the base kit.

Which Keyboard Is Better for Your Needs?

The Cidoo Nebula is the more versatile choice, winning in gaming, office, programming, modding, and content creation due to its practical layout, wireless features, and customization options. The KEEBD Contra's sole victory is for travel, where its extreme compactness and lower cost are primary advantages. For most users seeking a daily driver, the Nebula's feature set is more applicable.

GamingCidoo Nebula
  • •The Cidoo Nebula's 65% layout retains dedicated arrow keys, which are commonly used in games.
  • •It offers versatile three-mode connectivity including a 2.4 GHz wireless option for a stable connection.
  • •The vendor description mentions a gasket-mounted structure with foam padding for a softer typing feel.
OfficeCidoo Nebula
  • •The Cidoo Nebula's 65% layout includes a number row and arrow keys, which are essential for data entry and spreadsheet navigation.
  • •It supports dual systems (Mac/Windows) and has a volume knob for easy media control.
  • •Its wireless connectivity and 3000mAh battery, as stated by the vendor, support a clean, cable-free desk setup.
ProgrammingCidoo Nebula
  • •The Cidoo Nebula's 65% layout provides more readily accessible keys and a number row compared to a 40% board.
  • •It features full VIA programming support for extensive key remapping, as confirmed by the vendor.
  • •The hot-swappable design allows programmers to easily try different switch types for long typing sessions.
TravelKEEBD Contra
  • •The KEEBD Contra's 40% ortholinear layout is significantly more compact than a 65% board.
  • •Its kit form, with separate components, can be more space-efficient to pack.
  • •The Contra is a more affordable kit, reducing risk if damaged during travel.
ModdingCidoo Nebula
  • •The Cidoo Nebula is a hot-swappable kit, allowing for switch changes without soldering.
  • •It includes a gasket mount, Poron and IXPE foam padding, and supports VIA for firmware customization.
  • •The vendor description confirms it is sold as a complete kit with a case, PCB, and plate, requiring only switches and keycaps.
Content CreationCidoo Nebula
  • •The Cidoo Nebula's dedicated arrow keys and volume knob are useful for timeline scrubbing and audio adjustment.
  • •RGB backlighting can be customized for aesthetic streaming setups.
  • •Wireless connectivity helps reduce cable clutter on camera.

Frequently Asked Questions (FAQ)

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