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Jeremy Kidwell 2022-08-11 21:13:43 +01:00
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README.md
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@ -54,10 +54,20 @@ Wiring is relatively simple:
Connect the following pins between the TTGO T8 ESP32 board and your I2S DAC: Connect the following pins between the TTGO T8 ESP32 board and your I2S DAC:
| ESP pin | PCM 5102 I2S signal | | ESP pin | PCM5102 I2S signal |
| ------------- | ------------- | | ------------- | ------------- |
| GPIO25 | LRCK | | GPIO25 | LCK |
| GPIO25 | DATA IN (DIN) | | GPIO26 | DATA IN (DIN) |
| GPIO26 | BCK | | GPIO27 | BCK |
| GND | SCK, GND |
| 5V | VIN |
![Schematic for wiring](https://github.com/schreibfaul1/ESP32-audioI2S/raw/master/additional_info/ESP32_I2S_PCM5102A_ONLY.JPG) ![Schematic for wiring](https://github.com/schreibfaul1/ESP32-audioI2S/raw/master/additional_info/ESP32_I2S_PCM5102A_ONLY.JPG)
Next wire up your TDA8932. This is a bit simpler:
1. The power pins can go to a DC converter. I re-used one from an old laptop. Optimum is 24V at 2amp.
2. I wired input via two short wires to the PCM5102 board coming off a 3.5mm adapter
3. Then I soldered on two wires which connect to speaker terminals
Flash your ESP32 using the same process detailed above, and you're all set!