2 layers95 × 72 mm
Power supply
syamei0/kicad
仕様 ・圧電スピーカーは0ピン ・CANはTXDが5ピン、RXDが4ピン ・JP3とJP4はcanの終端抵抗 ・上バー付の数字はPWM可 ・白抜き文字は書き込み中プルアップ
73 parts
2 layers79.9 × 57 mm
PCB matrix3216
Lathe-Mariel/PCB_LEDMatrix3216- Size
- 79.9 × 57 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 18
- Pads
- 95
- Tracks, vias
- 125, 33
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 25 Mar 2026
- Updated
- 20 May 2026
Overview
PCB matrix3216 is an open-source printed circuit board by Lathe-Mariel, from the Lathe-Mariel/PCB_LEDMatrix3216 repository on GitHub. It is a 2-layer board of 79.9 × 57 mm with 21 parts on 18 nets, routed with 125 tracks and 33 vias.
It is built around the NJM2845DL1-33-TE1 and NJM7805SDL1-TE1. Its parts include 5 capacitors, 4 ICs and 4 connectors.
Main components
2
NJM2845DL1-33-TE1
TO-252-40℃~+85℃@(Ta) 1 14V 180mV@(500mA) 3.3V 400uA 45uVrms 75dB@(1kHz) 800mA Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSNisshinbo Micro Devices Inc.Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
NJM7805SDL1-TE1
TO-252-40℃~+125℃ 1 1.5A 2.2V@(1.5A) 35V 4.2mA 45uVrms 5V 78dB@(120Hz) Fixed Over Current Protection、Over Temperature Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSNisshinbo Micro Devices Inc.Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
KiCAD/readme.mdfiles
output/ gerber data sample/ sample software projects
BoM
IC1 | NJM7805SDL1-TE1 | 5V regulater IC2 | NJM2845DL1-33-TE1 | 3.3V Regulater U1 | ドット抜けマトリクス | Matrix LED J1 | 2DC-0415-B06 | 2.5mm標準DCジャック
Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 0.33u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C5 |
| 2 | Matrix3216 | Library:matrix_led | U1, U2 |
| 1 | 0.1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | 2.2u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6 |
| 1 | Barrel_Jack_Switch | Connector_BarrelJack:BarrelJack_CUI_PJ-036AH-SMT_Horizontal | J1 |
| 1 | C | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | Conn_02x03_Counter_Clockwise | Connector_PinSocket_2.54mm:PinSocket_2x03_P2.54mm_Horizontal | J4 |
| 1 | Conn_02x03_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Horizontal | J3 |
| 1 | Conn_02x06_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Horizontal | J2 |
| 1 | NJM2845DL1-33-TE1 | samacsys:TO-252-3-L1 | IC2 |
| 1 | NJM7805SDL1-TE1 | samacsys:NJM7805SDL1TE1 | IC1 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
The 14 most common of 21 parts.
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Questions
How big is the PCB matrix3216 PCB?
It measures 79.9 × 57 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PCB matrix3216 use?
21 parts, built around the NJM2845DL1-33-TE1 and NJM7805SDL1-TE1. 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 PCB matrix3216 KiCad files?
From the Lathe-Mariel/PCB_LEDMatrix3216 repository on GitHub, at the commit this page was made from: the board is KiCAD/PCB_matrix3216.kicad_pcb and its schematic KiCAD/PCB_matrix3216.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PCB matrix3216 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Lathe-Mariel before reusing the design.