2 layers51.8 × 34 mm
BikeLite
francesmatthew/BikeLite
This is the schematic and PCB for a buck converter and 555 timer to add flashing LEDs to my bike
23 parts
4 layers222.3 × 146 mm
Karca
rice-eclipse/karcaarca but this time with a k
- Size
- 222.3 × 146 mm
- Copper layers
- 4
- Thickness
- 1.32 mm
- Parts
- 243
- Nets
- 142
- Pads
- 771
- Tracks, vias
- 953, 533
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 14 Sep 2022
- Updated
- 2 Mar 2023
Overview
Karca is an open-source printed circuit board by rice-eclipse, from the rice-eclipse/karca repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 4-layer board of 222.3 × 146 mm with 243 parts on 142 nets, routed with 953 tracks and 533 vias.
It is built around the LM324DT, LM324 and MCP3208-CI/SL, with the CDBA340-HF, FQP30N06 and S101031MS02Q among its other parts. Its parts include 74 resistors, 58 diodes, 30 capacitors, 10 connectors and 9 ICs.
Main components
6
LM324DT
SOIC-14-15V~-1.5V、1.5V~15V 0℃~+70℃ 1.2mA 1.3MHz 20nA 300nA 30uV/℃ 3V~30V 4 400V/ms 40nV/√Hz@1kHz 5mV 70mA 80dB Built-in compensation SOIC-14 Operational Amplifier ROHSSTMicroelectronicsOperational AmplifierLM324
SOP-14-1.5V~10V 0℃~+70℃ 24V 250nA 3V~20V 4 40mA 50nA 700uA 7mV 80dB SOP-14 Operational Amplifier ROHSHXY MOSFETOperational Amplifier
MCP3208-CI/SL
SOIC-16-40℃~+85℃ 100kHz 12 1MHz~2MHz 2.7V~5.5V 2LSB 500nA 8 External SAR SPI、Serial port Yes SOIC-16 Analog to Digital Converters (ADC) ROHSMicrochip TechnologyAnalog To Digital Converters (ADC)
CDBA340-HF
SMA(DO-214AC)-50℃~+150℃ 1 Independent 3A 40V 500mV@3A 500uA@40V 70A SMA(DO-214AC) Schottky Diodes ROHSComchipSchottky Diodes
FQP30N06
TO-220-3-55℃~+175℃ 1 N-channel 25nC@10V 30A 350pF 40mΩ@10V 4V 52pF 60V 79W 945pF N-Channel TO-220-3 MOSFETs ROHSonsemiMOSFETsS101031MS02Q
插件-30℃~+65℃ 125V PC Pin Rectangular Columnar SPST Through Hole 插件 Slide Switches ROHSC&KSlide Switches
README
README.mdkARCA: An engine controller PCB for Rice Eclipse
kARCA is Rice Eclipse's next generation of engine controller boards. Its intended use is for data collection and valve actuation control on the Titan and Proxima rocket motors.
It was designed in 2022 by Rice Eclipse.
Usage
This board was designed in KiCAD.
Exports (such as gerber files) should be stored in the target directory (covered by gitignore).
It connects to a Raspberry Pi running our custom controller software,
slonk, which in turn interfaces with the user dashboard
slonkboard.
Further documentation
A full overview of the design of kARCA is available in docs/karca.md.
License
This design is licensed under the Creative Commons Attribution-ShareAlike 4.0 International license (CC BY-SA 4.0).
For more information, refer to LICENSE.md.
Parts
243| Qty | Value | Footprint | References |
|---|---|---|---|
| 48 | CDBA340-HF | Diode_SMD:D_SMA | D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24 +32 |
| 27 | TestPoint | TestPoint:TestPoint_Pad_D2.0mm | TP1, TP2, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18, TP19, TP20, TP21, TP22, TP23 +11 |
| 17 | 68k | Resistor_SMD:R_1206_3216Metric | R2, R37, R38, R40, R41, R42, R43, R44, R45, R66, R67, R68, R69, R76, R77, R78 +1 |
| 16 | 1n | Capacitor_SMD:C_1206_3216Metric | C8, C9, C11, C12, C14, C15, C16, C17, C25, C26, C27, C28, C29, C30, C31, C32 |
| 12 | 910 | Resistor_SMD:R_1206_3216Metric | R6, R9, R16, R17, R18, R19, R20, R21, R26, R27, R28, R29 |
| 11 | 10k | Resistor_SMD:R_1206_3216Metric | R4, R8, R11, R14, R15, R23, R25, R47, R49, R51, R53 |
| 7 | GRN | LED_SMD:LED_1206_3216Metric | HBT1, LED1, LED3, LED5, LED7, LED9, LED11 |
| 6 | 100n | Capacitor_SMD:C_1206_3216Metric | C13, C18, C19, C20, C21, C33 |
| 6 | 178.6165 | 178.6165:17861650002 | F1, F2, F3, F4, F5, F6 |
| 6 | DNP | Resistor_SMD:R_1206_3216Metric | R7, R10, R12, R13, R22, R24 |
| 6 | FQP30N06 | Package_TO_SOT_THT:TO-220-3_Vertical | Q1, Q2, Q3, Q4, Q5, Q6 |
| 6 | YLW | LED_SMD:LED_1206_3216Metric | LED2, LED4, LED6, LED8, LED10, LED12 |
| 4 | 10u | Capacitor_SMD:C_1206_3216Metric | C1, C2, C3, C4 |
| 4 | 15k | Resistor_SMD:R_1206_3216Metric | R46, R48, R50, R52 |
| 4 | 1u | Capacitor_SMD:C_1206_3216Metric | C5, C6, C7, C10 |
| 4 | 200 | Resistor_SMD:R_1206_3216Metric | R33, R34, R35, R39 |
| 4 | 20K | Resistor_SMD:R_1206_3216Metric | R30, R31, R32, R36 |
| 4 | 22 | Resistor_SMD:R_1206_3216Metric | R70, R72, R80, R82 |
| 4 | 30k | Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical | RV1, RV2, RV3, RV4 |
| 4 | 47k | Resistor_SMD:R_1206_3216Metric | R71, R73, R81, R83 |
| 4 | 5.1k | Resistor_SMD:R_1206_3216Metric | R74, R75, R84, R85 |
| 4 | MCP6N11 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3, U4, U5, U6 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | Conn_01x08_Female | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J5, J7, J8 |
| 3 | MCP3208-CI/SL | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | ADC1, ADC2, ADC3 |
| 3 | RED | LED_SMD:LED_1206_3216Metric | LED13, LED14, LED15 |
| 3 | Screw_Terminal_01x02 | 1190363:1190363 | CON_BAT1, CON_FAN1, CON_ROUTER1 |
| 3 | Screw_Terminal_01x08 | 1190370:1190370 | J3, J4, J6 |
| 2 | LM324DT | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U7, U11 |
| 2 | S101031MS02Q | S101031MS02Q:S101031MS02Q | SW1, SW2 |
| 1 | 150 | Resistor_SMD:R_1206_3216Metric | R89 |
| 1 | 1N5822RLG | Diode_THT:D_DO-201AD_P15.24mm_Horizontal | D1 |
| 1 | 1k | Resistor_SMD:R_1206_3216Metric | R1 |
| 1 | 2540-5 | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Horizontal | J33 |
| 1 | 300 | Resistor_SMD:R_1206_3216Metric | R5 |
| 1 | 820 | Resistor_SMD:R_1206_3216Metric | R3 |
| 1 | LM1084-5.0 | Package_TO_SOT_SMD:TO-263-3_TabPin2 | U2 |
| 1 | LM1084-ADJ | Package_TO_SOT_SMD:TO-263-3_TabPin2 | U1 |
| 1 | LM324 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U8 |
| 1 | Screw_Terminal_01x04 | 1190365:1190365 | J2 |
| 1 | Screw_Terminal_01x10 | 1190372:1190372 | J1 |
| 1 | Screw_Terminal_01x12 | 1190374:1190374 | J9 |
Questions
How big is the Karca PCB?
It measures 222.3 × 146 mm and has 4 copper layers, 1.32 mm thick.
What parts does the Karca use?
243 parts, built around the LM324DT, LM324, MCP3208-CI/SL and CDBA340-HF. 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 Karca KiCad files?
From the rice-eclipse/karca repository on GitHub, at the commit this page was made from: the board is karca.kicad_pcb and its schematic adc.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Karca design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 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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