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### 📍 Pins Map
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| Name | GPIO NUM | Free |
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| ----------------------- | ------------------------- | ---- |
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| Uart1 TX | 43(External QWIIC Socket) | ✅️ |
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| Uart1 RX | 44(External QWIIC Socket) | ✅️ |
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| SDA | 8 | ❌ |
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| SCL | 9 | ❌ |
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| SPI MOSI | 11 | ❌ |
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| SPI MISO | 13 | ❌ |
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| SPI SCK | 12 | ❌ |
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| SD CS | 10 | ❌ |
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| SD MOSI | Share with SPI bus | ❌ |
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| SD MISO | Share with SPI bus | ❌ |
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| SD SCK | Share with SPI bus | ❌ |
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| GNSS(**L76K**) TX | 6 | ❌ |
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| GNSS(**L76K**) RX | 5 | ❌ |
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| GNSS(**L76K**) PPS | 7 | ❌ |
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| LoRa(**SX1278**) SCK | Share with SPI bus | ❌ |
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| LoRa(**SX1278**) MISO | Share with SPI bus | ❌ |
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| LoRa(**SX1278**) MOSI | Share with SPI bus | ❌ |
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| LoRa(**SX1278**) RESET | 18 | ❌ |
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| LoRa(**SX1278**) DIO0 | 14 | ❌ |
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| LoRa(**SX1278**) DIO1 | 21 | ❌ |
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| LoRa(**SX1278**) CS | 1 | ❌ |
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| LoRa(**SX1278**) LDO EN | 16 | ❌ |
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| LoRa(**SX1278**) Ctrl | 39 | ❌ |
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| Button1 (BOOT) | 0 | ❌ |
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| Button2 | 3 | ❌ |
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| PMU (**AXP2101**) IRQ | 4 | ❌ |
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| PMU (**AXP2101**) SDA | Share with I2C bus | ❌ |
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| PMU (**AXP2101**) SCL | Share with I2C bus | ❌ |
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| Name | GPIO NUM | Free |
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| ----------------------- | ------------------------------ | ---- |
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| Uart1 TX | 43(External QWIIC Socket) | ✅️ |
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| Uart1 RX | 44(External QWIIC Socket) | ✅️ |
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| SDA | 8 (External QWIIC Socket same) | ❌ |
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| SCL | 9 (External QWIIC Socket same) | ❌ |
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| SPI MOSI | 11 | ❌ |
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| SPI MISO | 13 | ❌ |
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| SPI SCK | 12 | ❌ |
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| SD CS | 10 | ❌ |
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| SD MOSI | Share with SPI bus | ❌ |
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| SD MISO | Share with SPI bus | ❌ |
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| SD SCK | Share with SPI bus | ❌ |
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| GNSS(**L76K**) TX | 6 | ❌ |
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| GNSS(**L76K**) RX | 5 | ❌ |
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| GNSS(**L76K**) PPS | 7 | ❌ |
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| LoRa(**SX1278**) SCK | Share with SPI bus | ❌ |
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| LoRa(**SX1278**) MISO | Share with SPI bus | ❌ |
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| LoRa(**SX1278**) MOSI | Share with SPI bus | ❌ |
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| LoRa(**SX1278**) RESET | 18 | ❌ |
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| LoRa(**SX1278**) DIO0 | 14 | ❌ |
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| LoRa(**SX1278**) DIO1 | 21 | ❌ |
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| LoRa(**SX1278**) CS | 1 | ❌ |
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| LoRa(**SX1278**) LDO EN | 16 | ❌ |
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| LoRa(**SX1278**) Ctrl | 39 | ❌ |
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| Button1 (BOOT) | 0 | ❌ |
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| Button2 | 3 | ❌ |
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| PMU (**AXP2101**) IRQ | 4 | ❌ |
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| PMU (**AXP2101**) SDA | Share with I2C bus | ❌ |
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| PMU (**AXP2101**) SCL | Share with I2C bus | ❌ |
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> \[!IMPORTANT]
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>
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@ -64,7 +64,7 @@
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| Devices | 7-Bit Address | Share Bus |
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| --------------------- | ------------- | --------- |
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| Touch Panel FT6336U | 0x3C | ✅️ |
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| OLED Display SH1106 | 0x3C | ✅️ |
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| Power Manager AXP2101 | 0x34 | ✅️ |
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### ⚡ Electrical parameters
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