Update README.md
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@@ -88,7 +88,7 @@ You can use an RS485-TTL adapter module to connect your ESP device with the DMX
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For this adapter, use the wiring below:
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```
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MAX485-M VCC -> ESP +3.3V
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MAX485-M VCC -> ESP +5V
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MAX485-M GND -> ESP GND
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MAX485-M RE & DE -> ESP +3.3V
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MAX485-M DI -> ESP32 GPIO5 or ESP8266 GPIO2 (as per examples above)
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