2 layers238.8 × 137.2 mm
OOKeyboard
mayermakes/00Keyboard
an open source ortholinear BLE keyboard. from scratch, including Firmware, video on element14presents
171 parts12GPL-3.0
4 layers25.4 × 62.5 mm
NatSi DevKit
bismarx-v1/NatSi-DevKit1Repo for fun silly stuff
- Size
- 25.4 × 62.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 62
- Nets
- 57
- Pads
- 199
- Tracks, vias
- 733, 78
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 7 Oct 2024
- Updated
- 22 Sep 2026
Overview
NatSi DevKit is an open-source printed circuit board by bismarx-v1, from the bismarx-v1/NatSi-DevKit repository on GitHub. It is a 4-layer board of 25.4 × 62.5 mm with 62 parts on 57 nets, routed with 733 tracks and 78 vias.
It is built around the ESP32-S3-WROOM-1-N8 and USBLC6-2SC6. Its parts include 13 capacitors, 10 resistors, 4 diodes, 4 connectors and 3 ICs. It belongs with the ESP32 boards of this library.
Main components
2
ESP32-S3-WROOM-1-N8
SMD,25.5x18mm-40℃~+85℃ -98.2dBm 2.4GHz 20.5dBm 355mA 3V~3.6V 95mA Bluetooth5.0 ESP32-S3 Chip On-board PCB Antenna UART、SPI、I2C、I2S、USB SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)
README
README.mdDummy
Parts
62| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C5, C6, C7, C9, C10, C13 |
| 6 | TestPoint | sumec_graphic:NYA_IMG | TP14, TP16, TP16, TP16, TP16, TP16 |
| 4 | 10uF | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder | C4, C8, C11, C12 |
| 3 | 100R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R9, R10 |
| 3 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R6, R7 |
| 3 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2, D3, D4 |
| 3 | SW_Push | Button_Switch_SMD:SW_SPST_B3U-1000P | SW1, SW2, SW3 |
| 3 | TestPoint | sumec_graphic:COLON_3_SOLDER | TP12, TP14, TP14 |
| 2 | 15R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4 |
| 2 | Conn_01x22_Pin | Connector_PinHeader_2.54mm:PinHeader_1x22_P2.54mm_Vertical | J2, J3 |
| 2 | TestPoint | TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP1, TP2 |
| 2 | TestPoint | sumec_graphic:JOJO_SOLDER_IMG | TP7, TP9 |
| 2 | TestPoint | sumec_graphic:OWO_IMG | TP13, TP15 |
| 1 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
| 1 | D_Schottky | Diode_SMD:D_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D1 |
| 1 | ESP32-S3-WROOM-1 | PCM_Espressif:ESP32-S3-WROOM-1 | U2 |
| 1 | MEM2067-02-180-00-A_REVB | Schrack_brd:MICRO_SD_CARD | J4 |
| 1 | NCP1117-3.3_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | Polyfuse | Fuse:Fuse_0805_2012Metric | F1 |
| 1 | TestPoint | sumec_graphic:LIVE_NAT_REACTION_NEG | TP6 |
| 1 | TestPoint | sumec_graphic:NAT_PFP_IMG | TP3 |
| 1 | TestPoint | sumec_graphic:BLAHAJ_SOLDER_LN_IMG | TP5 |
| 1 | TestPoint | sumec_graphic:COLON_3_CAT_IMG | TP10 |
| 1 | TestPoint | sumec_graphic:FLO_SLEEP_IMG | TP8 |
| 1 | TestPoint | sumec_graphic:UWU_IMG | TP15 |
| 1 | TestPoint | sumec_graphic:BLAHAJ_IMG | TP4 |
| 1 | TestPoint | sumec_graphic:CURSOR_IMG | TP9 |
| 1 | TestPoint | sumec_graphic:COLON_3_IMG | TP11 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:TSOT-23-6_HandSoldering | U1 |
| 1 | USB_TypeC | sumec_brd:HRO_TYPE-C-31-M-12 | J1 |
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Questions
How big is the NatSi DevKit PCB?
It measures 25.4 × 62.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the NatSi DevKit use?
62 parts, built around the ESP32-S3-WROOM-1-N8 and USBLC6-2SC6. 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 NatSi DevKit KiCad files?
From the bismarx-v1/NatSi-DevKit repository on GitHub, at the commit this page was made from: the board is NatSi-DevKit/NatSi-DevKit.kicad_pcb and its schematic NatSi-DevKit/NatSi-DevKit.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the NatSi DevKit design in my own project?
Its repository states no licence, so its author keeps all rights: ask bismarx-v1 before reusing the design.