8Bitdo Retro Mechanical Keyboard, Bluetooth/2.4G/USB-C Hot Swappable Gaming Keyboard with 87 Keys, Dual Super Programmable Buttons for Windows and Android - N Edition 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

#3 in Mechanical Keyboards
8BitDo
8Bitdo Retro Mechanical Keyboard, Bluetooth/2.4G/USB-C Hot Swappable Gaming Keyboard with 87 Keys, Dual Super Programmable Buttons for Windows and Android - N Edition
$89.99
100/100Excellent
100% positive0% neutral0% negative
Pros
- +Exceptional value for the price
“These 8bitdo keyboards are exceptional value for the price.”

#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.”