Note: the components marked in the 'Function' column are optional and only needed for the mentioned function. For example if you want the second USB port to power the PCB with 12V via a USB-C PD power supply you need to populate all components marked with USB-PD.
| Quantity | Designator | Description | Function (optional) | Footprint | Part # | Supplier | Alternative |
|---|---|---|---|---|---|---|---|
| 1 | BZ1 | Buzzer | Buzzer | ST-03BHT | DigiKey | ||
| 1 | C1 | 10μF | USB-PD | 0805 | |||
| 2 | C4, C6 | 10μF | 0805 | ||||
| 1 | C2 | 10μF/50V MLCC | 1210 | CL32B106KBJNNNE | DigiKey | ||
| 1 | C3 | 4.7μF/50V MLCC | 1210 | CL32B475KBUYNNE | DigiKey | ||
| 4 | C5, C7, C8, C9 | 100nF | 0603 | ||||
| 1 | D1 | Schottky diode 20V 500MA | SOD-123 | MBR0520 | DigiKey | ||
| 1 | D2 | LED yellow 2mA 2.1V | USB-PD | 0805 | KPT-2012YC | Element14 | |
| 1 | D3 | LED green 2mA 2.65V | 0805 | KPT-2012LVZGCK | Element14 | ||
| 1 | D4 | 200mA general purpose diode | Buzzer | SOD-123 | MMSD4148 | DigiKey | |
| 9 | D10, D11, D12, D13, D14, D15, D16, D17, D18 | WS2812B | 5050 | AliExpress | |||
| 1-10 | Fan1, Fan2, Fan3, Fan4, Fan5, Fan6, Fan7, Fan8, Fan9, Fan10 | 3/4 pin Molex_KK-254 | AliExpress | DigiKey | |||
| 1 | J1 | USB4105-GF-A-120 | DigiKey | ||||
| 1 | J2 | USB4105-GF-A-120 | USB-PD | DigiKey | |||
| 1 | J3 | Barrel Jack 5.5x2.1mm | 12V in DC-Barrel | DigiKey | |||
| 1 | J4 | Screw_Terminal_01x02 5.08 | DigiKey | ||||
| 1 | J5 | Screw_Terminal_01x03 5.08 | DigiKey | ||||
| 1 | J6 | JST_PH_B4B-PH-K | optional I2C | DigiKey | |||
| 1 | J7 | JST_B5B-ZR | optional SPS30 PM | DigiKey | |||
| 1 | J10 | PinHeader_1x06_P2.54mm | optional debug | ||||
| 1 | L1 | 10μH 2.4A 59.8mOhm | 6x6 | NRS6045T100MMGK | DigiKey | ||
| 1 | Q1 | MOSFET P-CH 20V 3A | SOT-23 | DMG2301L | DigiKey | ||
| 1 | Q2 | MOSFET P-CH 30V 3.1A | SOT-23 | SI2343DS-T1-GE3 | DigiKey | ||
| 1 | Q3 | MOSFET P-CH 30V 3.1A | USB-PD | SOT-23 | SI2343DS-T1-GE3 | DigiKey | |
| 1 | Q4 | MOSFET N-CH 20V 6.5A | SOT-23 | DMN2053U-7 | DigiKey | ||
| 1 | Q5 | BC847 | Buzzer | SOT-23 | |||
| 1 | R1 | 10k | USB-PD | 0603 | |||
| 2 | R11, R10 | 10k | 0603 | ||||
| 1 | R12 | 470R | Buzzer | 0603 | |||
| 2 | R2, R3 | 5k1 | 0603 | ||||
| 1 | R5 | 100k | 0603 | ||||
| 2 | R4, R6 | 1k | USB-PD | 0603 | |||
| 1 | R9 | 1k | 0603 | ||||
| 2 | R8, R7 | 4k7 | 0603 | ||||
| 2 | SW2, SW1 | Tactile Switch SPST-NO | KMR621NG LFS | DigiKey | |||
| 1 | U1 | ESP32-S3 | ESP32-S3-WROOM-1-N4 | DigiKey | |||
| 1 | U2 | IC REG LINEAR 3.3V 600MA | SOT-23-5 | AP7366-33W5-7 | DigiKey | ||
| 1 | U3 | SCD40-D-R1 | DigiKey | DigiKey | |||
| 1 | U4 | SCD30 | alternative to U3 | DigiKey | AliExpress | ||
| 1 | U5 | DC DC Converter 5V 2A | R-78B5.0-2.0 | DigiKey | |||
| 1 | U6 | CH224K | USB-PD | ESSOP-10 | AliExpress | ||
| 2 | U7,U8 | 74AHCT1G125 | SOT-23-5 | DigiKey |