The Best PCBs for Tofu65 Custom Keyboard

Last Updated on April 13, 2023

Custom mechanical keyboards are a great way to personalize your workspace and enhance your typing experience. One of the most popular custom keyboards on the market is the Tofu65, known for its sleek design, high build quality, and excellent typing experience. However, the key to building the perfect Tofu65 keyboard is choosing the right PCB (printed circuit board). In this article, we will discuss the best PCBs for Tofu65 custom keyboard and the factors to consider when choosing a PCB for your keyboard.

The Tofu65 Custom Keyboard

The Tofu65 is a custom mechanical keyboard designed and produced by the keyboard enthusiast community, specifically by a keyboard company called KBDFans. It is a 65% keyboard, which means it has 65 keys and is smaller than a full-size keyboard, but still larger than a compact 60% keyboard.

The Tofu65 has a minimalist design, with a sleek aluminum case and a low-profile layout. It comes in a variety of colors, including black, silver, gray, and blue, and allows users to choose their preferred switches and keycaps. The keyboard also features RGB lighting, allowing users to customize the color and lighting effects of the keyboard.

The Tofu65 is a fully programmable keyboard, meaning users can customize the function of each key to their preference. It uses the popular open-source firmware QMK, which allows users to create custom keymaps, macros, and shortcuts. This feature is particularly useful for users who want to optimize their typing experience and increase their productivity.

In addition to its programmability, the Tofu65 is also a hot-swappable keyboard, which means users can easily change their switches without needing to solder them onto the PCB (printed circuit board). This feature allows users to experiment with different types of switches and easily replace faulty ones without needing to purchase a new keyboard.

The Tofu65 is a popular choice among mechanical keyboard enthusiasts due to its customizable and versatile features. However, as a custom keyboard, it may require some technical knowledge and assembly skills to build and customize.

PCBs in Keyboards

A printed circuit board (PCB) is a crucial component in a keyboard as it serves as the foundation for the electrical connections between the various components of the keyboard. The PCB is responsible for connecting the switches, diodes, and LEDs of the keyboard together, allowing them to function as a cohesive unit.

In a keyboard, the PCB typically consists of a layer of fiberglass material with a thin layer of copper foil applied to its surface. The copper foil is then etched to create a pattern of electrical connections, which is designed to connect the various components of the keyboard together. This pattern is usually created using computer-aided design (CAD) software, which allows for precise control over the layout of the PCB.

Once the PCB has been designed, it is manufactured using a process called photolithography. This involves applying a light-sensitive material to the surface of the copper foil, which is then exposed to light through a mask that corresponds to the desired pattern of connections. The areas of the copper foil that are exposed to the light become hardened, while the areas that are not exposed remain soft.

The soft areas of the copper foil are then etched away using a chemical solution, leaving behind the desired pattern of connections. The remaining hardened copper foil forms the electrical traces that connect the various components of the keyboard together.

After the PCB has been manufactured, the various components of the keyboard, such as the switches, diodes, and LEDs, are then mounted onto the board using a process called surface-mount technology (SMT). This involves applying a layer of solder paste to the surface of the PCB, which is then heated, causing the solder to melt and bond the components to the board.

Once the components have been mounted onto the board, the keyboard is ready for testing and assembly. The PCB is connected to a microcontroller, which serves as the brain of the keyboard, interpreting the signals from the various components and translating them into keystrokes that can be sent to a computer.

Overall, the PCB is a critical component in a keyboard, as it provides the foundation for the electrical connections between the various components of the keyboard. Its design and manufacturing are crucial to the proper functioning of the keyboard, and any errors or defects in the PCB can lead to a malfunctioning keyboard.

Importance of Choosing the Right PCB for Your Keyboard

A printed circuit board (PCB) is the backbone of any keyboard as it connects all the components together. Therefore, it is essential to choose the right PCB for your keyboard to ensure optimal performance and longevity.

Here are some of the reasons why choosing the right PCB is important:

1. Compatibility: Not all PCBs are compatible with all types of switches and layouts. Choosing a PCB that is not compatible with your switches or layout can result in a malfunctioning keyboard.
2. Functionality: The functionality of a PCB can vary depending on the number of keys, the type of layout, and the presence of additional features like RGB lighting or programmability. Choosing a PCB with the right features can enhance the overall functionality of your keyboard.
3. Durability: The quality of the PCB can impact the durability of your keyboard. A high-quality PCB can withstand the wear and tear of daily use and prevent issues like PCB flex or corrosion.
4. Customization: If you plan to customize your keyboard, choosing a PCB with programmable features can make the process much easier. Programmable PCBs allow you to customize key functions, macros, and lighting effects, giving you complete control over your keyboard.
5. Aesthetics: The PCB can also impact the overall aesthetics of your keyboard, especially if it has RGB lighting or other visual features. Choosing a PCB that complements your keycaps and case can help create a cohesive and visually pleasing look.

In conclusion, choosing the right PCB for your keyboard is essential to ensure optimal performance, durability, and customization options. Consider the compatibility, functionality, durability, customization options, and aesthetics when selecting a PCB to make the most out of your keyboard.

Factors to Consider When Choosing a PCB for Tofu65 Keyboard

When choosing a printed circuit board (PCB) for a Tofu65 keyboard, there are several factors to consider, including:

• Size and Compatibility: The size and compatibility of the PCB is an important consideration when selecting a PCB for a Tofu65 keyboard. The PCB should be the right size and compatible with the case and keycaps of the keyboard.
• Programmability: Programmability is a key feature to consider when choosing a PCB for a Tofu65 keyboard. A programmable PCB allows the user to customize the key layout and functions of the keyboard, making it more versatile and efficient.
• Hot-swappable or soldered: Hot-swappable PCBs allow the user to easily swap out switches without the need for soldering, making it easier to customize the keyboard. Soldered PCBs, on the other hand, are more permanent and require more technical skills to customize.
• RGB lighting and effects: The PCB should have RGB lighting and effects that are compatible with the Tofu65 keyboard case, allowing for a more personalized and aesthetically pleasing keyboard.
• Build Quality: The quality of the PCB can impact the overall performance and durability of your keyboard. Look for a PCB made from high-quality materials and with good soldering points.
• Additional features like USB-C ports or Bluetooth connectivity: Additional features like USB-C ports or Bluetooth connectivity can add functionality and convenience to the Tofu65 keyboard. These features should be considered when choosing a PCB for the keyboard.
• Brand Reputation: Choose a PCB from a reputable brand known for producing high-quality PCBs. This will ensure that you are buying a reliable product that has been tested and proven to work well.

Best PCBs for Tofu65: Our Top Picks

Based on these factors, some of the best PCBs for Tofu65 are:

PCB Model	Layout	Interface	RGB Support	Stabilizers	Software/Firmware	Compatibility
DZ65RGB V3	65%	Type-C	Per-key RGB (top)	Cherry screw-in stabilizers	QMK Firmware, VIA Support	Tofu65 aluminum case
KBD67 REV2	65%	Type-C	Backlight LED	MX Mount	VIA Firmware	Compatible with various TOFU 65% cases (not KBD67 Lite)
KBD67 MARK II RGB V3 HOT-SWAP	65%	Type-C	Per-key RGB (top)	3-pin/5-pin Cherry MX-style	VIA Firmware	Compatible with KBD67MarK II, KBD67 lite, Blade65, D65, KBD67v3 aluminum cases
TADA68	68%	USB Micro	LED Support	MX Mount	Programmable	Official TADA68 PCB used in all TADA68s

DZ65RGB V3 HOT-SWAP RGB PCB

The DZ65RGB V3 Hot-Swap RGB PCB is an excellent choice for those looking to build a custom mechanical keyboard with the Tofu65 aluminum case. The Tofu65 case is a popular choice due to its sleek design and high-quality aluminum construction. While there may be some imperfections on the case surface, they are generally acceptable.

The DZ65RGB V3 PCB offers a hot-swappable design, which allows for easy switch swapping without needing to solder each switch individually. This feature is particularly useful for those who like to experiment with different switches or want to change the feel of their keyboard without the hassle of desoldering and resoldering switches.

The per-key RGB lighting on top of the PCB adds a nice touch of customization to the keyboard, allowing users to create unique lighting effects for each key. However, it’s worth noting that this PCB doesn’t have RGB underglow, which some users may prefer.

The Type-C interface is another great feature of this PCB, as it offers a more modern and convenient way of connecting the keyboard to a computer. Additionally, the Cherry screw-in stabilizers provide a stable and consistent typing experience.

The DZ65RGB V3 PCB is compatible with the VIA software, which allows for easy customization of key bindings and lighting effects. It also supports the QMK firmware, which is a popular open-source firmware that allows for even more customization options.

Overall, the DZ65RGB V3 Hot-Swap RGB PCB is a top-tier option for those building a custom mechanical keyboard with the Tofu65 aluminum case. While it’s made in China, the quality and features of this PCB make it a great choice for anyone looking to build a high-quality and customizable keyboard.

KBD67 REV2

The KBD67 REV2 65% PCB is a fantastic option for those looking to build a custom keyboard, particularly for use with the TOFU65% keyboard case. This PCB offers a variety of features that make it an excellent choice for any keyboard enthusiast.

One of the most significant advantages of the KBD67 REV2 65% PCB is its VIA support. VIA is a popular firmware that allows for easy customization of keyboard layouts, macros, and more. This means that users can easily customize their keyboards to their specific needs, making the KBD67 REV2 65% PCB an extremely versatile option.

The 65% layout is another great feature of the KBD67 REV2 65% PCB. This layout is compact enough to save desk space while still providing all the necessary keys for comfortable typing. This is especially useful for those who prefer a more minimalist approach to their setup.

Another excellent feature of this PCB is its Type-C USB port. This is a modern and convenient option that allows for easy connectivity to a wide range of devices. Additionally, the KBD67 REV2 65% PCB supports backlight LED, which adds an extra level of customization to the keyboard.

It is worth noting that this PCB is not compatible with the KBD67 Lite keyboard case, but it works perfectly with the TOFU65% keyboard case.

Overall, the KBD67 REV2 65% PCB is an outstanding choice for anyone looking to build a custom keyboard. Its VIA support, 65% layout, Type-C USB, and backlight LED make it a versatile and convenient option for any keyboard enthusiast.

KBD67 MARK II RGB V3 HOT-SWAP PCB

The KBD67 MARK II RGB V3 HOT-SWAP PCB is one of the best PCBs available for the Tofu65 mechanical keyboard. This PCB offers a range of features and specifications that make it an excellent choice for anyone looking to build their own custom mechanical keyboard.

One of the standout features of this PCB is its compatibility with a variety of different cases. The KBD67 MARK II RGB V3 HOT-SWAP PCB is compatible with KBD67MarK II, KBD67 lite, Blade65, D65, and KBD67v3 aluminum cases. This means that you have a lot of flexibility when it comes to choosing the case for your keyboard build.

Another great feature of this PCB is its support for both 3-pin and 5-pin Cherry MX-style switches. This means that you can use a wide variety of different switches with this PCB, giving you even more customization options for your keyboard.

The KBD67 MARK II RGB V3 HOT-SWAP PCB also offers per-key RGB lighting on the top of the PCB. While there is no RGB underglow, the per-key RGB lighting is more than enough to create a stunning visual effect for your keyboard.

This PCB also comes with support for the VIA firmware, which allows for easy customization and configuration of your keyboard. The VIA firmware is easy to use and offers a wide range of customization options, making it a great choice for both beginners and experienced keyboard enthusiasts.

Overall, the KBD67 MARK II RGB V3 HOT-SWAP PCB is an excellent choice for anyone looking to build a custom mechanical keyboard. With its compatibility with a range of different cases, support for both 3-pin and 5-pin switches, and per-key RGB lighting, this PCB offers a lot of flexibility and customization options. The support for the VIA firmware also makes it easy to configure and customize your keyboard to your liking.

TADA68 PCB

The TADA68 PCB is a highly regarded printed circuit board (PCB) that is often praised as one of the best PCBs for the Tofu65 keyboard. It is the official PCB used in all TADA68 keyboards, which is a testament to its quality and reliability.

One of the standout features of the TADA68 PCB is its LED support. This allows users to customize the lighting of their keyboard to their liking, which is a popular feature among enthusiasts. Additionally, the PCB is programmable, which means users can assign custom key mappings and macros to their keyboard.

The TADA68 PCB is a 68% size, which means it is slightly smaller than a standard tenkeyless keyboard. This makes it more compact and easier to transport, which is another reason why it is so popular among enthusiasts.

The PCB is designed to work with MX mount switches, which are some of the most popular switches on the market. This ensures compatibility with a wide range of switches, which gives users more options when it comes to customizing their keyboard.

Finally, the TADA68 PCB is the result of a co-operation between KBDFans and the TADA team. KBDFans is a well-known vendor in the mechanical keyboard community that is known for producing high-quality products, which adds to the PCB’s reputation for quality.

Overall, the TADA68 PCB is a fantastic option for anyone looking to build a Tofu65 keyboard or customize their existing TADA68 keyboard. Its LED support, programmability, and compatibility with MX mount switches make it a versatile and highly customizable option.

How to Install a PCB in Tofu65 Keyboard

Here are the steps:

1. Gather all necessary tools: You’ll need a Phillips head screwdriver, a pair of tweezers, and the Tofu65 case and PCB.
2. Open the Tofu65 case: Flip the case over and remove the screws on the bottom using the Phillips head screwdriver. Once the screws are removed, lift the top half of the case off to expose the PCB.
3. Prepare the PCB: If the PCB does not already have switches soldered onto it, you will need to solder them on first. Be sure to align the switches correctly with the corresponding holes on the PCB. You may also need to solder on any additional components such as LEDs or diodes if they are not pre-installed.
4. Insert the switches: Once the switches are soldered onto the PCB, use the tweezers to insert them into the corresponding slots on the case. Be sure to press down firmly to ensure they are securely in place.
5. Screw the case back together: Once all of the switches are in place, line up the top half of the case with the bottom half and screw them back together using the Phillips head screwdriver.
6. Test the keyboard: Connect the Tofu65 to your computer using a USB cable and test to make sure all the keys are working properly.

Congratulations, you have successfully installed a PCB in your Tofu65 keyboard!

Conclusion

In conclusion, when it comes to finding the best PCBs for the Tofu65 mechanical keyboard, there are a variety of options available in the market. However, after a thorough analysis, we can confidently recommend the DZ65RGB V3 HOT-SWAP RGB PCB, KBD67 REV2, KBD67 MARK II RGB V3 HOT-SWAP PCB, and TADA68 PCB.

Each of these PCBs is well-suited to the Tofu65’s layout and design, providing a high level of customization and functionality. Additionally, their hot-swappable nature allows for easy modification and customization, without the need for soldering. The RGB lighting options available with some of these PCBs add a fun and vibrant element to the overall user experience.

Overall, choosing the best PCB for your Tofu65 is a matter of personal preference and desired features. However, these four options are excellent choices to consider when looking for a reliable and high-performing PCB to complement your Tofu65 mechanical keyboard.

FAQs

What are PCBs and what are they used for in keyboards?

PCB stands for Printed Circuit Board, which is used to connect the electronic components of a keyboard. PCBs help to create a clean and organized circuit layout, which improves the performance and reliability of a keyboard.

What is the Tofu65 keyboard and why is it popular?

The Tofu65 is a custom mechanical keyboard that is popular among enthusiasts due to its high build quality, sleek design, and compatibility with a wide range of components.

What are the best PCBs for Tofu65 keyboards?

The DZ65RGB V3 HOT-SWAP RGB PCB, KBD67 REV2, KBD67 MARK II RGB V3 HOT-SWAP PCB, and TADA68 PCB are all great options for Tofu65 keyboards.

What is a hot-swap PCB and why is it beneficial?

A hot-swap PCB allows you to easily swap out keyboard switches without the need for soldering. This makes it easier to customize your keyboard and try out different switch types.

What are the differences between the DZ65RGB V3 HOT-SWAP RGB PCB, KBD67 REV2, KBD67 MARK II RGB V3 HOT-SWAP PCB, and TADA68 PCB?

The DZ65RGB V3 and KBD67 MARK II RGB V3 both offer hot-swappable switch sockets and support RGB lighting. The KBD67 REV2 also has a hot-swappable PCB but does not support RGB lighting. The TADA68 PCB is not hot-swappable but offers a compact layout and a built-in plate.

Are these PCBs compatible with other keyboards besides the Tofu65?

While these PCBs are specifically designed to fit the Tofu65 keyboard, they may be compatible with other keyboards with a similar layout and mounting points. However, it is important to do your research and ensure compatibility before purchasing.

Can I use these PCBs with any type of switches?

These PCBs are compatible with most Cherry MX-style switches, as well as some other types of mechanical switches. However, it is important to check the specifications of the PCB to ensure compatibility with your chosen switches.

Where can I purchase these PCBs?

These PCBs can be purchased from a variety of online retailers, including mechanical keyboard enthusiast websites and online marketplaces such as Amazon and eBay.