4 layers96 × 94.2 mm
Dreamdrivecast v1aa
khill25/Dreamdrive
Open source Retro Rom Carts and ODEs by Dreamcraft Industries
82 parts26
4 layers105 × 60 mm
Picocart64 v2
khill25/Dreamdrive26Open source Retro Rom Carts and ODEs by Dreamcraft Industries
- Size
- 105 × 60 mm
- Copper layers
- 4
- Thickness
- 1.61 mm
- Parts
- 162
- Nets
- 145
- Pads
- 657
- Tracks, vias
- 3,056, 265
- Pours
- 23
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 22 Dec 2022
- Updated
- 8 Apr 2025
Overview
Picocart64 v2 is an open-source printed circuit board by khill25, from the khill25/Dreamdrive repository on GitHub. It is a 4-layer board of 105 × 60 mm with 162 parts on 145 nets, routed with 3,056 tracks and 265 vias.
It is built around the RP2040, 74LVC1G125GW and ESP32-C3-WROOM-02-H4, with the W25Q128JVSIQ, APS6404L-3SQR-SN and SN74LVC138AQDRQ1 among its other parts. Its parts include 62 resistors, 57 capacitors, 16 ICs, 4 diodes and 3 connectors. It belongs with the retro computing and games boards and the ESP32, RP2040 and RISC-V boards of this library.
Main components
10
RP2040
LQFN-56(7x7)12bit 133MHz 30 LQFN-56(7x7) Microcontrollers (MCU/MPU/SOC) ROHSRaspberry PiMicrocontrollers (MCU/MPU/SOC)
74LVC1G125GW
SOT-353-40℃~+125℃ 1 1 1.65V~5.5V 2.1ns@3.3V,50pF 32mA 32mA 4uA 74LVC Schmitt trigger Tri-State Unidirectional SOT-353 Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers
ESP32-C3-WROOM-02-H4
SMD,20x18mm-105dBm -40℃~+105℃ 2.4GHz 20.5dBm 345mA 3V~3.6V 82mA Bluetooth5.0 ESP32-C3 On-board PCB Antenna UART、SPI、I2C、I2S、USB SMD,20x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
W25Q128JVSIQ
SOIC-8-208mil-40℃~+85℃ 100,000 cycles 120ms@(32KB) 128Mbit 133MHz 1uA 2.7V~3.6V 20 Years 3ms Power-on reset、Hardware write protection、Software write protection、Write enable latch、Absolute write protection SPI SOIC-8-208mil NOR FLASH ROHSWinbondNOR FLASH
APS6404L-3SQR-SN
SOP-8SOP-8 PSRAM ROHSAP MemoryDRAM
SN74LVC138AQDRQ1
SOIC-16-40℃~+125℃ 10uA 24mA 24mA 2V~3.6V 3/8 6.7ns@3.3V,50pF 74LVC Decoder Level shifting Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHSTexas InstrumentsSignal Switches, Multiplexers, Decoders
FDN340P
SOT-23-55℃~+150℃ 1 P-Channel 1.5V 121pF 20V 2A 500mW 56pF 7.2nC@4.5V 70mΩ@4.5V 779pF P-Channel SOT-23 MOSFETs ROHSonsemiMOSFETs
DRTR5V0U2SR-7
SOT-143-65℃~+150℃@(Tj) 1nA 1pF 2 5.5V 5A@8/20us 6V ESD IEC 61000-4-2 SOT-143 ESD and Surge Protection (TVS/ESD) ROHSDiodes IncorporatedESD And Surge Protection (TVS/ESD)
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
WS2812B-2020
SMD,2.2x2mm0.6mA 0.84mm 120us 160mcd 200mcd 2kHz 2mm 2mm 300ns 470.4nm 515.6nm 520mcd 5V 622.5nm 800Kbit/s Built-in power-on reset circuit、Built-in power-on reset circuit、Integrated intelligent reverse connection protection function Top-mount SMD,2.2x2mm RGB LEDs(Built-in IC) ROHSWorldsemiRGB LEDs(Built-In IC)
README
N64/hw/picocart64_v1_lite/README.mdPicoCart64-lite v1.2
Errata
v1.3
- None so far
v1.2
- None so far
v1.1
- None so far
v1.0
- Bad power routing, thin trace goes to N64_VCC
Changelog
v1.3
- Added JP1, a solder bridge to make it possible to use the WeAct RP2040 third party Pico board
v1.2
- Improved routing a lot, removed many vias
- Added more ground stitching vias
- Functionally equivalent to v1.1 and v1.0
v1.1
- Improved power routing to N64_VCC
Parts
162| Qty | Value | Footprint | References |
|---|---|---|---|
| 36 | 100n | Capacitor_SMD:C_0402_1005Metric | C1, C2, C3, C15, C16, C17, C18, C19, C20, C22, C23, C26, C29, C30, C31, C32 +20 |
| 28 | 22R | Resistor_SMD:R_0402_1005Metric | R10, R11, R12, R13, R14, R15, R16, R20, R21, R22, R23, R24, R25, R26, R27, R28 +12 |
| 20 | R | Resistor_SMD:R_0402_1005Metric | R42, R43, R44, R45, R46, R47, R48, R49, R50, R51, R52, R53, R54, R55, R56, R57 +4 |
| 14 | 1u | Capacitor_SMD:C_0402_1005Metric | C21, C24, C25, C35, C38, C39, C40, C41, C42, C43, C44, C45, C46, C47 |
| 8 | APS6404L-3SQR | Package_SO:SOP-8_3.76x4.96mm_P1.27mm | U1, U2, U3, U4, U5, U6, U7, U8 |
| 5 | 10K | Resistor_SMD:R_0402_1005Metric | R1, R2, R33, R34, R62 |
| 4 | 10k | Resistor_SMD:R_0402_1005Metric | R19, R37, R38, R41 |
| 4 | 12p | Capacitor_SMD:C_0402_1005Metric | C11, C12, C27, C28 |
| 3 | 10u | Capacitor_SMD:C_0603_1608Metric | C10, C13, C14 |
| 2 | 12MHz 10ppm | Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm | Y1, Y2 |
| 2 | 5k1 | Resistor_SMD:R_0402_1005Metric | R17, R18 |
| 2 | FDN340P | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | RP2040 | Package_DFN_QFN_Extra:QFN-56_EP_7x7_Pitch0.4mm | U15, U16 |
| 2 | SolderJumper_2_Bridged | picocart64:SolderJumper-2_Small_Closed | JP2, JP3 |
| 1 | 100k | Resistor_SMD:R_0402_1005Metric | R3 |
| 1 | 1K | Resistor_SMD:R_0402_1005Metric | R39 |
| 1 | 470R | Resistor_SMD:R_0402_1005Metric | R40 |
| 1 | 74LVC1G125GW | Package_TO_SOT_SMD:SOT-353_SC-70-5 | U11 |
| 1 | AZ1117-3.3 | Package_TO_SOT_SMD:SOT-223 | U13 |
| 1 | BootButton | Button_Switch_SMD:SW_SPST_FSMSM | SW1 |
| 1 | Conn_02x06_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical_SMD | J2 |
| 1 | DRTR5V0U2SR-7 | Package_TO_SOT_SMD:SOT-143 | D3 |
| 1 | D_Small | Diode_SMD:D_SMA | D4 |
| 1 | ESP32-C3-WROOM-02 | Espressif:ESP32-C3-WROOM-02 | U17 |
| 1 | Ferrite | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | G*** | kibuzzard-63B14A32 | kibuzzard-63B14A32 |
| 1 | G*** | kibuzzard-63B14B13 | kibuzzard-63B14B13 |
| 1 | G*** | kibuzzard-62F8E97D | kibuzzard-62F8E97D |
| 1 | G*** | kibuzzard-62F95F09 | kibuzzard-62F95F09 |
| 1 | LOGO | LOGO | G*** |
| 1 | Micro_SD_Card_Det | Connector_Card:microSD_HC_Molex_104031-0811 | J3 |
| 1 | N64-Cartridge | picocart64:N64-Connector | U14 |
| 1 | ResetButton | Button_Switch_SMD:SW_SPST_FSMSM | SW2 |
| 1 | SN74LVC138AQDRQ1 | Package_SO:SOP-16_4.4x10.4mm_P1.27mm | U9 |
| 1 | SolderJumper_2_Open | picocart64:SolderJumper-2_Small_Open | JP1 |
| 1 | TP_MCU2_CS | TestPoint:TestPoint_Pad_D1.0mm | TP2 |
| 1 | TP_MCU2_DIO | TestPoint:TestPoint_Pad_D1.0mm | TP3 |
| 1 | TP_MCU2_SCK | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB_Extra:USB_C_Receptacle_GT-USB-7010 | J1 |
| 1 | W25Q128JVS | Package_SO:SOIC-8_5.23x5.23mm_P1.27mm | U10 |
| 1 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D2 |
| 1 | WS2812B-2020 | LED_SMD_Extra:WS2812B-2020 | D1 |
The 160 most common of 162 parts.
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Questions
How big is the Picocart64 v2 PCB?
It measures 105 × 60 mm and has 4 copper layers, 1.61 mm thick.
What parts does the Picocart64 v2 use?
162 parts, built around the RP2040, 74LVC1G125GW, ESP32-C3-WROOM-02-H4 and W25Q128JVSIQ. 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 Picocart64 v2 KiCad files?
From the khill25/Dreamdrive repository on GitHub, at the commit this page was made from: the board is N64/hw/picocart64_v2/picocart64_v2.kicad_pcb and its schematic Dreamcast/hw/Dreamdrivecast-esp32/Dreamdrivecast-esp32.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Picocart64 v2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask khill25 before reusing the design.