Frank next proto
About the Frank next proto PCB
Frank next proto is an open source RP2040/RP2350 PCB design by rh1tech, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 80.6 × 54 mm, with 204 components from 82 distinct parts.
Its main chip is the RP2350B, from the RP2040/RP2350 family. Other key parts include the APS6404L-3SQR-ZR, W25Q128JVPIQ, TLV320DAC3100IRHBR, XC6206P182MR-G and ESP32-D0WD-V3. By type, the board carries 87 capacitors, 54 resistors, 22 ICs, 12 connectors, 7 inductors and 6 switches.
From the project
FRANK Board Laboratory (work-in-progress board prototopyes)
Official page: frank.rh1.tech — hub for all FRANK boards and firmware.
Experimental and work-in-progress boards for the FRANK hardware emulation platform.
WARNING: These boards are untested and unreleased. Do NOT order PCBs from this repository. They may contain errors, incomplete routing, or unverified component footprints. Use at your own risk.
For production-ready boards, see the main frank repository.
Main components on the Frank next proto
Frank next proto bill of materials (BOM)
204 components, 82 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | APS6404L-3SQR-ZR | PSON50P200X300X50-9N | U1 |
| 1 | W25Q128JVPIQ | WSON-8-1EP_6x5mm_P1.27mm_EP3.45x4.35mm | U2 |
| 1 | RP2350B | RP2350-QFN-80_10x10_P0.4mm | U3 |
| 1 | TLV320DAC3100IRHBR | TLV320DAC3100IRHBR | U4 |
| 1 | XC6206P182MR-G | XC6206P182MR-G | U5 |
| 1 | ESP32-D0WD-V3 | QFN-48-1EP_5x5mm_P0.35mm_EP3.75x3.75mm | U6 |
| 1 | W25Q32JVSIQ | SOIC-8_Longer | U7 |
| 4 | TPD4S012DRYR | TPD4S012DRYR | U9, U10, U11, U12 |
| 2 | CH217K | SOT-23-6 | U13, U14 |
| 1 | TPS2116DRL | SOT-583-8 | U15 |
| 1 | AO3401A | SOT-23-3L_AOS | U16 |
| 1 | TS3USB221RSER | UQFN-10 | U17 |
| 1 | SY8089AAAC | SOT-23-5 | U18 |
| 1 | CH334F | QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm | U19 |
| 1 | CH343P | WCH_QFN-16-1EP_3x3mm_P0.5mm_EP1.8x1.8mm | U20 |
| 1 | 74HC4052BQ,115 74HC4052BQ | 74HC4052BQ115 | U21 |
| 1 | DS3231MZ | SO-8_3.9x4.9mm_P1.27mm | U22 |
| 1 | DS2401P+ | TSOC-6 | U23 |
| 1 | UMH3N | SOT-363 | Q1 |
| 2 | BC850 | SOT-23 | Q2, Q3 |
Show 62 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 12 MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1, Y3 |
| 1 | 40 MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | Debug | JST_SH_1x03_P1.00mm_Vertical | J1 |
| 1 | UART | JST_SH_1x03_P1.00mm_Vertical | J2 |
| 1 | DC3RX19JA2 | HDMI_Female | J3 |
| 1 | 104031-0811 | MicroSD_SMD_Long | J4 |
| 1 | PJ-320D | AudioJack_3.5mm_PJ320D_AudioOut | J5 |
| 1 | Speaker | JST_GH_1x02_P1.25mm | J6 |
| 1 | NES Gamepad 1/2 | PinHeader_2x05_P2.54mm_Vertical | J7 |
| 2 | 676430910 | USB_A_Short | J8, J9 |
| 2 | USB4215-03-A | USB_C_Receptacle | J10, J11 |
| 1 | PJ-320D | AudioJack_3.5mm_PJ320D_TapeIn | J12 |
| 1 | 1174 CR1220 | Battery_CR1220 | BT1 |
| 1 | KMR221G LFS RP Boot | Button_SMD_3x4x2mm | S1 |
| 1 | KMR221G LFS RP Reset | Button_SMD_3x4x2mm | S2 |
| 1 | KMR221G LFS ESP Flash | Button_SMD_3x4x2mm | S3 |
| 1 | KMR221G LFS ESP Reset | Button_SMD_3x4x2mm | S4 |
| 1 | SK12D07VG3NS SS12D00 | Switch_Slide_SS12D00 | S5 |
| 1 | SK12D07VG3NS | Switch_Slide_SK12D07VG3NS_PWR | S6 |
| 1 | WS2812B-2020 | LED_WS2812B-2020_PLCC4_2.0x2.0mm | LD1 |
| 1 | Blue | LED_0603_1608Metric | LD2 |
| 1 | Green | LED_0603_1608Metric | LD3 |
| 1 | Orange | LED_0603_1608Metric | LD4 |
| 2 | 1N5819WS | D_SOD-323 | D1, D2 |
| 2 | 3V3 | D_SOD-323 | D3, D4 |
| 1 | 1N4148 | D_SOD-323 | D5 |
| 1 | 3.3µH | L_Murata_LQH2MCN_2.0x1.6mm | L1 |
| 1 | 2nH | L_0603_1608Metric | L2 |
| 1 | 2.7nH/0R | L_0603_1608Metric | L3 |
| 1 | 24nH/0R | L_0603_1608Metric | L4 |
| 2 | 330R 2A | L_0805_2012Metric | L5, L7 |
| 1 | 2.2uH | L_Cenker_CKCS3015 | L6 |
| 41 | 100nF | C_0603_1608Metric | C1, C2, C7, C10, C11, C12, C13, C14 +33 |
| 4 | 4.7uF | C_0603_1608Metric | C3, C4, C8, C9 |
| 2 | 15pF | C_0603_1608Metric | C5, C6 |
| 18 | 10uF | C_0603_1608Metric | C22, C28, C30, C31, C41, C55, C62, C63 +10 |
| 4 | 100uF | C_1206_3216Metric | C26, C27, C58, C59 |
| 7 | 1uF | C_0603_1608Metric | C34, C35, C36, C43, C46, C54, C72 |
| 1 | 100pF | C_0603_1608Metric | C38 |
| 1 | 1nF | C_0603_1608Metric | C47 |
| 1 | 1.5pF | C_0603_1608Metric | C48 |
| 1 | 10nF | C_0603_1608Metric | C49 |
| 1 | 2.4pF | C_0603_1608Metric | C50 |
| 1 | 3.3nF | C_0603_1608Metric | C51 |
| 4 | 12pF | C_0603_1608Metric | C52, C53, C75, C76 |
| 1 | 22pF | C_0603_1608Metric | C77 |
| 15 | 10K | R_0603_1608Metric | R1, R2, R10, R11, R12, R13, R14, R17 +7 |
| 1 | 33R | R_0603_1608Metric | R3 |
| 10 | 1K | R_0603_1608Metric | R4, R6, R26, R27, R37, R40, R44, R51 +2 |
| 2 | 0R | R_0603_1608Metric | R5, R18 |
| 2 | 27R | R_0603_1608Metric | R7, R8 |
| 3 | 330R | R_0603_1608Metric | R9, R20, R22 |
| 4 | 4.7K | R_0603_1608Metric | R15, R16, R41, R46 |
| 1 | 220R | R_0603_1608Metric | R21 |
| 1 | 20K | R_0603_1608Metric | R24 |
| 4 | 5.1K | R_0603_1608Metric | R28, R29, R30, R31 |
| 1 | 300K | R_0603_1608Metric | R32 |
| 5 | 100K | R_0603_1608Metric | R33, R35, R36, R38, R42 |
| 1 | 1M | R_0603_1608Metric | R34 |
| 1 | 22K | R_0603_1608Metric | R43 |
| 1 | 100R | R_0603_1608Metric | R47 |
| 2 | 270R | R_Array_4x0603 | RN1, RN2 |
Frank next proto design files
The KiCad project lives in the rh1tech/frank-lab repository on GitHub; these links point at the commit this page was built from.
Frank next proto: common questions
What microcontroller does the Frank next proto use?
The Frank next proto is built around the RP2350B, from the RP2040/RP2350 family.
How big is the Frank next proto PCB?
The Frank next proto measures 80.6 × 54 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Frank next proto?
204 components, from 82 distinct parts. The full bill of materials is listed on this page.
Where can I download the Frank next proto design files?
From the rh1tech/frank-lab repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Frank next proto design in my own project?
Yes, under the terms of its GPL-3.0 license, which rh1tech chose for the repository.
Can I test firmware for the Frank next proto without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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