2 layers25 × 14 mm
4 layers85 × 56 mm
CC3501-project hardware
enolf/CC3501-project-hardware- Size
- 85 × 56 mm
- Copper layers
- 4
- Thickness
- 1.59 mm
- Parts
- 118
- Nets
- 101
- Pads
- 433
- Tracks, vias
- 1,135, 121
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 8 Jun 2026
- Updated
- 8 Aug 2026
Overview
CC3501-project hardware is an open-source printed circuit board by enolf, from the enolf/CC3501-project-hardware repository on GitHub. It is a 4-layer board of 85 × 56 mm with 118 parts on 101 nets, routed with 1,135 tracks and 121 vias.
It is built around the RP2040, MFRC52202HN(TOKMAS) and HX711, with the SY8089A1AAC, W25Q128JVSIQ and AO3401A among its other parts. Its parts include 50 capacitors, 29 resistors, 11 connectors, 5 ICs and 4 inductors. It belongs with the RP2040 boards of this library.
Main components
9
RP2040
LQFN-56(7x7)12bit 133MHz 30 LQFN-56(7x7) Microcontrollers (MCU/MPU/SOC) ROHSRaspberry PiMicrocontrollers (MCU/MPU/SOC)MFRC52202HN(TOKMAS)
QFN-32(5x5)-40℃~+85℃ 13.56MHz 2.5V~3.6V 848Kbps RFID SPI、UART、I2C transceiver QFN-32(5x5) RF Transceiver ICs ROHSTokmasRF Transceiver ICs
HX711
SOP-16-40℃~+85℃ 1.4mA 10Hz、80Hz 1MHz~20MHz、11.0592MHz 2 2.6V~5.5V 20mV、40mV、80mV 24 Built-in External、Built-in SPI Support Yes SOP-16 Analog to Digital Converters (ADC) ROHSAvia SemiconAnalog To Digital Converters (ADC)
SY8089A1AAC
SOT-23-5-40℃~+125℃@(TA/TJ) 1 1.5MHz 2.5V~5.5V 2A 50uA Adjustable Buck Buck Built-in Yes SOT-23-5 DC-DC Converters ROHS矽力杰silergyDC-DC Converters
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
AO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
PRTR5V0U2X
SOT-143-55℃~+125℃ 0.3pF、0.8pF 100W 10V、15V 5V 6.5V 6A 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)SS8550
SOT-23-55℃~+150℃ 1 PNP 1.5A 100MHz 100nA 120 25V 300mW 500mV 5V PNP SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
X322512MSB4SI
SMD3225-4P-40℃~+85℃ 12MHz 20pF 80Ω Crystal Oscillator ±10ppm ±20ppm SMD3225-4P Crystals ROHSYXCCrystals
Parts
118| Qty | Value | Footprint | References |
|---|---|---|---|
| 21 | 100nF | Capacitor_SMD:C_0402_1005Metric | C3, C10, C11, C12, C13, C14, C15, C16, C17, C18, C20, C22, C35, C36, C37, C38 +5 |
| 9 | 10k | Resistor_SMD:R_0805_2012Metric | R5, R18, R19, R20, R21, R22, R23, R26, R27 |
| 4 | 100 | Resistor_SMD:R_0402_1005Metric | R11, R14, R15, R28 |
| 4 | 220pF | Capacitor_SMD:C_0402_1005Metric | C29, C30, C47, C49 |
| 4 | 33pF | Capacitor_SMD:C_0402_1005Metric | C4, C5, C25, C26 |
| 4 | 47pF | Capacitor_SMD:C_0402_1005Metric | C31, C32, C48, C50 |
| 3 | 100k | Resistor_SMD:R_0603_1608Metric | R8, R12, R29 |
| 3 | 10uF | Capacitor_SMD:C_0402_1005Metric | C6, C19, C21 |
| 3 | 1k | Resistor_SMD:R_0402_1005Metric | R6, R7, R24 |
| 3 | 27R | Resistor_SMD:R_0603_1608Metric | R3, R4, R13 |
| 3 | Net-Tie_2 | PiicoDev RFID MFRC522:NetTie-2_SMD_Pad0.80mm | NT4, NT10, NT11 |
| 3 | SW_Push | Button_Switch_THT:SW_SPST_Omron_B3F-40xx | SW1, SW2, SW3 |
| 3 | SolderJumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels | JP1, JP2, JP3 |
| 2 | 10p | Capacitor_SMD:C_0402_1005Metric | C45, C46 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C7, C8 |
| 2 | 1uH | Inductor_SMD:L_0805_2012Metric | L2, L3 |
| 2 | 22pF C0G ±5% | Capacitor_SMD:C_0402_1005Metric | C23, C24 |
| 2 | 30pF | Capacitor_SMD:C_0603_1608Metric | C43, C44 |
| 2 | 47p | Capacitor_SMD:C_0402_1005Metric | C27, C28 |
| 2 | 5K1 | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | AO3401A | Package_TO_SOT_SMD:SOT-23 | Q3, Q4 |
| 2 | Conn_01x03_Socket | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J2, J3 |
| 2 | Net-Tie_2_Top | PiicoDev RFID MFRC522:NetTie-2_SMD_Pad0.80mm | NT8, NT9 |
| 2 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged2Bar_RoundedPad1.0x1.5mm | JP4, JP5 |
| 1 | 100n X7R 10% | Capacitor_SMD:C_0603_1608Metric | C33 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | 1nF X7R ±10% | Capacitor_SMD:C_0603_1608Metric | C34 |
| 1 | 1uH | SamacSys_Parts:IND-SMD_L4.5-W4.0 | L1 |
| 1 | 20k | Resistor_SMD:R_0805_2012Metric | R16 |
| 1 | 22.1k | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 22pF | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | 4.7k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 8.2k | Resistor_SMD:R_0805_2012Metric | R17 |
| 1 | 820R | Resistor_SMD:R_0603_1608Metric | R25 |
| 1 | Conn_01x02_Socket | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J9 |
| 1 | Conn_01x03_Socket | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | Conn_01x04_Socket | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | Conn_01x06_Socket | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J8 |
| 1 | Conn_01x08_Socket | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J6 |
| 1 | Crystal_GND23 | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | HX711 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U7 |
| 1 | Header 1.27mm 2x5 PTH | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical | P2 |
| 1 | Header 3 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | P3 |
| 1 | L | Inductor_THT:L_Axial_L11.0mm_D4.5mm_P15.24mm_Horizontal_Fastron_MECC | L4 |
| 1 | MFRC52202HN(TOKMAS) | Package_DFN_QFN:VQFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm_ThermalVias | U3 |
| 1 | PRTR5V0U2X | Package_TO_SOT_SMD:SOT-143 | D1 |
| 1 | RP2040 | Package_DFN_QFN:QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U1 |
| 1 | SS8550 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | SY8089A1AAC | SamacSys_Parts:SOT95P285X130-5N | U4 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_G-Switch_GT-USB-7010ASV | J1 |
| 1 | W25Q128JVSIQTR | lcsc:SOIC-8_L5.3-W5.3-P1.27-LS8.0-BL | U8 |
| 1 | X322512MSB4SI | Crystal:Crystal_SMD_TXC_7M-4Pin_3.2x2.5mm | Y1 |
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Questions
How big is the CC3501-project hardware PCB?
It measures 85 × 56 mm and has 4 copper layers, 1.59 mm thick.
What parts does the CC3501-project hardware use?
118 parts, built around the RP2040, MFRC52202HN(TOKMAS), HX711 and SY8089A1AAC. 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 CC3501-project hardware KiCad files?
From the enolf/CC3501-project-hardware repository on GitHub, at the commit this page was made from: the board is CC3501-project-hardware.kicad_pcb and its schematic CC3501-project-hardware.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the CC3501-project hardware design in my own project?
Its repository states no licence, so its author keeps all rights: ask enolf before reusing the design.