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2 layers113.5 × 86.5 mmRamsis, the printed circuit board in 3D
Size
113.5 × 86.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
14
Nets
51
Pads
86
Tracks, vias
87, 1
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
20 Jun 2026
Updated
27 Jun 2026

Overview

Ramsis is an open-source printed circuit board by YoussefAymanJo, from the YoussefAymanJo/Ramsis repository on GitHub. It is a 2-layer board of 113.5 × 86.5 mm with 14 parts on 51 nets, routed with 87 tracks and 1 via.

It is built around the ESP32-S3-DEVKITC-1-N8R2. Its parts include 6 connectors, 3 ICs, 1 resistor, 1 diode and 1 switch. It belongs with the ESP32 boards of this library.

Main components

1

README

README.md

Ramsis

Description

Desk Robot, your daily companion, can answer any question you ask about weather, news, or even songs. it powered by ESP32 S3. and has lovely face interact with you

Why it was built

Actually,i feel boring and uncomfortable on my studying and working hours on my study or on pc.so,i made this robot to be ai companion for me. Interact with my emotiions and answer my questions.this robot mainly for entertainment and rapid helper companion in any quetion look like Jarvis.

How to use it / Build it

first, fabricate and print pcb,then print 3d models,and wire circuit and test it.then assemlbe all together and test again.

Schematic

I made a schematic for my keyboard, and sketch simpled diagram for schematic. Screenshot 2026-06-27 184216

PCB

I outlined shape first,the routed the pcb and added 3d models Screenshot 2026-06-27 184205 Screenshot 2026-06-21 235509 Wiring Diagram : Screenshot 2026-06-27 183643

CAD

I started sketching the enclosure based on the PCB, then made the top cover, added openings, and assembled. Screenshot 2026-06-27 184404 Screenshot 2026-06-21 235808 Screenshot 2026-06-21 235821

Firmware

i will us this for firmware https://github.com/78/xiaozhi-esp32 and https://github.com/EDISON-SCIENCE-CORNER/AI-CHAT-BOT/tree/main/3D%20FILES while editing the code while building.

BOM

I made the BOM and needed materials ,in egypt then convert its price to USD dollar. Screenshot 2026-06-21 235338

Zine

Zine

Parts

14
QtyValueFootprintReferences
3Conn_01x03_PinConnector_PinHeader_2.00mm:PinHeader_1x03_P2.00mm_VerticalJ1, J3, J4
2Conn_01x02_PinConnector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_HorizontalJ5, J6
1Conn_01x04_PinConnector_PinHeader_2.00mm:PinHeader_1x04_P2.00mm_VerticalJ2
1ESP32-S3-DEVKITC-1-N8R2Library:esp32 s55U1
1LEDLED_THT:LED_D3.0mmD1
1LOGOLOGOG***
1MountingHoleMountingHole:MountingHole_3.2mm_M3H1
1ResistorResistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR1
1SW_Nidec_CAS-120A1Button_Switch_THT:SW_Slide_SPDT_Angled_CK_OS102011MA1QSW1
1TP4056_MICRO-USB_CHARGER_-_1ALibrary:MODULE_TP4056_MICRO-USB_CHARGER_-_1AU2
1adafruit-MAX98357max555:adafruit-MAX98357U3

Questions

How big is the Ramsis PCB?

It measures 113.5 × 86.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Ramsis use?

14 parts, built around the ESP32-S3-DEVKITC-1-N8R2. 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 Ramsis KiCad files?

From the YoussefAymanJo/Ramsis repository on GitHub, at the commit this page was made from: the board is Ramsis/Ramsis.kicad_pcb and its schematic Ramsis/Ramsis.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Ramsis design in my own project?

Its repository states no licence, so its author keeps all rights: ask YoussefAymanJo before reusing the design.

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