On Thu, Jan 23, 2020 at 3:46 PM Dennis Dale-Green
<dennistravel@gmail.com> wrote:
>
> Does the 1.8v adapter board drop into the usb boards chip holder?
>

Depends on what adapter you're talking about. Those I've seen on
AliExpress and sometimes are being sold together with CH341A as a
bundle, seem to be compatible, but as I've never encountered any 1.8v
parts I didn't have a chance to try yet. Don't throw away a chip yet,
maybe it's still alive.