Follow along with the video below to see how to install our site as a web app on your home screen.
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The first version of the board was made from a flimsy metal bit that bent if you attached a atty with a long 510, the second version which was made available after 18 Feb 2019 has the new board in where they have resolved the issues from the first one... they changed the metal to a more durable copper for the 510 and placed a small silicone pad under the pin to add extra security and the chip is also coated to protect it against liquid damage.
So all in all... buy one if you want to, its safe.