2 layers122 × 92 mm
HondaPico
jgazeley/accord
Raspberry Pi Pico W firmware and keyless-entry hardware for a 2001 Honda Accord.
84 partsApache-2.0
2 layers175 × 91 mm
Pipsqueak pcb
CooperLi1/pipsqueak_pcb- Size
- 175 × 91 mm
- Copper layers
- 2
- Thickness
- 1.67 mm
- Parts
- 135
- Nets
- 131
- Pads
- 482
- Tracks, vias
- 766, 33
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 11 May 2026
- Updated
- 14 May 2026
Overview
Pipsqueak pcb is an open-source printed circuit board by CooperLi1, from the CooperLi1/pipsqueak_pcb repository on GitHub. It is a 2-layer board of 175 × 91 mm with 135 parts on 131 nets, routed with 766 tracks and 33 vias.
It is built around the TMC2209SILENTSTEPSTICK, ESP32-WROOM-32E-N8 and FT231XS-R, with the MP1584EN, PCA9685PW and MMBT3904 among its other parts. Its parts include 52 capacitors, 31 resistors, 29 connectors, 10 ICs and 6 diodes. It belongs with the ESP32 boards of this library.
Main components
10TMC2209SILENTSTEPSTICK
-Power Management - Modules ROHSTRINAMIC Motion Control GmbHModules
ESP32-WROOM-32E-N8
SMD,25.5x18mm-40℃~+85℃ -98dBm 112mA 2.4GHz 20dBm 239mA 3V~3.6V Bluetooth4.2 ESP32-DOWD-V3 On-board PCB Antenna UART、SDIO、SPI、I2C、GPIO、PWM、I2S SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
FT231XS-R
SSOP-20-150mil-40℃~+85℃ 125uA 5V 8.4mA USB 2.0 USB to UART SSOP-20-150mil USB Converters ROHSFTDIUSB ConvertersMP1584EN
SOIC-8-EP-20℃~+85℃ 1 100kHz~1.5MHz 4.5V~28V Adjustable Buck Buck Built-in SOIC-8-EP DC-DC Converters ROHSMonolithic Power SystemsDC-DC Converters
PCA9685PW
TSSOP-28-40℃~+85℃ 100kHz~1MHz 16 2.3V~5.5V 25mA 5.5V Built-in PWM TSSOP-28 LED Drivers ROHSNXP SemiconductorsLED Drivers
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
TL3365AF180QG
SMD-4P,4.2x3.2mm-20℃~+70℃ 1.8N 100,000 cycles 12V 2.5mm 3.2mm 4.2mm 50mA J-Lead Oval Button SPST Surface Mount,Vertical White Without Bracket SMD-4P,4.2x3.2mm Tactile Switches ROHSE-SwitchTactile Switches
1.5KE30A
DO-2011.5kW@10/1000us 1uA 25.6V 28.5V 36.23A 41.4V TVS Unidirectional DO-201 ESD and Surge Protection (TVS/ESD) ROHSDOWOESD And Surge Protection (TVS/ESD)
10118192-0002LF
SMD-30℃~+80℃ 1 1.8A 100V 5P Black Female Micro-B Surface Mount, Right Angle USB 2.0 SMD USB Connectors ROHSAmphenolUSB Connectors
CSD18535KCS
TO-220AB-3-55℃~+175℃ 1 N-channel 2.4V 200A 2mΩ@10V 300W 6.62nF 60V 81nC@10V TO-220AB-3 MOSFETs ROHSTexas InstrumentsMOSFETs
Parts
135| Qty | Value | Footprint | References |
|---|---|---|---|
| 28 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C2, C14, C15, C17, C18, C19, C21, C25, C26, C27, C28, C30, C31, C33, C34, C37 +12 |
| 10 | 10k | Resistor_SMD:R_0603_1608Metric | R2, R4, R10, R14, R15, R16, R17, R19, R30, R31 |
| 6 | 440054-2 | Cooper's Footprints:TE_440054-2 | J11, J12, J13, J15, J16, J17 |
| 5 | 100uF | Capacitor_SMD:CP_Elec_6.3x5.4 | C22, C23, C24, C32, C42 |
| 5 | 3PinHeader | Cooper's Footprints:HARWIN_M20-9990346 | J19, J20, J21, J24, J27 |
| 4 | 0 | Resistor_SMD:R_1210_3225Metric_Pad1.30x2.65mm_HandSolder | R7, R8, R20, R21 |
| 4 | 100uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C20, C29, C39, C49 |
| 4 | Conn_01x04_Pin | Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | J18, J22, J26, J28 |
| 4 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4, J6, J7, J8 |
| 4 | LED | LED_SMD:LED_0805_2012Metric | D3, D4, D5, D6 |
| 4 | TMC2209_SILENTSTEPSTICK | Cooper's Footprints:MODULE_TMC2209_SILENTSTEPSTICK | U4, U6, U7, U9 |
| 3 | 1k | Resistor_SMD:R_0603_1608Metric | R6, R11, R13 |
| 3 | 1nF | Capacitor_SMD:C_0603_1608Metric | C5, C7, C12 |
| 3 | 4.7k | Resistor_SMD:R_0603_1608Metric | R5, R23, R26 |
| 2 | 100 | Resistor_SMD:R_0805_2012Metric | R28, R29 |
| 2 | 1uF | Capacitor_SMD:C_0603_1608Metric | C16, C46 |
| 2 | 27 | Resistor_SMD:R_0603_1608Metric | R24, R25 |
| 2 | 47pF | Capacitor_SMD:C_0603_1608Metric | C36, C40 |
| 2 | Conn_01x02_Pin | Connector_Molex:Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J9, J10 |
| 2 | Conn_01x02_Pin | Connector_AMASS:AMASS_XT30UPB-M_1x02_P5.0mm_Vertical | J1, J2 |
| 2 | Conn_01x04_Pin | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J14, J29 |
| 2 | MMBT3904 | Cooper's Footprints:TRANS_MMBT3904 | Q2, Q3 |
| 2 | TL3365AF180QG | Cooper's Footprints:SW_TL3365AF180QG | S1, S2 |
| 1 | 0 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R27 |
| 1 | 0 | Resistor_SMD:R_1206_3216Metric | R18 |
| 1 | 1.5KE30A | Cooper's Footprints:DIOAD2920W106L900D505 | D2 |
| 1 | 100 | Resistor_SMD:R_1206_3216Metric | R1 |
| 1 | 1000uF | Capacitor_SMD:C_Elec_10x10.2 | C6 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 10118192-0002LF | Cooper's Footprints:AMPHENOL_10118192-0002LF | J25 |
| 1 | 10uF | Capacitor_SMD:C_1206_3216Metric | C10 |
| 1 | 1500uF | Capacitor_THT:CP_Radial_D18.0mm_P7.50mm | C3 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R22 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | 220uF | Capacitor_SMD:C_Elec_6.3x7.7 | C11 |
| 1 | 22uF | Capacitor_SMD:C_1206_3216Metric | C13 |
| 1 | 4.7uF | Capacitor_SMD:C_1206_3216Metric | C35 |
| 1 | 47uF | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 5 | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | 500mA | Fuse:Fuse_1812_4532Metric | F2 |
| 1 | 5A | Fuse:Fuse_2920_7451Metric | F1 |
| 1 | BZT52C12-13-F | Diode_SMD:D_SOD-123 | D1 |
| 1 | CSD18535KCS | Cooper's Footprints:TO254P470X1016X1611-3P | Q1 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | Conn_01x08_Pin | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J5 |
| 1 | ESP32-WROOM-32E-N8 | Cooper's Footprints:ESP32WROOM32E_EXP | U5 |
| 1 | FT231XS-R | Cooper's Footprints:SSOP-20_FTD | U10 |
| 1 | MCP1402T-E_OT | Cooper's Footprints:SOT95P270X145-5N | U2 |
| 1 | MP1584EN | Cooper's Footprints:MP1584EN | U3 |
| 1 | PCA9685PW | Package_SO:TSSOP-28_4.4x9.7mm_P0.65mm | U8 |
| 1 | SUP90P06-09L-E3 or MCP80P06Y-BP | SUP90P06_09L_E3:TO-220AB_VIS | U1 |
| 1 | ~ | Cooper's Footprints:4HoleHeader | J23 |
Questions
How big is the Pipsqueak pcb PCB?
It measures 175 × 91 mm and has 2 copper layers, 1.67 mm thick.
What parts does the Pipsqueak pcb use?
135 parts, built around the TMC2209SILENTSTEPSTICK, ESP32-WROOM-32E-N8, FT231XS-R and MP1584EN. 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 Pipsqueak pcb KiCad files?
From the CooperLi1/pipsqueak_pcb repository on GitHub, at the commit this page was made from: the board is pipsqueak_pcb.kicad_pcb and its schematic pipsqueak_pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pipsqueak pcb design in my own project?
Its repository states no licence, so its author keeps all rights: ask CooperLi1 before reusing the design.
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