4 layers79.9 × 84.7 mm
2 layers86 × 65 mm
ESP32 PCB- Master Tesis
- Size
- 86 × 65 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 51
- Nets
- 94
- Pads
- 235
- Tracks, vias
- 636, 91
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 23 Nov 2022
- Updated
- 23 Nov 2022
Overview
ESP32 is an open-source printed circuit board by Freyenn, from the Freyenn/ESP32-Master-Tesis repository on GitHub. It is a 2-layer board of 86 × 65 mm with 51 parts on 94 nets, routed with 636 tracks and 91 vias.
It is built around the 74LVC125APW,118-JSM, ESP32-WROOM-32 and AMS1117-3.3, with the DS1307Z+, L7805 and BC337 among its other parts. Its parts include 16 resistors, 12 connectors, 7 capacitors, 5 ICs and 4 diodes. It belongs with the ESP32 boards of this library.
Main components
6
74LVC125APW,118-JSM
SOP-14SOP-14 Buffers, Drivers, Receivers, Transceivers ROHSJSMSEMIBuffers, Drivers, Receivers, Transceivers
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi 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) Regulators
DS1307Z+
SO-80℃~+70℃ 10nA 300nA 4.5V~5.5V Backup power management and battery charging、InsideSRAM/NVRAM、Programmable clock output External I2C SO-8 Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time Clocks
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
BC337
TO-92-31 NPN 100 100MHz 100nA 45V 5V 625mW 700mV 800mA NPN TO-92-3 Bipolar (BJT) ROHSFoshan Blue Rocket ElecBipolar (BJT)
README
README.mdPCB Designed for Master's Tesis
Parts
51| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R5, R13, R14, R15 |
| 4 | 220 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R6, R7 |
| 4 | 3.3K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9, R10, R11, R12 |
| 3 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C6, C7 |
| 2 | 10uF | Capacitor_SMD:C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C1, C3 |
| 1 | 0.33uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5 |
| 1 | 100uF/6.3V | Capacitor_SMD:C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C4 |
| 1 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D4 |
| 1 | 3.3k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16 |
| 1 | 32.768kHz | Crystal:Crystal_AT310_D3.0mm_L10.0mm_Horizontal | Y1 |
| 1 | 3v | SamacSys_Parts:S8421-45R_1 | BT1 |
| 1 | 47k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17 |
| 1 | 4G_Conn | Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Vertical | J7 |
| 1 | 693071020811 | SamacSys_Parts:693071020811 | J8 |
| 1 | 74LVC125APW,118 | 74LVC125APW_118:SOP65P640X110-14N | U4 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | BC337 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | Boot | Button_Switch_SMD:SW_SPST_B3U-1000P | RST2 |
| 1 | Conf | Button_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx83-2LFS | CFG1 |
| 1 | Config | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D1 |
| 1 | DO | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J10 |
| 1 | DS1307Z+ | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32 | U1 |
| 1 | Ec | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J6 |
| 1 | FINDER-36.11 | Relay_THT:Relay_SPDT_Finder_36.11 | K1 |
| 1 | Hum&Temp | Connector_JST:JST_EH_S4B-EH_1x04_P2.50mm_Horizontal | J2 |
| 1 | Jack-DC | Connector_BarrelJack:BarrelJack_Horizontal | J1 |
| 1 | L7805 | Package_TO_SOT_THT:TO-251-3_Vertical | U3 |
| 1 | LED_Dual_AAKK | LED_SMD:LED_RGB_1210 | D3 |
| 1 | Ph | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J5 |
| 1 | Power | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D2 |
| 1 | Program | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J11 |
| 1 | RS | Connector_RJ:RJ12_Amphenol_54601 | J9 |
| 1 | Reset | Button_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx83-2LFS | RST1 |
| 1 | Screw_Terminal_01x02 | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J12 |
| 1 | TempSol | Connector_JST:JST_EH_S3B-EH_1x03_P2.50mm_Horizontal | J3 |
| 1 | Ultrasonico | Connector_JST:JST_EH_S4B-EH_1x04_P2.50mm_Horizontal | J4 |
Questions
How big is the ESP32 PCB?
It measures 86 × 65 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ESP32 use?
51 parts, built around the 74LVC125APW,118-JSM, ESP32-WROOM-32, AMS1117-3.3 and DS1307Z+. 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 Freyenn/ESP32-Master-Tesis 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 Freyenn before reusing the design.
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