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HHKB - Happy Hacking Keyboard Professional Hybrid Type-S (Wireless, Bluetooth, Wired, USB, Silent, Charcoal, Printed) with 2 Year Advance Exchange Warranty vs NRF52840-DK EVAL Board for NRF52840 nRF52840 - Transceiver; 802.15.4 (Thread, Zigbee®), ANT, Bluetooth® 5.x (BLE) 2.4GHz Evaluation Board

Side-by-side comparison based on Reddit community data

HHKB - Happy Hacking Keyboard Professional Hybrid Type-S (Wireless, Bluetooth, Wired, USB, Silent, Charcoal, Printed) with 2 Year Advance Exchange Warranty
#1 in Mechanical Keyboards

HHKB

HHKB - Happy Hacking Keyboard Professional Hybrid Type-S (Wireless, Bluetooth, Wired, USB, Silent, Charcoal, Printed) with 2 Year Advance Exchange Warranty

$230.87

100/100Excellent
100% positive0% neutral0% negative

Pros

  • +High quality (implied)
  • +Good baseline for the hobby
  • +Uses aa batteries
  • +Easily swappable batteries
  • +No proprietary batteries
My HHKB has this done right. Using AA batteries so you can swap them easily and readily. No ned for proprietary batteries that will artificially reduce the keyboards lifespan or risk going spicy like
NRF52840-DK EVAL Board for NRF52840 nRF52840 - Transceiver; 802.15.4 (Thread, Zigbee®), ANT, Bluetooth® 5.x (BLE) 2.4GHz Evaluation Board
#9 in Mechanical Keyboards

Nordic Semiconductor

NRF52840-DK EVAL Board for NRF52840 nRF52840 - Transceiver; 802.15.4 (Thread, Zigbee®), ANT, Bluetooth® 5.x (BLE) 2.4GHz Evaluation Board

$97.60

100/100Excellent
100% positive0% neutral0% negative
use an NRF52840 Bluetooth with ZMK as the MCU.