Introducing the SuperMini Controller - An Affordable NRF52840 Development Board for Ultimate Wireless Control!

Are you searching for a cost-effective board for your next BLE build? Look no further! Meet the SuperMini NRF52840, a game-changing Pro Micro alternative development board that's poised to revolutionize your keyboard and wireless control experience. 

[**Please checkout out helper PCB to manage your battery if your keyboard does not do it for you.**](https://www.boardsource.xyz/products/Battery-Helper)

**Full ProMicro Compatibility**: The SuperMini boasts the same pin configuration as ProMicro, ensuring seamless compatibility with most ProMicro keyboards. Say goodbye to compatibility issues and hello to easy integration.

**Power-Efficient Design**: The SuperMini is designed with power efficiency in mind. It features a 3.7V lithium battery interface and a software switch to cut off LED power, drastically reducing standby power consumption to as low as 1mA. Enjoy extended battery life without sacrificing performance.

**High-Performance Chip**: At its core, the SuperMini houses the nRF52840 chip, a high-performance, low-power SoC developed by Nordic Semiconductor. This powerhouse supports multiple wireless protocols, including Bluetooth 5, Thread, Zigbee, ANT, and 2.4GHz. With an ARM Cortex-M4F processor clocked at 64MHz, 1MB flash memory, and 256KB of RAM, you can count on this board for seamless and responsive wireless control.

**Abundant Peripherals**: The SuperMini doesn't skimp on features. It comes equipped with a wide range of peripherals, including ADC, PWM, SPI, I2C, UART, USB, and GPIO, providing you with flexibility and versatility for your projects. Plus, it incorporates top-notch security features like AES encryption, SHA-256 hashing, and True Random Number Generator (TRNG) for peace of mind.

Unleash the power of wireless control with the SuperMini NRF52840 development board. With an attractive price point and superb performance, it's the ideal choice for anyone looking to upgrade their ProMicro experience without breaking the bank.

Ready to elevate your projects and leave expensive alternatives behind? Explore the SuperMini NRF52840 today. Grab yours now and enjoy a world of possibilities at your fingertips!

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Affordable BLE

Supermini nRF52840

Supermini

**Unlock Your Keyboard Creations with Seeed Studio XIAO RP2040**

The Seeed Studio XIAO RP2040 isn't just a microcontroller; it's the key to crafting the ultimate custom DIY keyboard experience. Engineered to perfection with the power and versatility needed for your dream keyboard projects, the XIAO RP2040 is your gateway to limitless customization.


**Why XIAO RP2040 for DIY Keyboards?**

- **Powerful Dual-Core Performance:** Featuring a Dual-core ARM Cortex M0+ processor clocked at up to 133 MHz, the XIAO RP2040 ensures your keyboard remains responsive and reliable even during the most demanding typing sessions.

- **Ample Resources:** With 264KB of SRAM and 2MB of on-board Flash memory, you have all the space you need to store your custom keymaps and macros, unleashing your keyboard's full potential.

- **Flexibility in Compatibility:** Whether you prefer Micropython, Arduino, or CircuitPython, the XIAO RP2040 supports your chosen platform, making it easy to implement your keyboard's unique features.

- **Sleek and Compact:** Designed as small as a thumb (20x17.5mm), the XIAO RP2040 is perfect for wearable devices and compact keyboard designs, allowing you to create stylish, portable keyboards.

**Tailor Your Dream Keyboard**

The XIAO RP2040 offers a wide array of interfaces, including 11 digital pins, 4 analog pins, 11 PWM Pins, 1 I2C interface, 1 UART interface, 1 SPI interface, and 1 SWD Bonding pad interface. This level of flexibility empowers you to design your keyboard exactly as you envision it, down to the smallest detail.

**Easy Integration with Seeed Studio XIAO Expansion Board**

For added convenience, the XIAO RP2040 seamlessly integrates with the Seeed Studio XIAO expansion board, expanding your keyboard project possibilities even further.


**Getting Started and Beyond**

The XIAO RP2040 is more than just a microcontroller; it's a community. Join a thriving network of keyboard enthusiasts who share your passion for customization, and tap into a wealth of resources, tutorials, and discussions to accelerate your DIY keyboard journey.

**Grab Your XIAO RP2040 Today**

Ready to embark on your custom DIY keyboard adventure? Get your Seeed Studio XIAO RP2040 now and experience the power of limitless keyboard customization.

**Elevate your typing experience, unlock your creativity, and create the keyboard of your dreams with Seeed Studio XIAO RP2040. Start typing your custom story today!**


A tiny RP2040 Controller

Seeed Studio XIAO RP2040

Rp2040 Controller

Introducing the Ultimate Raspberry Pi Pico Controller for DIY Keyboards – Now with USB Type-C and Sleek Black FR4!

Elevate your custom DIY keyboard game with the Raspberry Pi Pico Controller, now engineered to perfection with USB Type-C connectivity and a sophisticated Black FR4. This ingenious microcontroller isn't just pin-compatible with the original – it's tailor-made for your keyboard projects, unlocking endless customization possibilities.

**Key Features:**

**1. USB Type-C Bliss:** Say farewell to the hassles of older connectors. With USB Type-C, you'll enjoy lightning-fast data transfer and hassle-free power delivery, ensuring your DIY keyboard stays responsive and reliable.

**2. Style Meets Durability:** Encased in a sleek Black FR4, this Pico Controller isn't just a powerhouse; it's a fashion statement. Elevate the aesthetics of your custom keyboard while ensuring it stands up to everyday wear and tear.

**3. Seamless Compatibility:** Worried about making the switch from the original Raspberry Pi Pico? Worry no more. Our Pico Controller maintains full pin compatibility, effortlessly integrating into your existing setups.

**4. Limitless Customization:** The Raspberry Pi Pico Controller with USB Type-C and Black FR4 puts the power of customization in your hands. Explore unique key layouts, lighting effects, and macros with its versatile GPIO pins and Python programming support.

**5. DIY Community Support:** Join a thriving community of DIY keyboard enthusiasts who share your passion. Access a treasure trove of tutorials, keymaps, and modding tips to take your creations to the next level.

Elevate your DIY keyboard projects with the Raspberry Pi Pico Controller, now boasting USB Type-C connectivity and a sleek Black FR4 enclosure. Unlock your creativity, redefine your typing experience, and craft the ultimate custom keyboard with this pin-compatible microcontroller. Dive into the world of custom keyboards today!

A big controller for a * Big * boi

Pico

Rp2040 Pico Controller

## V2 Changes  
- Reduced quiescent (system idle) power by ~70%
 - Increased through-hole pad sizes to make soldering easier
 - Reduced battery pin size to avoid incorrect installation
 - Charge boost added to optionally increase charge rate from ~100mA to ~500mA
 - Miscellaneous changes to reduce GPIO failures, improve thermals, and reduce component failures

[**Please checkout out helper PCB to manage your battery if your keyboard does not do it for you.**](https://www.boardsource.xyz/products/Battery-Helper)

**PLEASE READ ENTIRE DESCRIPTION**

The nice!nano is a wireless, BLE (Bluetooth) enabled replacement for the Pro Micro or Elite-C powered by the nRF52840 SoC. The nice!nano utilizes a LiPo battery allowing you to make your board completely wireless and has an on-board charging circuit, so simply plug in your keyboard to charge the battery, and use it wireless any other time you want.

**Note:** Includes square post headers for assembly. It is recommended to socket using Mill Max Low Profile Sockets.

**Note:** Due to the nature of this product, it cannot be included in assembly orders.

**Note:** Please remember, you will need to find space on your keyboard to put the battery. The stock header pins allow the battery to rest underneath the controller, but do remember that it is recommended these be socketed, so check your clearances depending on the socket you use (if you elect to use a socket).

**DISCLAIMER:**

For advanced users only! Know what you are getting into please -- this is NOT a drop-in replacement and is not 'plug and play.' You will likely have to do extensive setup and have programming knowledge in order to use this product and make your board Bluetooth. Boardsource does not guarantee a smooth implementation and we are not necessarily able to extensively help you get the nice!nano v1.0 working on your build. The nice!nano documentation [can be found here](https://docs.nicekeyboards.com/#/nice!nano/).

Compared to existing wired solutions like the Pro Micro or Elite-C, the nice!nano v2.0 is still in development, and along with that comes a certain amount of hands-on setup, troubleshooting, and general knowledge that is required in order to successfully install. As a result, this product is not recommended for beginners and other microcontrollers should be chosen instead.

Due to running on 3.3v compared to the 5v that the Pro Micro and Elite-C supply, it is not recommended to install RGB LEDs or OLEDs as these account for considerable power-draw.

nice!nano v2.0

The Elite-C is an Pro Micro drop-in Microcontroller developed to offer a better alternative to the Pro Micro while still being fully backwards-compatible. It sports the very same AVR ATmega32u4 8-bit microcontroller which has an integrated USB controller and pin-out while adding 6 more pins. Like the name states, the Elite-C features a more modern USB-C port which is also more durable and less prone to tear-out. Since almost all keyboards utilize the Pro Micro's footprint, this drop-in upgrade is a great way to take any board you build to the next level. 

The newest iteration, the Elite-C v4, features a 'low-pro' design and is the new standard for the Elite-C. Not only is the v4 shorter in height that the previous version, it is more durable. The center-mount USB C connector is considerably more sturdy and also decreases the total height of the Microcontroller. Another new addition is the inclusion of a VBUS pin that is broken out and placed directly above pin B0 on the PCB.

* b-stock atm
the fr4 on this batch is 2mm instead of 1.6mm no real change to usability.

Elite-C (v4)

**Introducing the Blok by Boardsource, an RP2040 (ARM) based controller built for the keyboard community.**

Blok’s elevate any keyboard compatible with Pro Micro Footprints and grants them instant access to a modern and feature-rich ecosystem. Users who don’t want to touch a text editor or config file don’t have to, Blok’s work out of the box with Peg. Users can map keys, set LED colors,  configure rotary encoders, create OLED images, and much more all from within an easy to use visual program (GUI). Many of Peg’s features and configuration options are unavailable through any other flashing program built for yesterday’s ATmega32U4 processors. Now,  deep configuration and rich features custom keyboards offer can be configured easily instead of becoming another project. On the other hand, users who enjoy in-the-editor programming, product development,  design, or any other roll your solution will similarly love the Blok. Shipping with KMK and CircuitPython out of the box, Blok’s offer enthusiasts and creators a modern development environment limited only by your imagination instead of programming knowledge and hardware constraints. Create your entire keymap in Python within a single main.py file and test your changes instantly, no recompiling necessary.  Remember, if this isn’t your thing — Peg can handle it for you. 

Built on top of a powerful RP2040 ARM microprocessor and designed with the future in mind, Blok’s handle whatever you throw at them.  Compared to older ATmega based controllers Blok’s have an incredible 100x the RAM, 8x the computing speed, 500x the ROM, are 32 bit instead of 8 bit, and are dual-core instead of single core. These are huge upgrades and allows for innovation and development within the custom keyboard space.  Blok’s offer additional features and functionality compared to other RP2040 based controllers as well,  such as OLED screen compatibility, innovative reset/boot switches accessible in any controller orientation, USB-C connectivity and a programmable RGB LED on-board. 



## Blok Feature Comparison


| Features                        | Boardsource Blok | Other RP2040 Controllers | ATmega34U4 Controllers |
|---------------------------------|------------------|--------------------------|------------------------|
| CPU Cores                       | 2                | 2                        | 1                      |
| CPU Speed                       | 133MHz           | 133MHz                   | 16MHz                  |
| RAM                             | 264KB            | 264KB                    | 32kb                   |
| ROM                             | 16MB             | 8MB                      | 1KB                    |
| Thickness                       | 3.2mm            | 4.91mm                   | 3.2mm                  |
| Accessible Reset / Boot  | Yes              | No                       | No                     |
| LED                             | Purple and RGB   | No/Red/Blue              | Blue                   |
| Peg Support                     | Yes              | Yes                      | No                     |
| KMK Support                     | Yes              | Yes                      | No                     |
| QMK Support                     | Yes              | Yes                      | Yes                     |
| ZMK Support                     | Yes*            | Yes*                     | No                      |\

* ZMK support is only unibody (not split) keyboards


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