I'm selling my used working v2.2 AIO, by Helder. I'm asking for $35 which includes USA shipping only and PayPal fees. This board did have a bug where the volume from the speaker was low. Helder posted a solution to the bug in his support thread, you need to change a few resistors. Sound was a common bug on this version of the board but fixable.
Please PM me your PayPal address and I'll invoice you if you're interested. I'm selling this to USA customers only. Please let me know if you have any questions.
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