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Nicolai-Electronics
| Reference | Value | Description |
|---|---|---|
| Q2,Q3 | AP2302B | |
| Q4,Q5 | AO3400 (A09T) | |
| U1 | 74LVC1G17GW,125 | |
| U2 | MPR121QR2 | 12ch Touch Sensor controller, UQFN-20 |
| U3 | ESP32-WROVER-E | ESP32-WROVER-E and ESP32-WROVER-IE are two powerful, generic WiFi-BT-BLE MCU modules that target a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding. ESP32-WROVER-E comes with a PCB antenna, and ESP32-WROVER-IE with an IPEX antenna. They both featurea 4 MB external SPI flash and an additional 8 MB SPI Pseudo static RAM (PSRAM). |
| U4 | TPS63020DSJR | |
| U5 | XT4054K421MR-G | |
| U6,U9,U10 | SY6280AAC | |
| U7 | CH340K | USB serial converter, UART, SSOP-10 |
| U8,U11-U15 | SK6805 | SK6805-EC2020 |
| C1-C3,C8,C12,C23-C25,C29,C30 | 100n | |
| C4,C5,C7,C9,C26,C27 | 22u | |
| C6,C10,C11,C28 | 10u | |
| C13,C14,C16-C21 | 1u | |
| C15 | 4.7u | |
| C22 | 470n | |
| D23-D27 | NSR0320MW2T1G | |
| F1 | 1A | |
| J1 | QWIIC | |
| J2 | Micro_SD_Card | Micro SD Card Socket with one card detection pin |
| J6 | USB-C | |
| J9 | Battery | |
| J10 | E-Paper | |
| L1 | CMLW6028S1R5MST | |
| L2 | 47u | |
| R1 | 75k | |
| R2,R6,R7,R14,R17-R22,R26,R37-R40 | 10k | |
| R4,R23,R24,R30-R32,R35 | 100k | |
| R5,R8 | 45.3k | |
| R10,R13,R27,R28,R33 | 4.7k | |
| R11 | 1M | Resistor |
| R12 | 180k | Resistor |
| R15,R16 | 5.1k | |
| R25 | 2k | |
| R29 | 1k | |
| R34 | 2.2 | |
| SW6 | SW_SPDT |