0
ProMicro Pin Compatible: Designed with the exact footprint and pinout of the original ProMicro, making it a drop-in wireless upgrade for custom keyboards.
Multi-Protocol Wireless: Powered by the nRF52840 SoC, supporting Bluetooth 5.0, Zigbee, Thread, and 2.4GHz for versatile IoT and HID connectivity.
Ultra-Low Power Design: Optimized for battery life with a 20uA standby current and a dedicated software switch to cut LED power for maximum efficiency.
Advanced ARM Core: Features a high-performance ARM Cortex-M4 processor (64MHz) with 1MB Flash and 256KB RAM for complex firmware like ZMK.
Integrated Battery Management: Includes an on-board 3.7V Lithium battery interface and charging circuit, simplifying portable and wireless project builds.
The Elecbee ProMicro NRF52840 is the ultimate wireless upgrade for the custom mechanical keyboard community and IoT innovators. By maintaining ProMicro pin compatibility, this board allows you to transform almost any wired ProMicro-based keyboard into a high-performance Bluetooth or Zigbee wireless device. It solves the power-drain issue of standard controllers by offering an ultra-low 20uA standby current, perfect for long-lasting portable gear.
Technical hardware and SoC specifications:
Technical product information: The board features a built-in 3.7V Li-Po battery connector and charging management chip. A unique software-controlled power switch allows users to disable the onboard LED, reducing power consumption to approximately 1mA during active use and 20uA in standby. With 1MB Flash and 256KB RAM, it provides ample space for advanced wireless keyboard firmware and complex mesh networking applications.
Shipping | Delivery Period | Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. Express: 3-7 days. Standard Post: 7-20 days. | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | We offer express and standard delivery services. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||
