

My first designed pcb board to control some LEDs.
- Size
- 52.9 × 87.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 41
- Pads
- 82
- Tracks, vias
- 92, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 26 Jan 2024
- Updated
- 26 Jan 2024
Overview
Wled is an open-source printed circuit board by KamilJurczenko, from the KamilJurczenko/WLED_Controller repository on GitHub, published under the MIT licence. It is a 2-layer board of 52.9 × 87.4 mm with 15 parts on 41 nets, routed with 92 tracks and 0 vias.
It is built around the SN74AHCT125PW, S8050 and SRD-05VDC-SL-C. Its parts include 3 connectors, 3 fuses, 2 capacitors, 2 resistors and 2 ICs. It belongs with the ESP32 boards of this library.
Main components
3SN74AHCT125PW
TSSOP-14-40℃~+85℃ 1 20uA 4 4.5V~5.5V 74AHCT 8.5ns@5V,50pF 8mA 8mA Output enable Tri-State Unidirectional TSSOP-14 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, TransceiversS8050
SOT-23-55℃~+150℃ 1 NPN 100MHz 100nA 120 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)SRD-05VDC-SL-C
插件,19.2x15.6mm100mΩ 10ms 10ms 15A 250V@AC 360mW 5 5V 70Ω Non-Polarized - Single Coil One set changeover: 1C (SPDT - changeover) 插件,19.2x15.6mm Power Relays ROHS松乐Power Relays
README
README.mdWLED_Controller
My first designed pcb board to control some LEDs with a ESP-WROOM-32.

Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 3544-2 | Footprints & Symbols:FUSE_3544-2 | F1, F2, F3 |
| 1 | 0.1uF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C1 |
| 1 | 1000R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | 1000uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C2 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 1 | 220R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 1 | Barrel_Jack | Connector_BarrelJack:BarrelJack_Horizontal | J1 |
| 1 | ESP32-DEVKIT-V1 | Footprints & Symbols:MODULE_ESP32_DEVKIT_V1 | U3 |
| 1 | S8050 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | SN74AHCT125PW | Footprints & Symbols:DIP794W45P254L1930H508Q14 | U1 |
| 1 | SRD-05VDC-SL-C | Footprints & Symbols:RELAY_SRD-05VDC-SL-C | K1 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J2 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J3 |
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Questions
How big is the Wled PCB?
It measures 52.9 × 87.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Wled use?
15 parts, built around the SN74AHCT125PW, S8050 and SRD-05VDC-SL-C. 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 Wled KiCad files?
From the KamilJurczenko/WLED_Controller repository on GitHub, at the commit this page was made from: the board is wled.kicad_pcb and its schematic wled.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Wled design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).