# eps rpi conn ## Description Eps Pi ## Project Details - **Owner:** ionescus - **Created:** 2/24/2026 - **Last Updated:** 2/27/2026 - **Visibility:** Public - **System Architecture:** flowchart TD J2["Raspberry Pi 1x10 GPIO header"] -->|"3V3"| PWR["3V3 rail"] J2 -->|"GND"| GND["Ground rail"] subgraph SPI_Path["SPI signal conditioning"] J2 -->|"SCLK"| RSCLK["33R series"] --> J1SCLK["J1-1 SCLK"] J2 -->|"MOSI"| RMOSI["33R series"] --> J1MOSI["J1-5 MOSI"] J1MISO["J1-2 MISO"] --> RMISO["33R series"] --> J2 J2 -->|"CS"| RCS["33R series"] --> J1CS["J1-6 CS"] end PWR -->|"decouple"| CDEC1["100nF close to J1"] PWR -->|"decouple"| CDEC2["10uF close to J1"] CDEC1 --> GND CDEC2 --> GND PWR --> RPU["10k pullup"] --> JRST["J1-16 RST"] JRST --> J2 J1DRDY["J1-13 DRDY"] --> J2 J1EXT["J1-14 EXT"] --> J2 J1PWR["J1-10/11/12 3V3"] --> PWR J1G["J1-3/4/8/15 GND"] --> GND J1["Epson module 2x10 receptacle"] --- J1SCLK J1 --- J1MISO J1 --- J1MOSI J1 --- J1CS J1 --- JRST J1 --- J1DRDY J1 --- J1EXT J1 --- J1PWR J1 --- J1G - **Copies:** 1 ## Key Components ### J1 — CLM-110-02-X-D m9Gg - Description: 20 Position Receptacle, Bottom Entry Connector 0.039 (1.00mm) Surface Mount Gold - Manufacturer Part Number: CLM-110-02-H-D - Role: Connector - LCSC Part Number: C3320770 - Price: None - Manufacturer Name: Samtec Inc. - SnapEDA_Link: https://www.snapeda.com/parts/CLM-110-02-H-D/Samtec+Inc./view-part/?ref=snap - Package: None - Manufacturer: Samtec Inc. - Availability: In Stock - Check_prices: https://www.snapeda.com/parts/CLM-110-02-H-D/Samtec+Inc./view-part/?ref=eda - Role Details: Epson module mating connector (2x10 1.00 mm SMT female receptacle) **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J2 — [Pin Header 01x10 2.54mm Horizontal](https://www.flux.ai/adrian95/pin-header-01x10-254mm-horizontal.md) - Part Type: Connector - Manufacturer Name: Harwin - Role: Connector - Role Details: Raspberry Pi side 1x10 header; pin1=3V3 .. pin10=NC - Manufacturer Part Number: M20-9991046 - Package: THT right-angle - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ionescus/eps-rpi-conn](https://www.flux.ai/ionescus/eps-rpi-conn).* --- *Generated from [https://www.flux.ai/ionescus/eps-rpi-conn](https://www.flux.ai/ionescus/eps-rpi-conn)*