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

#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 ”

#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.”