for 2-Layer PCBs & $5 for 4-Layer PCBs: https://jlcpcb.com/DYE Unlock the door using BLE Keychain, AirPods, Smart Watch etc.
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© 2020 Copyright - 2018-2021 by MakerSpace America, Inc. A 501(c)3 Nonprofit Organization.
© 2020 Copyright - 2018-2021 by MakerSpace America, Inc. A 501(c)3 Nonprofit Organization.