2 layers50 × 50 mm
2 layers50 × 50 mm
Tortoise Control
acwright/Wright-Train-Works1Project files for Wright Train Works
- Size
- 50 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 15
- Pads
- 43
- Tracks, vias
- 62, 13
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 14 Feb 2022
- Updated
- 16 Feb 2022
Overview
Tortoise Control is an open-source printed circuit board by acwright, from the acwright/Wright-Train-Works repository on GitHub, published under the MIT licence. It is a 2-layer board of 50 × 50 mm with 14 parts on 15 nets, routed with 62 tracks and 13 vias.
It is built around the L9110S, 74AHC1G04GW and L78L09ABU. Its parts include 5 connectors, 3 ICs, 2 capacitors and 2 resistors.
Main components
3
L9110S
SOP-8-20℃~+80℃ 100nA 2.5A 3V~9V SOP-8 Brushed DC Motor Drivers ROHSMixicBrushed DC Motor Drivers
74AHC1G04GW
SOT-353-40℃~+125℃ 1 1 1.5V~3.85V 1.9V~2V、2.9V~3V、4.4V~4.5V 100mV、100mV、550mV 1uA 2V~5.5V 500mV~1.65V 7.5ns@5V,50pF 74AHC 8mA 8mA SOT-353 Inverters ROHSNexperiaInverters
L78L09ABU
SOT-89-3-40℃~+125℃@(Tj) 1 1.7V@(40mA) 100mA 30V 37dB@(120Hz) 6mA 70uV 9V Fixed Over Temperature Protection、Short Circuit Protection Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdWright Train Works
Project files for Wright Train Works
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10K | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | Conn_01x03 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-3-3.5-H_1x03_P3.50mm_Horizontal | J3, J4 |
| 1 | 100nF | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | 330nF | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 74AHC1G04GW | Package_TO_SOT_SMD:SOT-353_SC-70-5 | U2 |
| 1 | Conn_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J1 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Horizontal | J2 |
| 1 | Conn_01x08 | EBM08DSXN:EBM08DSXN | J5 |
| 1 | G*** | kibuzzard-620B5EA0 | kibuzzard-620B5EA0 |
| 1 | L78L09 | Package_TO_SOT_SMD:SOT-89-3 | U1 |
| 1 | L9110S | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | IC1 |
The 13 most common of 14 parts.
Questions
How big is the Tortoise Control PCB?
It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Tortoise Control use?
14 parts, built around the L9110S, 74AHC1G04GW and L78L09ABU. 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 Tortoise Control KiCad files?
From the acwright/Wright-Train-Works repository on GitHub, at the commit this page was made from: the board is Hardware/Tortoise Control/Tortoise Control.kicad_pcb and its schematic Hardware/DCC Decoder Shield/DCC Decoder Shield.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Tortoise Control 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).
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