19 lines
387 B
Markdown
19 lines
387 B
Markdown
# Schematic
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## Expected Circuit
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```text
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ESP32 GND -> LCD GND
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ESP32 3.3V or 5V -> LCD VCC, only after checking module requirements
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ESP32 SDA GPIO -> LCD SDA
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ESP32 SCL GPIO -> LCD SCL
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```
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## Important Check
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Before connecting SDA/SCL to ESP32, verify I2C pull-up voltage. ESP32 GPIO must not receive 5V.
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## Actual Circuit
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TODO: указать VCC, SDA GPIO, SCL GPIO и I2C address.
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