2 layers155 × 80 mm
2 layers44.6 × 105.4 mm
GreenEggs and Clem
mayermakes/Ei_O_T8Breadboard Friendly ESP32-S2 Development Kit / Breakout
- Size
- 44.6 × 105.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 17
- Nets
- 42
- Pads
- 157
- Tracks, vias
- 1,297, 93
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 28 Feb 2021
- Updated
- 5 Jan 2022
Overview
GreenEggs and Clem is an open-source printed circuit board by mayermakes, from the mayermakes/Ei_O_T repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 44.6 × 105.4 mm with 17 parts on 42 nets, routed with 1,297 tracks and 93 vias.
It is built around the ESP32-S2-WROOM-N4. Its parts include 5 resistors, 4 connectors, 2 capacitors, 2 ICs and 1 diode. It belongs with the interfaces and adapters boards and the ESP32 boards of this library.
Main components
1README
README.mdEi_O_T
Breadboard Friendly ESP32-S2 Development Kit / Breakout
All EI.O.T Boards are manufactured in either Europe or USA. There are NO genuine Boards made in Asia, and there probably never will be. This is necessary to ensure quality and safety for the applications developed with our Development Kits and breakout boards. USB-OTG functionality is built in Hardware wise. The Board can be assembled in two ways allowing dominantly left and right handed Developers to optimally use it, also by flipping it upside down you can choose to have the USB cable stick out the top or bottom.
Safety and Handling Notice: This product is exclusivelly intended as an utility device for development under laboratory conditions. For use or operation specialist knowledge is required. Assembly by yourself as askilled technician is required. The provided Firmware is only example code to confirm a correctly executed flashing process.
The project is Licensed CC-BY-SA, the Provided Gerbers are marked with registered Trademarks owned by the original developer or IP owners. Violation of these rights is not covered by the Open source license or any other license. If you want to manufacture the Boards for your own private use, you can freely do so. If you intent to bring this design into circulation of any kind you can apply for a distribution license and will be provided an individual version.
The Circuitpython firmware is provided under CC_BY_SA license adhering to the original file it was based on. You need to follow this guide to be able to flash it: https://circuitpython.readthedocs.io/en/6.1.x/ports/esp32s2/README.html
For usage with the Arduino IDE please follow the latest tutorial to install the ESP32S2 based boards on Arduino IDE. To programm the board please choose "ESP32S2DevModule" from the boards list. Put the board into download mode by holding down the Flash button while pressing reset. EI.O.T does not automatically reset by design, you need to push the reset button yourself, this is to avoid serial transmittion errors while developing IOT applications.
This evaluation board/kit is intended for use for engineering development, evaluation or demonstration use only. It is not considered by MAYER MAKES e.U. to be a product for End-user /consumer use. Therefore it may not meet those requirements and is only suitable for use by technically skilled professionals.****
The Files and Documentation are provided as is without any warranty. MAYER MAKES is an internationally registered Trademark of MAYER MAKES e.U., unauthorized use is prohibited
Parts
17| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10k | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R3, R4 |
| 2 | 5k1 | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R2 |
| 2 | Conn_01x16 | Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_Vertical | J3, J4 |
| 1 | 0,1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C1 |
| 1 | 105450-0101 | Molex_USB-C:MOLEX_105450-0101 | J1 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C2 |
| 1 | 220 | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R5 |
| 1 | Conn_01x06_Female | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | ESP32-S2-WROOM | ESP32S2:XCVR_ESP32-S2-WROOM | U1 |
| 1 | LED 0603 | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1 |
| 1 | MCP1825S | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | flash | Button_Switch_THT:SW_PUSH_6mm | FLASH |
| 1 | reset | Button_Switch_THT:SW_PUSH_6mm | RESET |
The 16 most common of 17 parts.
Questions
How big is the GreenEggs and Clem PCB?
It measures 44.6 × 105.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the GreenEggs and Clem use?
17 parts, built around the ESP32-S2-WROOM-N4. 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 GreenEggs and Clem KiCad files?
From the mayermakes/Ei_O_T repository on GitHub, at the commit this page was made from: the board is GreenEggs_and_Clem.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the GreenEggs and Clem design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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