2 layers24.1 × 36.2 mm
Esp32miniBT
asterics/esp32_mouse_keyboard
ESP32 implementation for HID over GATT Keyboard and Mouse (Bluetooth Low Energy). Including serial API for external modules (similar to Adafruit EZKey HID)
28 parts911GPL-3.0
2 layers90 × 94.5 mm
Semata PCB
KuraKillu/SemataSemata Project
- Size
- 90 × 94.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 22
- Nets
- 35
- Pads
- 84
- Tracks, vias
- 216, 0
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 29 Jun 2025
- Updated
- 29 Jun 2025
Overview
Semata PCB is an open-source printed circuit board by KuraKillu, from the KuraKillu/Semata repository on GitHub. It is a 2-layer board of 90 × 94.5 mm with 22 parts on 35 nets, routed with 216 tracks and 0 vias.
It is built around the ESP32-WROOM-32. Its parts include 16 switches, 2 ICs, 2 connectors and 1 resistor. It belongs with the ESP32 boards of this library.
Main components
1README
README.mdSemata
Semata Project
Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | SW_Push | Button_Switch_THT:SW_PUSH_1P1T_6x3.5mm_H4.3_APEM_MJTP1243 | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW17 |
| 1 | AudioJack2_Ground | Connector_Audio:Jack_3.5mm_CUI_SJ1-3513N_Horizontal | J2 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-C3-DevKitM-1 | U2 |
| 1 | MAX98357A | Custom:MAX98357 | U3 |
| 1 | Micro_SD_Card_Det1 | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | R | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1 |
| 1 | Speaker | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | LS2 |
Questions
How big is the Semata PCB PCB?
It measures 90 × 94.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Semata PCB use?
22 parts, built around the ESP32-WROOM-32. 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 Semata PCB KiCad files?
From the KuraKillu/Semata repository on GitHub, at the commit this page was made from: the board is PCB Design/Semata PCB.kicad_pcb and its schematic PCB Design/Semata PCB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Semata PCB design in my own project?
Its repository states no licence, so its author keeps all rights: ask KuraKillu before reusing the design.
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