5 Feb
2016
5 Feb
'16
11:57 a.m.
these are cheap and easy to use https://www.adafruit.com/products/757
On 2016-02-05 11:44, robb wrote:
i've discovered 5v (arduino) to 3.3v (esp8266)
serial requires a logic level shifter. i have a max3243 [2] with no idea how to use it.
anyone know how to use a Multichannel RS-232 Line Driver/Receiver or
know a good circuit schematic that converts 5v-3.3v logic?
thx
~r
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[2] http://www.ti.com/lit/ds/symlink/max3243.pdf