MainBoard-PAMI-2025
About the MainBoard-PAMI-2025 PCB
MainBoard-PAMI-2025 is an open source ESP32 PCB design by LesKaribous, published on GitHub under the MIT license. It is a 2-layer board measuring 80 × 80 mm, with 61 components from 40 distinct parts.
Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the AMS1117-3.3, TMC2208_SILENTSTEPSTICK, R-78E5.0-1.0 and DRV5023. By type, the board carries 15 resistors, 13 capacitors, 11 connectors, 10 diodes, 6 ICs and 3 switches.
It belongs with the robotics & motion designs in this gallery.
From the project
https://leskaribous.github.io/
Les Karibous est une équipe française de robotique fondée en 2011. L’objectif de l’équipe est de montrer que la robotique peut être simple et fun à réaliser.
Depuis sa création, Les Karibous participent chaque année à la Coupe de France de Robotique (organisée par l’association Planète Sciences), ainsi qu’à la compétition MakerFight. Cette approche axée sur le plaisir et la simplicité se reflète dans leurs projets et leurs résultats en compétitions.
Main components on the MainBoard-PAMI-2025
MainBoard-PAMI-2025 bill of materials (BOM)
61 components, 40 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-S3-WROOM-1 | ESP32-S3-WROOM-1U | U1 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 2 | TMC2208_SILENTSTEPSTICK | Step-Stick Driver Bottom Entry Version | U3, U4 |
| 1 | R-78E5.0-1.0 | Converter_DCDC_RECOM_R-78E-0.5_THT | U5 |
| 1 | DRV5023 | SOT-23_Handsoldering | U6 |
| 1 | Sensor_Center | VL53 Bottom Entry Version | J1 |
| 1 | USB_B | USB_B_Lumberg_2411_02_Horizontal | J2 |
| 1 | Sensor_RIGHT | VL53 Bottom Entry Version | J3 |
| 2 | Servo | PinHeader_1x03_P2.54mm_Vertical | J4, J6 |
| 1 | Sensor_LEFT | VL53 Bottom Entry Version | J5 |
| 1 | LeftMotor | PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | RightMotor | PinHeader_1x04_P2.54mm_Vertical | J8 |
| 1 | Serial | PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | Con_Batt | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J11 |
| 1 | OLED | PinSocket_1x04_P2.54mm_Vertical | J13 |
| 1 | Buzzer | Buzzer_12x9.5RM7.6 | BZ2 |
| 1 | SW_SPDT | SK-12D10 1P2T | SW1 |
| 1 | SW_SPDT | UB16SKW03N-C | SW3 |
| 1 | SW_DIP_x02 | SW_DIP_SPSTx02_Slide_9.78x7.26mm_W7.62mm_P2.54mm | SW4 |
| 1 | SW_Boot | SW_SPST_CK_RS282G05A3 | SWBoot1 |
Show 20 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SW_EN | SW_SPST_CK_RS282G05A3 | SWEn1 |
| 1 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1 |
| 2 | D_Small | D_SMA_Handsoldering | D2, D9 |
| 1 | Blue | LED_1206_3216Metric | D3 |
| 2 | Red | LED_1206_3216Metric | D4, D8 |
| 2 | Green | LED_1206_3216Metric | D5, D10 |
| 2 | D_TVS_Bidirectional_Generic | D_SOD-523 | D6, D7 |
| 1 | 10uF | CP_Elec_5x5.4 | C1 |
| 1 | 22uF | CP_EIA-3528-12_Kemet-T_Pad1.50x2.35mm_HandSolder | C2 |
| 1 | 1uF/16V | C_1206_3216Metric | C3 |
| 3 | 0.1uF | C_1206_3216Metric | C4, C5, C10 |
| 2 | 100uF | CP_Radial_D8.0mm_P3.50mm | C6, C7 |
| 2 | 0.1uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C8, C13 |
| 1 | 10uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C9 |
| 1 | 22uF | CP_Elec_5x5.4 | C11 |
| 1 | 100uF | CP_Elec_5x5.4 | C12 |
| 5 | 1K | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2, R4, R9, R13 |
| 3 | 330R | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3, R6, R12 |
| 6 | 10K | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R5, R7, R8, R10, R11, R15 |
| 1 | 330 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R14 |
MainBoard-PAMI-2025 design files
The KiCad project lives in the LesKaribous/leskaribous.github.io repository on GitHub; these links point at the commit this page was built from.
MainBoard-PAMI-2025: common questions
What microcontroller does the MainBoard-PAMI-2025 use?
The MainBoard-PAMI-2025 is built around the ESP32-S3-WROOM-1, from the ESP32 family.
How big is the MainBoard-PAMI-2025 PCB?
The MainBoard-PAMI-2025 measures 80 × 80 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the MainBoard-PAMI-2025?
61 components, from 40 distinct parts. The full bill of materials is listed on this page.
Where can I download the MainBoard-PAMI-2025 design files?
From the LesKaribous/leskaribous.github.io repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the MainBoard-PAMI-2025 design in my own project?
Yes, under the terms of its MIT license, which LesKaribous chose for the repository.
Can I test firmware for the MainBoard-PAMI-2025 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
More boards in leskaribous.github.io
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