2 layers184 × 80.5 mm
Prometheus PCB
TheContrappostoShop/Apollo
Control Board for the Prometheus mSLA Printer.
129 parts13CERN-OHL-S-2.0
2 layers
Force sensor board
TheContrappostoShop/Hercules_SensorHercules is the open-source force sensor made for the Prometheus mSLA, based on the idea of Nico Martin.
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 91
- Nets
- 97
- Pads
- 358
- Tracks, vias
- 695, 82
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 20 Jan 2024
- Updated
- 9 Jun 2024
Overview
Force sensor board is an open-source printed circuit board by TheContrappostoShop, from the TheContrappostoShop/Hercules_Sensor repository on GitHub. It is a 2-layer board with 91 parts on 97 nets, routed with 695 tracks and 82 vias.
It is built around the RP2040, HX711 and W25Q32JVSSIQ, with the AP2112K-3.3, WS2812B and B5819 among its other parts. Its parts include 32 capacitors, 25 diodes, 17 resistors, 6 connectors and 4 ICs. It belongs with the sensors and measurement boards and the RP2040 boards of this library.
Main components
6
RP2040
LQFN-56(7x7)12bit 133MHz 30 LQFN-56(7x7) Microcontrollers (MCU/MPU/SOC) ROHSRaspberry PiMicrocontrollers (MCU/MPU/SOC)
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)
W25Q32JVSSIQ
SOIC-8-208mil-40℃~+85℃ 100,000 cycles 133MHz 1uA 2.7V~3.6V 20 Years 32Mbit 3ms SPI SOIC-8-208mil NOR FLASH ROHSWinbondNOR FLASH
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
B5819
SOD-523SOD-523 Schottky Diodes ROHSDongChenSchottky Diodes
README
PCB/V09/README.mdThe version 0.9 of the Hercules sensor is the prerelease (beta) of it.
Parts
91| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C10, C11, C12, C13, C14, C15, C16, C17, C18, C20, C22, C23, C24, C25, C26 +8 |
| 24 | WS2812B | LED_SMD:LED_WS2812B-2020_PLCC4_2.0x2.0mm | D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24 +8 |
| 4 | 100 | Resistor_SMD:R_0603_1608Metric | R13, R14, R15, R16 |
| 4 | 1uF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4, C5 |
| 3 | 10K | Resistor_SMD:R_0603_1608Metric | R1, R2, R8 |
| 2 | 1K | Resistor_SMD:R_0603_1608Metric | R3, R9 |
| 2 | 27 | Resistor_SMD:R_0603_1608Metric | R4, R5 |
| 2 | 27pF | Capacitor_SMD:C_0603_1608Metric | C6, C7 |
| 2 | 5.11k | Resistor_SMD:R_0603_1608Metric | R6, R7 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R11 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C21 |
| 1 | 10uf | Capacitor_SMD:C_0603_1608Metric | C19 |
| 1 | 12MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric | R17 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 8.2k | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | ACC | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical | J6 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | B5819 | Diode_SMD:D_SOD-123 | D1 |
| 1 | BOOTSEL | Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK | SW1 |
| 1 | Conn_01x03_Male | Connector_PinHeader_1.27mm:PinHeader_1x03_P1.27mm_Vertical | J1 |
| 1 | HX711 | Package_SO:SOP-16_3.9x9.9mm_P1.27mm | U4 |
| 1 | L | Inductor_SMD:L_0603_1608Metric | L1 |
| 1 | LoadCell 1 | Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | J3 |
| 1 | LoadCell 2 | Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | J4 |
| 1 | OLED | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | PNP | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | RP2040 | Package_DFN_QFN:QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U2 |
| 1 | SET/RESET | Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK | SW2 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_GCT_USB4115-03-C | J2 |
| 1 | W25Q32JVSS | Package_SO:SOIC-8_5.23x5.23mm_P1.27mm | U3 |
The 90 most common of 91 parts.
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Questions
What parts does the Force sensor board use?
91 parts, built around the RP2040, HX711, W25Q32JVSSIQ and AP2112K-3.3. 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 Force sensor board KiCad files?
From the TheContrappostoShop/Hercules_Sensor repository on GitHub, at the commit this page was made from: the board is PCB/V09/Force sensor board.kicad_pcb and its schematic PCB/V09/Force sensor board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Force sensor board design in my own project?
Its repository states no licence, so its author keeps all rights: ask TheContrappostoShop before reusing the design.