00:00If you're planning a custom wireless or split mechanical keyboard build, ditching the cords
00:04completely transforms your desk setup, but name-brand microcontrollers can eat up your
00:08budget fast. Luckily, you don't have to overspend to get high-performance wireless power.
00:15Today, I've tracked down the absolute best deals on the top 5 NRF52840 boards for wireless
00:20keyboard builds so you can flash ZMK, cut the cord, and save some serious cash.
00:26Kicking things off, we have this classic ProMicro NRF52840 that is fully pin-compatible with the
00:32nice, nano version 2.0 layout. Coming in at just $4.27 with close to 4,500 units sold,
00:40it's pretty much become the go-to community workhorse for DIY builds.
00:44The built-in battery charging management is its standout feature, letting you wire up a small
00:48lipo cell directly beneath the board, making it well worth the grab if you want a proven,
00:53fuss-free split keyboard setup. Next up is this versatile NRF52840 board priced at an easy $4.07,
01:01which also offers bulk discounts if you're building multiple halves or batches.
01:05What makes this one worth every penny is its stellar 4.9-star rating across thousands of happy
01:11builders, confirming the solder pads, pin spacing, and power efficiency hold up under real-world use.
01:17It's an absolute steal for powering custom boards like a corner sofa without worrying about battery drain
01:22or dropped keystrokes. Coming in at number 3 is the Tenster NRF52840, running around $6.60.
01:31While it sits at a slightly higher price point, Tenster is famous in the hobbyist space for
01:36superior PCB manufacturing tolerances and rigorously tested power chips. You're paying a couple of extra
01:42dollars for rock-solid component quality, clean trace layouts, and ultra-reliable Bluetooth connectivity,
01:48making it the perfect pick if you hate troubleshooting finicky hardware.
01:52If you're on a super strict budget, this next ProMicro NRF52840 is an unbelievable bargain at just $2.33.
02:01Despite the crazy low price, it boasts a flawless 5-star rating with over 3,700 sold,
02:07packing the full Nordic Wireless SOC with reliable charging management.
02:11It delivers full nice, nano-compatibility at a fraction of the cost, making it hands-down the
02:16cheapest and most reliable way on the planet to take any wired project completely wireless.
02:21Wrapping up our list is this ProMicro NRF52840 board sitting at $4.35, which also holds a perfect
02:295-star rating. Its best feature is the reinforced Type-C connector in smooth charging logic, ensuring
02:35the port won't snap under stress when you plug in to recharge. It transitions seamlessly between
02:41USB-C wired mode and Bluetooth 5.0, making it an awesome, drop-in wireless replacement for any
02:47standard ProMicro keyboard footprint. All the direct links to these boards are
02:51organized for you right down in the video description so you can lock in these exact prices.
02:56If this breakdown helped you pick the brains for your next wireless build, do me a favor,
03:01smash that like button, hit subscribe, and let me know in the comments what keyboard you're putting
03:06together.
