4 layers68.6 × 53.3 mm
2 layers48 × 37 mm
ESP32 Air Quality Meter
- Size
- 48 × 37 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 43
- Pads
- 145
- Tracks, vias
- 148, 123
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 6 Mar 2023
- Updated
- 24 Apr 2023
Overview
ESP32 is an open-source printed circuit board by jpcanepa, from the jpcanepa/esp32_pms7003 repository on GitHub. It is a 2-layer board of 48 × 37 mm with 29 parts on 43 nets, routed with 148 tracks and 123 vias.
It is built around the ESP32-C3-MINI-1, AMS1117-3.3 and AMS1117-5.0, with the SS14 and AO3401A among its other parts. Its parts include 9 capacitors, 5 resistors, 5 diodes, 4 connectors and 3 ICs. It belongs with the ESP32 and RISC-V boards of this library.
Main components
5ESP32-C3-MINI-1
--40℃~+81℃ -89dBm 2.4GHz 350mA 3V~3.6V 82mA ESP32-C3 Chip On-board PCB Antenna UART - WiFi Modules ROHSRF CrazyWiFi Modules
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsAMS1117-5.0
SOT-223-40℃~+125℃ 1 1.3V 15V 1A 5V 60dB Fixed Positive Short Circuit Protection、Thermal shutdown SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SS14
SMA(DO-214AC)-55℃~+150℃ 1A 25A 300uA@40V 40V 550mV@1A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
AO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R4, R5 |
| 4 | SS14 | Diode_SMD:D_SMA_Handsoldering | D1, D2, D3, D4 |
| 3 | 10u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C8, C9 |
| 2 | 10u | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder | C5, C7 |
| 2 | 10u | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C4, C6 |
| 1 | 0.1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2 |
| 1 | 220 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | AMS1117-5.0 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | AO3401A | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | BATT | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical_SMD_Pin1Right | J2 |
| 1 | BOOTSEL | Button_Switch_SMD:SW_Push_1P1T_NO_Vertical_Wuerth_434133025816 | SW2 |
| 1 | ESP32-C3-MINI-1 | Espressif:ESP32-C3-MINI-1 | U1 |
| 1 | GPIO10 | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D5 |
| 1 | PMS7003 Connector | Connector_PinSocket_1.27mm:PinSocket_2x05_P1.27mm_Vertical_SMD | J3 |
| 1 | RESET | Button_Switch_SMD:SW_Push_1P1T_NO_Vertical_Wuerth_434133025816 | SW1 |
| 1 | UART | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical_SMD_Pin1Right | J5 |
| 1 | USB_B_Micro | Connector_USB:USB_Mini-B_Wuerth_65100516121_Horizontal | J1 |
Questions
How big is the ESP32 PCB?
It measures 48 × 37 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ESP32 use?
29 parts, built around the ESP32-C3-MINI-1, AMS1117-3.3, AMS1117-5.0 and SS14. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ESP32 KiCad files?
From the jpcanepa/esp32_pms7003 repository on GitHub, at the commit this page was made from: the board is ESP32.kicad_pcb and its schematic ESP32.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ESP32 design in my own project?
Its repository states no licence, so its author keeps all rights: ask jpcanepa before reusing the design.
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