Maker project
Mini Environmental Sensor
BOM013838 · V1.0
What the project is · as the catalogue files it; the circuit functions below are BOM rule hits
Filed under “温湿度” in the ezPLM catalogue.
Circuit functions included · BOM rule hits · not reviewed
- Buck regulator
- U5 TPS62203 · by part number
- Battery charger
- U2 MCP73831 · by part number
- RISC-V MCU
- U1 ESP32-C3-WROOM-02 · by part number
- Wireless SoC / wireless module
- U1 ESP32-C3-WROOM-02 · by part number
- Wi-Fi
- U1 ESP32-C3-WROOM-02 · by part number
- Bluetooth / Bluetooth Low Energy
- U1 ESP32-C3-WROOM-02 · by part number
- Temperature and humidity measurement
- U3 BME280 · by part number
- Barometric / pressure measurement
- U3 BME280 · by part number
- Gas / air quality measurement
- U4 SGP40-D-R4 · by part number
Helper circuits
- USB connector (Type-C / Micro / A)
- J2 USB_C_PowerOnly · by part number
Online view
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18 rows · 32 parts0 of 18 rows placedHover or click a row to mark its parts in the view; click a part in the view to find its row.
Looks up part numbers and makers at ezPLM, DigiKey and Mouser. What it finds are suggestions: check one before you use it.
| Designators | Value | Part | Qty | Placed | |
|---|---|---|---|---|---|
| C1 | 10uFC_0603_1608Metric | No part number | 1 | ||
| C2, C10, C12 | 1uFC_0603_1608Metric | No part number | 3 | ||
| C3, C4, C6, C8 | 0.1uFC_0402_1005Metric | No part number | 4 | ||
| C5, C7, C9, C11 | 4.7uFC_0603_1608Metric | No part number | 4 | ||
| R1, R2, R3, R4 | 10kR_0603_1608Metric | No part number | 4 | ||
| R5 | 2kR_0603_1608Metric | No part number | 1 | ||
| R6 | 470R_0402_1005Metric | No part number | 1 | ||
| R7, R8, R9, R10 | 4.7kR_0603_1608Metric | No part number | 4 | ||
| L1 | 10uHL_0603_1608Metric | No part number | 1 | ||
| D1 | LEDLED_0603_1608Metric | No part number | 1 | ||
| U1 | ESP32-C3-WROOM-02ESP32-C3-WROOM-02 | No part number | 1 | ||
| U2 | MCP73831SOT-23-5 | No part number | 1 | ||
| U3 | BME280Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering | No part number | 1 | ||
| U4 | SGP40-D-R4Sensirion_DFN-6-1EP_2.44x2.44mm_P0.8mm | No part number | 1 | ||
| U5 | TPS62203SOT-23-5 | No part number | 1 | ||
| SW1 | SW_PushSW_Push_SPST_NO_Alps_SKRK | No part number | 1 | ||
| J1 | BAT_ConnectorInterface labelMolex_PicoBlade_53261-0271_1x02-1MP_P1.25mm_Horizontal | No part number | 1 | ||
| J2 | USB_C_PowerOnlyUSB_C_Receptacle_GCT_USB4135-GF-A_6P_TopMnt_Horizontal | No part number | 1 |