2 layers35 × 35 mm
4 layers58.5 × 56.7 mm
Toolhead Board
chpaxson/lyra- Size
- 58.5 × 56.7 mm
- Copper layers
- 4
- Thickness
- 1.61 mm
- Parts
- 155
- Nets
- 158
- Pads
- 679
- Tracks, vias
- 1,480, 280
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 15 Jan 2024
- Updated
- 30 May 2024
Overview
Toolhead Board is an open-source printed circuit board by chpaxson, from the chpaxson/lyra repository on GitHub. It is a 4-layer board of 58.5 × 56.7 mm with 155 parts on 158 nets, routed with 1,480 tracks and 280 vias.
It is built around the RP2040, HX711 and PCA9685BS, with the W25Q128JVSIQ, G20N06D52 and BMI270 among its other parts. Its parts include 54 resistors, 53 capacitors, 13 ICs, 9 connectors and 3 transistors. It belongs with the RP2040 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)
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)
PCA9685BS
QFN-28-EP(6x6)QFN-28-EP(6x6) LED Drivers ROHSNXP SemiconductorsLED Drivers
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 FLASHG20N06D52
DFN5x6-8L-55℃~+175℃ 1.22nF 2 N-Channel 2.5V 20A 25nC@10V 30mΩ@10V 45W 55pF 60V 92pF N-Channel DFN5x6-8L MOSFETs ROHSGOFORDMOSFETs
BMI270
LGA-14(2.5x3)-40℃~+85℃ 1.71V~3.6V 16bit 2KB 3.5uA Accelerometer Gyroscope SPI、I2C X,Y,Z X,Y,Z ±16g ±2000dps LGA-14(2.5x3) Accelerometers ROHSBosch SensortecAccelerometers
TMC2209-LA
QFN-28-EP_5x5QFN-28-EP(5x5) SMT ROHSAnalog DevicesUncategorised
MMBT4403
SOT-23-55℃~+150℃ 1 PNP 100 100nA 200MHz 300mW 400mV 40V 5V 600mA PNP SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
CG0603MLC-3.3LE
0603-55℃~+125℃ 0.2pF 1 3.3V 30V Bidirectional ESD IEC 61000-4-2 0603 ESD and Surge Protection (TVS/ESD) ROHSBournsVaristorsPESD1CAN,215-ES
SOT-23ESD And Surge Protection (TVS/ESD)ElecSuper
README
README.mdLyra
6 axis robotic arm
UC Berkeley MECENG 102B Project Designed/built by Angel Garnica, David Gonzalez, Daniel Morales, Charles Paxson
Parts
155| Qty | Value | Footprint | References |
|---|---|---|---|
| 17 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7, C8, C10, C11, C12, C13, C14, C15, C16, C19, C20, C25, C26, C29, C31, C50 +1 |
| 15 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R13, R14, R15, R22, R23, R24, R29, R33, R37, R43, R46, R49, R50, R51, R52 |
| 12 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C33, C35, C36, C37, C39, C41, C42, C43, C45, C47, C48, C49 |
| 12 | 330 | Resistor_SMD:R_2512_6332Metric | R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 |
| 11 | 100 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R28, R31, R32, R35, R36, R39, R40, R44, R45, R47, R48 |
| 6 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C32, C34, C38, C40, C44, C46 |
| 5 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3, C4, C5, C6 |
| 4 | 2.2k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R41, R42, R53, R54 |
| 4 | 22p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C17, C18, C23, C24 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C51, C52, C53 |
| 3 | 3.3uH | Inductor_SMD:L_0805_2012Metric | L1, L2, L3 |
| 3 | 8.2k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R30, R34, R38 |
| 3 | Conn_02x08_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x08_P2.54mm_Vertical | J3, J4, J5 |
| 3 | HX711 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U7, U8, U9 |
| 3 | MMBT4403 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3 |
| 3 | MountingHole | MountingHole:MountingHole_2.2mm_M2_Pad | H2, H2, H2 |
| 3 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H1, H1, H1 |
| 3 | NetTie_2 | NetTie:NetTie-2_SMD_Pad0.5mm | NT1, NT2, NT3 |
| 2 | 0R11 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R26, R27 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16, R17 |
| 2 | 27.4 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R20, R21 |
| 2 | 47p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C21, C22 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R18, R19 |
| 2 | CG0603MLC-3.3LE | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | RV1, RV2 |
| 2 | Conn_02x04_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x04_P2.54mm_Vertical | J2, J6 |
| 2 | G20N06D52 | Library:WDFN-8-1EP_6x5mm_P1.27mm_EP3.4x4mm_No_Center_Pad | U11, U12 |
| 2 | LF15_TO220 | Package_TO_SOT_THT:TO-220-3_Vertical | U1, U2 |
| 2 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP3 |
| 1 | 100u | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C27 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R25 |
| 1 | 12MHz/12pF/50Ω/20ppm | Oscillator:Oscillator_SMD_SeikoEpson_SG210-4Pin_2.5x2.0mm_HandSoldering | Y1 |
| 1 | 16MHz/12pF | Oscillator:Oscillator_SMD_SeikoEpson_SG210-4Pin_2.5x2.0mm_HandSoldering | Y2 |
| 1 | 1u/100V | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 22n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C28 |
| 1 | 4.7u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C30 |
| 1 | BMI270 | Package_LGA:Bosch_LGA-14_3x2.5mm_P0.5mm | U10 |
| 1 | BOOT | Button_Switch_SMD:SW_SPST_B3U-1000P | SW1 |
| 1 | Conn_01x02 | Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J7 |
| 1 | Conn_01x02 | Connector_AMASS:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J9 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | LED | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D1 |
| 1 | MCP25625-x-SS | Package_DFN_QFN:QFN-28-1EP_6x6mm_P0.65mm_EP4.25x4.25mm | U5 |
| 1 | PCA9685BS | Package_DFN_QFN:QFN-28-1EP_6x6mm_P0.65mm_EP4.25x4.25mm | U13 |
| 1 | PESD1CAN_215 | Package_TO_SOT_SMD:SOT-23 | CR1 |
| 1 | RESET | Button_Switch_SMD:SW_SPST_B3U-1000P | SW2 |
| 1 | RP2040 | Package_DFN_QFN:QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U3 |
| 1 | SolderJumper_3_Bridged123 | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | TMC2209-LA | Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.75x3.75mm_ThermalVias | U6 |
| 1 | USB C Receptacle | Connector_USB:USB_C_Receptacle_JAE_DX07S016JA1R1500 | J1 |
| 1 | W25Q128JVS | Package_SO:SOIC-8_5.23x5.23mm_P1.27mm | U4 |
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Questions
How big is the Toolhead Board PCB?
It measures 58.5 × 56.7 mm and has 4 copper layers, 1.61 mm thick.
What parts does the Toolhead Board use?
155 parts, built around the RP2040, HX711, PCA9685BS 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 Toolhead Board KiCad files?
From the chpaxson/lyra repository on GitHub, at the commit this page was made from: the board is Hardware/Electronics/Custom PCBs/Toolhead Board/Toolhead Board.kicad_pcb and its schematic Hardware/Electronics/Custom PCBs/Magnetic Angle Sensor Breakout v2/magn_angle_sensor_v2/magn_angle_sensor_v2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Toolhead Board design in my own project?
Its repository states no licence, so its author keeps all rights: ask chpaxson before reusing the design.