2 layers58 × 42.5 mm
Panelization
Hasatio/esp32DevKitS
The circuit taken as an example while designing the board Thing Plus C - ESP32 WROOM
179 parts
2 layers28.9 × 42.5 mm
Esp32DevKitS
Hasatio/esp32DevKitSThe circuit taken as an example while designing the board Thing Plus C - ESP32 WROOM
- Size
- 28.9 × 42.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 91
- Nets
- 97
- Pads
- 408
- Tracks, vias
- 3,158, 199
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 10 Mar 2023
- Updated
- 22 Jul 2024
Overview
Esp32DevKitS is an open-source printed circuit board by Hasatio, from the Hasatio/esp32DevKitS repository on GitHub. It is a 2-layer board of 28.9 × 42.5 mm with 91 parts on 97 nets, routed with 3,158 tracks and 199 vias.
It is built around the CH340C, ADS1115IDGS and ADXL345-EP, with the MCP73831 and MBT3904DW1T1 among its other parts. Its parts include 31 resistors, 14 capacitors, 10 ICs, 7 connectors and 4 diodes. It belongs with the ESP32 boards of this library.
Main components
5
CH340C
SOP-16-20℃~+70℃ 2Mbps 3.3V、5V 50uA 7mA Transceiver USB 2.0 SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
ADS1115IDGS
MSOP10Ultra-Small, Low-Power, 4 Channels 16-Bit Analog-to-Digital Converter with Internal ReferenceTexas InstrumentsUncategorised
ADXL345-EP
LGA-14(3x5x0.8)LGA-14(3x5x0.8) New Arrivals ROHSAnalog DevicesUncategorised
MCP73831
UncategorisedMicrochip Technology
MBT3904DW1T1
SOT-363-6-55℃~+150℃ 100 150mW 200mA 300MHz 300mV 40V NPN SOT-363-6 Bipolar (BJT)onsemiBipolar (BJT)
README
README.mdESP32-DEVKIT-S
The circuit taken as an example while designing the board Thing Plus C - ESP32 WROOM
This pcb scaled down using the components in the example schematic
Revision 0
Added:
- 1x ADXL345 (Accelerometer)
- 2x 1x20 FPC connector for ESP pins
- In breakable PCB:
- 4x ADS1115 (Analog to Digital Converter)
- 1x20 FPC connector
- 1x QWIIC connector
Changed:
- ESP32-WROOM-32D model
- Battery socket breakable PCB
- Logo
Removed:
- RGB led
- SD card
Note: The connection cannot be made because the tx rx connection paths are not correct.
Revision 1
- Two circuits were produced for the left and right foot.
Added:
- New circuit in mirror image design
Changed:
- Circuit design, components in usb communication and components in the power section
- CH340C model
- TX, RX connection paths reversed
- Analog pull up resistor 100k
Note: The battery does not charge when the switch is in the off position.
Revision 2
Changed:
- The on/off switch will only be used for battery discharge
Parts
91| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 150k | SparkFun ESP32 Thing Plus C:0402-TIGHT | R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25 |
| 7 | 0.1uF | SparkFun ESP32 Thing Plus C:0402-TIGHT | C2, C8, C9, C10, C11, C12, C14 |
| 6 | 10k | SparkFun ESP32 Thing Plus C:0402-TIGHT | R1, R3, R4, R7, R8, R26 |
| 4 | >VALUE | Silicon-Standard:QFN-10-RSE | >NAME, >NAME, >NAME, >NAME |
| 4 | ADS1115IDGS | Package_SO:TSSOP-10_3x3mm_P0.5mm | U5, U6, U7, U8 |
| 4 | VAL** | Panelization:mouse-bite-1mm 2 | mouse-bite-emm-slot, mouse-bite-emm-slot, mouse-bite-emm-slot, mouse-bite-emm-slot |
| 3 | , , | ||
| 3 | 1.0uF | SparkFun ESP32 Thing Plus C:0402-TIGHT | C1, C3, C13 |
| 3 | 1k | SparkFun ESP32 Thing Plus C:0402-TIGHT | R9, R27, R31 |
| 3 | 4k7 | SparkFun ESP32 Thing Plus C:0402-TIGHT | R2, R5, R6 |
| 3 | Conn_01x20 | Connector_FFC-FPC:Molex_200528-0200_1x20-1MP_P1.00mm_Horizontal | J4, J5, J7 |
| 3 | LOGO | logo:Hasatio_logo_mini | G***, G***, G*** |
| 2 | 10uF | SparkFun ESP32 Thing Plus C:0402-TIGHT | C4, C5 |
| 2 | 4.7uF | SparkFun ESP32 Thing Plus C:0402-TIGHT | C6, C7 |
| 2 | 5.1k | SparkFun ESP32 Thing Plus C:0402-TIGHT | R29, R30 |
| 2 | JUMPER-SMT_2_NC_TRACE_SILK | SparkFun ESP32 Thing Plus C:SMT-JUMPER_2_NC_TRACE_SILK | JP1, JP2 |
| 2 | QWIIC_RIGHT_ANGLE | SparkFun ESP32 Thing Plus C:JST04_1MM_RA | J3, J6 |
| 1 | SparkFun ESP32 Thing Plus C:SOT23-5 | U2 | |
| 1 | 2.0k | SparkFun ESP32 Thing Plus C:0402-TIGHT | R28 |
| 1 | >VALUE | SparkFun ESP32 Thing Plus C:ESP-WROOM-32-NARROW | U3 |
| 1 | ADXL345 | Package_LGA:LGA-14_3x5mm_P0.8mm_LayoutBorder1x6y | U1 |
| 1 | BAT60A 3A/10V/280mV | SparkFun ESP32 Thing Plus C:SOD-323 | D1 |
| 1 | BLUE | SparkFun ESP32 Thing Plus C:LED-0603 | D4 |
| 1 | Boot | Switches:TACTILE_SWITCH_SMD_2.8X1.9MM | S1 |
| 1 | CH340C | PCM_Package_SO_AKL:SOIC-16_3.9x9.9mm_P1.27mm | U9 |
| 1 | DMG2305UX 20V/4.2A/52mΩ/1.4W | SparkFun ESP32 Thing Plus C:SOT23-3 | Q1 |
| 1 | FRAME-LEDGER | SparkFun ESP32 Thing Plus C:CREATIVE_COMMONS | FRAME1 |
| 1 | JST_2MM_MALE | SparkFun ESP32 Thing Plus C:JST-2-SMD | J1 |
| 1 | LOGO | logo:qr-esp32-devkit-s | G*** |
| 1 | MAX17048 | SparkFun ESP32 Thing Plus C:DFN-8 | U10 |
| 1 | MBT3904DW1T1 | SparkFun ESP32 Thing Plus C:SC70-6 | Q2 |
| 1 | MCP73831 | SparkFun ESP32 Thing Plus C:SOT23-5 | U4 |
| 1 | ON/OFF | Button_Switch_SMD:SW_SPDT_k3-1295 | SW1 |
| 1 | RED | SparkFun ESP32 Thing Plus C:LED-0603 | D2 |
| 1 | Reset | Switches:TACTILE_SWITCH_SMD_2.8X1.9MM | S2 |
| 1 | USB_C_2-LAYER_PADS | SparkFun ESP32 Thing Plus C:USB-C-16P-2LAYER-PADS | J2 |
| 1 | VAL** | Panelization:mouse-bite-1mm x2 | mouse-bite-1mm-slot |
| 1 | Yellow | SparkFun ESP32 Thing Plus C:LED-0603 | D3 |
The 90 most common of 91 parts.
Questions
How big is the Esp32DevKitS PCB?
It measures 28.9 × 42.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Esp32DevKitS use?
91 parts, built around the CH340C, ADS1115IDGS, ADXL345-EP and MCP73831. 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 Esp32DevKitS KiCad files?
From the Hasatio/esp32DevKitS repository on GitHub, at the commit this page was made from: the board is Rev2/R/R.kicad_pcb and its schematic Rev0/ESP32-DEVKIT-S-cp2102.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Esp32DevKitS design in my own project?
Its repository states no licence, so its author keeps all rights: ask Hasatio before reusing the design.
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