| H3 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | |
| H4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | |
| J1 | SWD | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal | |
| J2 | I2C | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | |
| J3 | USB_B_Micro | Connector_USB:USB_Micro-B_Molex_47346-0001 | |
| J4 | Barrel_Jack | JPConnectors:PowerSocketSMD | |
| J5 | Micro_SD_Card | Connector_Card:microSD_HC_Hirose_DM3AT-SF-PEJM5 | |
| L1 | 10u | Inductor_SMD:L_0805_2012Metric | |
| P1 | USB_C_Plug_USB2.0 | JPConnectors:USB_C_Receptacle_Adam_Tech | |
| Q1 | IRLML2502 | Package_TO_SOT_SMD:SOT-23 | |
| Q2 | IRF7404 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | |
| Q3 | SQJB80EP | Package_SO:PowerPAK_SO-8_Dual | |
| R1 | 4k7 | Resistor_SMD:R_0805_2012Metric | |
| R10 | 10k | Resistor_SMD:R_0603_1608Metric | |
| R11 | 3k3 | Resistor_SMD:R_0805_2012Metric | |
| R12 | 100k | Resistor_SMD:R_0603_1608Metric | |
| R13 | 10k | Resistor_SMD:R_0603_1608Metric | |
| R14 | 330 | Resistor_SMD:R_0805_2012Metric | |
| R15 | 100k | Resistor_SMD:R_0603_1608Metric | |
| R16 | 2k7 | Resistor_SMD:R_0805_2012Metric | |
| R17 | 110m | Resistor_SMD:R_2512_6332Metric | |
| R18 | 100k | Resistor_SMD:R_0603_1608Metric | |
| R19 | 10k | Resistor_SMD:R_0603_1608Metric | |
| R2 | 100k | Resistor_SMD:R_0603_1608Metric | |
| R20 | 3k3 | Resistor_SMD:R_0805_2012Metric | |
| R21 | 300k | Resistor_SMD:R_0805_2012Metric | |
| R3 | 4k7 | Resistor_SMD:R_0805_2012Metric | |
| R4 | 2k2 | Resistor_SMD:R_0805_2012Metric | |
| R5 | 100 | Resistor_SMD:R_0805_2012Metric | |
| R6 | 100k | Resistor_SMD:R_0603_1608Metric | |
| R7 | 10k | Resistor_SMD:R_0603_1608Metric | |
| R8 | 2k2 | Resistor_SMD:R_0805_2012Metric | |
| R9 | 100k | Resistor_SMD:R_0603_1608Metric | |
| SW1 | SW_Push | Button_Switch_SMD:SW_SPST_PTS645 | |
| SW2 | SW_Push | Button_Switch_SMD:SW_SPST_PTS645 | |
| SW3 | SW_Push | Button_Switch_SMD:SW_SPST_PTS645 | |
| SW4 | SW_Push | Button_Switch_SMD:SW_SPST_PTS645 | |
| U1 | STM32L431CCT6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | |
| U10 | BME280-Module | JPSensors:BME280-Module | |
| U11 | E-Ink_Waveshare_4.2 | JPDisplays:4.2inch_E-Ink | |
| U2 | MCP73843-4.2 | Package_SO:MSOP-8_3x3mm_P0.65mm | |
| U3 | AP9101CK | Package_TO_SOT_SMD:SOT-23-5 | |
| U4 | BME280 | Package_LGA:Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering | |
| U5 | SCD30 | JPSensors:SCD30 | |
| U6 | TPS782-DDC | Package_TO_SOT_SMD:SOT-23-5 | |
| U7 | TPS782-DDC | Package_TO_SOT_SMD:SOT-23-5 | |
| U8 | HIH8121 | Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Vertical | |
| U9 | ESP-12S | JPComms:ESP-12S | |
| Y1 | 16MHz | Crystal:Crystal_SMD_Abracon_ABM3B-4Pin_5.0x3.2mm | |
| Y2 | 32768/12.5pF | Crystal:Crystal_SMD_MicroCrystal_CC7V-T1A-2Pin_3.2x1.5mm | |