

ScubarLightController
- Size
- 88.9 × 73.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 65
- Nets
- 73
- Pads
- 231
- Tracks, vias
- 308, 3
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20210722)
- Created
- 12 Aug 2021
- Updated
- 14 Sep 2021
Overview
ScubarLightController is an open-source printed circuit board by xHain-hackspace, from the xHain-hackspace/ScubarLightController repository on GitHub. It is a 2-layer board of 88.9 × 73.2 mm with 65 parts on 73 nets, routed with 308 tracks and 3 vias.
It is built around the SN74AHCT125N, L293D and BC547. Its parts include 27 resistors, 18 connectors, 7 transistors, 4 ICs and 1 capacitor. It belongs with the ESP32 boards of this library.
Main components
3SN74AHCT125N
DIP-14-40℃~+85℃ 1 20uA 4 4.5V~5.5V 74AHCT 8mA 8mA Tri-State Unidirectional DIP-14 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, TransceiversL293D
DIP-16-40℃~+150℃ 1.2A 2 4.5V~36V 4mA 600mA DIP-16 Brushed DC Motor Drivers ROHSSTMicroelectronicsStepper Motor DriverBC547
TO-92Bipolar (BJT)Jiangsu Changjing Electronics Technology (CJ)
README
README.mdScubarLightController
PCB board design for xHain scubar LEDs.
Original design: https://github.com/blejdfist/xHain_ScubarLightController
Hardware Prototype

Parts
65| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R3, R4, R5, R6, R11, R12, R13, R14 |
| 7 | 1k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R7, R8, R15, R16, R19, R20, R22 |
| 6 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J9, J10, J14, J16, J17, J18 |
| 5 | 100 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R17, R18, R21, R23 |
| 5 | 470 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2, R24, R25, R26, R27 |
| 4 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q3, Q4, Q5, Q6 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 3 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2, Q7 |
| 2 | , | ||
| 2 | 33 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R9, R10 |
| 2 | L293D | Package_DIP:DIP-16_W7.62mm | U2, U3 |
| 1 | 1000u | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C3 |
| 1 | 31V_1 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J2 |
| 1 | 31V_2 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J3 |
| 1 | 5V_1 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J4 |
| 1 | 5V_2 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J5 |
| 1 | ESP32DOIT-DEVKIT-V1-30pin | Jim:ESP32DOIT-DEVKIT-V1-30pin | U4 |
| 1 | High Voltage | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J1 |
| 1 | LED | LED_THT:LED_D5.0mm | D1 |
| 1 | LEDGLE_1 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J6 |
| 1 | LEDGLE_2 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J7 |
| 1 | LEDGLE_3 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J15 |
| 1 | LOGO | scubar:xhain_logo_15mm_back | G*** |
| 1 | Power Input | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J8 |
| 1 | Power Output | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J12 |
| 1 | RGB_LED1 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J13 |
| 1 | RGB_LED2-4 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J11 |
| 1 | SN74AHCT125 | Package_DIP:DIP-14_W7.62mm | U5 |
Questions
How big is the ScubarLightController PCB?
It measures 88.9 × 73.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ScubarLightController use?
65 parts, built around the SN74AHCT125N, L293D and BC547. 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 ScubarLightController KiCad files?
From the xHain-hackspace/ScubarLightController repository on GitHub, at the commit this page was made from: the board is kicad/ScubarLightController.kicad_pcb and its schematic kicad/ScubarLightController.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ScubarLightController design in my own project?
Its repository states no licence, so its author keeps all rights: ask xHain-hackspace before reusing the design.
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