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A GitHub project presented in a Show HN post describes Keybytes, a modular keyboard made from individual key modules that connect through pogo pins and magnetic cases. Its documentation lists the hardware design and components, but does not establish production plans, pricing, or independent testing.
A developer has published Keybytes, a keyboard design built from individual, rearrangeable key modules, each with its own microcontroller. The project’s GitHub documentation describes magnetic cases and pogo-pin connections for power and data, alongside a separate main board that provides Bluetooth and USB; it shares design files and a video demo, but does not say whether a finished product will be sold.
The project uses two kinds of boards, both measuring 1u, or 19.05 mm by 19.05 mm. A “Keybit” contains a Cherry MX switch and a CH32V003 RISC-V microcontroller. Pogo pins on all four sides carry 3.3-volt power, ground and I2C, allowing the modules to connect to one another or to the “Keyword” main board. Corner pads on each Keybit are for programming.
The Keyword main board is described as two stacked PCBs. Its upper board carries an STM32WB55RGV6 microcontroller, a ceramic Bluetooth antenna and 2 MB of QSPI flash. The lower board includes USB-C, a BQ25895 battery charger and a TPS631000 buck-boost converter. The documentation also lists solder pads for a single-cell lithium-polymer battery, an RGB status LED and programming connections for the Keybits.
According to the project page, the modules’ magnetic cases hold the assembly together, while firmware can be programmed from the main board over the pogo-pin connections. The developer provides KiCad board designs and Onshape case files, and lists an MIT license. A linked video demo is included, but the page does not provide measured battery life, wireless range, durability results or a bill of materials and finished-unit price.
A Keyboard Built From Individual Keys
Keybytes takes modularity down to the level of a single key: rather than changing a keyboard’s layout only in software, users could rearrange the physical modules and connect them along their edges. That makes the project relevant to keyboard hobbyists and hardware builders interested in custom layouts, repairable components or electronics that can be assembled in different configurations.
The design also puts a microcontroller on every Keybit, rather than relying on a single controller to scan a conventional keyboard matrix. The project’s description says the modules communicate over I2C and pogo pins, with the main board handling Bluetooth, USB and programming. This is a documented architecture, not evidence that it outperforms standard keyboards or is ready for everyday use. Practical questions include the cost and complexity of producing many small boards, the stability of magnetic connections and how reliably the firmware handles varied layouts.
Because the project publishes circuit-board and case design files under an MIT license, other makers can inspect or adapt the design subject to the license terms. That openness gives readers more than a product announcement: it offers a hardware project to study. The source does not establish that the files have been independently reviewed or that a community has reproduced the keyboard.
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How the Keybit and Keyword Connect
The GitHub page presents Keybytes as a modular keyboard and organizes its documentation around a demo video, the PCB designs, the case and project credits. It credits KiCad for circuit-board design, Onshape for the case, Blender for renders, STM32CubeMX and Hack Club Forge. The repository is the source for the hardware details described here; no separate product listing, manufacturing announcement or independent review is included in the supplied material.
The distinction between the two boards explains how the modular concept is intended to work. Keybits provide the switches and per-key controllers, while the Keyword supplies the central connections and features such as USB, charging and Bluetooth. Every Keybit is the same stated 1u footprint, and its edge contacts are designed to link with neighboring modules. Magnetic cases are intended to keep the resulting arrangement together.
The source identifies several specific components, but a parts list alone does not confirm real-world performance. The documentation describes a battery charger and solder pads for a battery, for example, but does not state how long a charge lasts or whether a battery is included in any build. Likewise, listing Bluetooth hardware does not specify supported operating systems, connection behavior or wireless performance.
“A truly modular keyboard with rearrangeable keys, magnetic cases and Bluetooth!”
— Keybytes project description on GitHub
Build Status and Performance Details
The supplied project page does not say how many complete keyboards have been assembled or tested, whether the design is still being developed, or whether the creator plans to sell kits or finished units. It also gives no price, production schedule or availability. The presence of a video demo and design files does not, on its own, answer those questions.
Several practical details are absent from the provided material: battery capacity and runtime, Bluetooth range, supported host devices, typing latency, case materials and the durability of the magnetic and pogo-pin connections. The page identifies the hardware components but does not report benchmarks or independent testing. It is also unclear how users would configure firmware for different physical layouts or whether all arrangements are supported.
Reproduction and Project Updates
The project page points interested readers to its PCB files, case files and demo video, which are the available next steps for examining or attempting to reproduce the design. The documentation lists an MIT license, but builders would still need to check the repository for complete manufacturing files, component availability and any instructions not covered in the supplied description.
No launch date, sales plan or future development milestone is stated. Further updates from the project creator could clarify whether the design has been tested beyond the demo, what a complete build costs and how the keyboard handles everyday use. Until then, Keybytes is best described as a published modular keyboard design, not a confirmed commercial product.
Key Questions
What is Keybytes?
Keybytes is a documented keyboard hardware project built from individual key modules called Keybits and a central Keyword board. The project page includes PCB and case design files and a demo video.
How do the key modules connect?
Each Keybit has pogo pins on all four sides for 3.3-volt power, ground and I2C. The project says the modules can connect to the Keyword main board or to other Keybits, while magnetic cases hold them together.
Does Keybytes support Bluetooth and USB?
The documented Keyword main board includes an STM32WB55RGV6 and a ceramic Bluetooth antenna, as well as USB-C. The source does not specify wireless range, supported devices or measured performance.
Can readers buy a Keybytes keyboard?
The supplied GitHub material does not announce a commercial product, price or sales schedule. It provides design files under an MIT license, but availability of parts or assembled units is not stated.
Has the design been independently tested?
The source includes a video demo and hardware documentation, but does not provide independent testing or reported results for battery life, durability, latency or wireless range.
Source: github.com
