The old BS138 bi directional logic level shifter can't hack 800khz., 400khz is fine, the 10K's make it too slow.
time for a M74VHC1GT125DF2G
A project log for Cypress PSOC 4 + ESP8266 WS2812 RGB XMAS Lights
802.11 WIFI enabled RGB LED Strips, using the ESP8266 and $4 Psoc 4 dev board.
The old BS138 bi directional logic level shifter can't hack 800khz., 400khz is fine, the 10K's make it too slow.
time for a M74VHC1GT125DF2G
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