2 layers19.8 × 47.3 mm
2 layers100.3 × 75.5 mm
RPU1.1-Controller
CooperW824/KiCAD-ProjectsA place for me to store my KiCAD Projects
- Size
- 100.3 × 75.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 124
- Nets
- 162
- Pads
- 486
- Tracks, vias
- 736, 120
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 16 May 2025
- Updated
- 18 Dec 2025
Overview
RPU1.1-Controller is an open-source printed circuit board by CooperW824, from the CooperW824/KiCAD-Projects repository on GitHub, published under the MIT licence. It is a 2-layer board of 100.3 × 75.5 mm with 124 parts on 162 nets, routed with 736 tracks and 120 vias.
It is built around the ATMEGA2560-16AU, MAX485ED and FT231XQ-R, with the HX711, LMR33630ADDA and SS34 among its other parts. Its parts include 35 resistors, 32 capacitors, 14 diodes, 10 ICs and 6 transistors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
9
ATMEGA2560-16AU
TQFP-100(14x14)-40℃~+85℃ 10bit 16MHz 256KB 4.5V~5.5V 4KB 8 Bit 86 8KB AVR Built-in FLASH TQFP-100(14x14) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
MAX485ED
SOP-8-40℃~+85℃ 1 1 1mA 32 4.75V~5.25V 5Mbps Half-Duplex Transceiver ±8kV SOP-8 RS-485 / RS-422 ICs ROHSHTCRS-485 / RS-422 ICs
FT231XQ-R
QFN-20-EP(4x4)-40℃~+85℃ 125uA 3.3V~5V 8mA USB 2.0 USB to UART QFN-20-EP(4x4) USB Converters ROHSFTDIUSB Converters
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)
LMR33630ADDA
ESOP-8-40℃~+125℃@(TJ) 1 1V~24V 24uA 3.8V~36V 3A 400kHz Adjustable Buck Buck Built-in Yes ESOP-8 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
IRLZ44N
TO-22055V 47A N-Channel HEXFET® Power MOSFETInfineon TechnologiesUncategorised
ABM8-16.000MHZ-B2-T
SMD3225-4P-20℃~+70℃ 16MHz 18pF 70Ω ±20ppm ±50ppm SMD3225-4P Crystals ROHSAbraconCrystals
S8550
SOT-23-55℃~+150℃ 1 PNP 100nA 120 150MHz 25V 300mW 500mA 5V 600mV PNP SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
Parts
124| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C17, C19, C20, C21, C22, C23, C24, C25, C26, C30, C31, C32 |
| 10 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R6, R8, R14, R16, R18, R20, R24, R28, R29 |
| 8 | 220 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R13, R15, R17, R19, R23, R26, R27 |
| 7 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C9, C10, C11, C12, C15, C16, C29 |
| 6 | Pressure Transducer | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | P0, P1, P2, P3, P4, P5 |
| 6 | SS34 | Diode_SMD:D_SMA | D2, D3, D4, D5, D6, D7 |
| 5 | IRLZ44N | Package_TO_SOT_THT:TO-220-3_Vertical | Q2, Q3, Q4, Q5, Q7 |
| 5 | L | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | V0, V1, V2, V3, V4 |
| 5 | LED | LED_THT:LED_D5.0mm | D10, D11, D12, D13, D14 |
| 4 | 1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R32, R33, R34, R35 |
| 4 | 1M | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9, R10, R11, R12 |
| 4 | 22uF | Capacitor_SMD:C_0603_1608Metric | C4, C5, C6, C7 |
| 4 | AD8495 | Package_SO:MSOP-8_3x3mm_P0.65mm | U10, U11, U12, U13 |
| 4 | Thermocouple | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | TC0, TC1, TC2, TC3 |
| 3 | LED | LED_SMD:LED_0603_1608Metric | D1, D8, D9 |
| 2 | 100K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 2 | 120 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R30, R31 |
| 2 | 22pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C13, C14 |
| 2 | 27 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R22, R25 |
| 2 | 47pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C27, C28 |
| 2 | MAX485E | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U15, U16 |
| 2 | VDC | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | E0, E1 |
| 1 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C18 |
| 1 | 10uH | Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L2 |
| 1 | 1uF | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 220nF | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 24.9K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | 24K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7 |
| 1 | 5.1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R21 |
| 1 | 8uH | Inductor_SMD:L_0805_2012Metric | L1 |
| 1 | ABM8-16.000MHZ-B2-T | Oscillator:Oscillator_SMD_Abracon_ASE-4Pin_3.2x2.5mm | Y1 |
| 1 | ATmega2560-16A | Package_QFP:TQFP-100_14x14mm_P0.5mm | U2 |
| 1 | CIPO | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | TX1 |
| 1 | COPI | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | RX1 |
| 1 | FT231XQ | Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm | U14 |
| 1 | HX711 | Package_SO:SOP-16_3.9x9.9mm_P1.27mm | U9 |
| 1 | LMR33630ADDA | Package_SO:Texas_HSOP-8-1EP_3.9x4.9mm_P1.27mm_ThermalVias | U1 |
| 1 | Load Cell | TerminalBlock:TerminalBlock_bornier-5_P5.08mm | LC0 |
| 1 | RESET | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | RESET_ENABLE | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | S8550 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | SABV | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | V5 |
| 1 | USB_C_Plug_USB2.0 | Connector_USB:USB_C_Receptacle_Amphenol_12401610E4-2A | USB0 |
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Questions
How big is the RPU1.1-Controller PCB?
It measures 100.3 × 75.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RPU1.1-Controller use?
124 parts, built around the ATMEGA2560-16AU, MAX485ED, FT231XQ-R and HX711. 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 RPU1.1-Controller KiCad files?
From the CooperW824/KiCAD-Projects repository on GitHub, at the commit this page was made from: the board is RPU1.1-Controller/RPU1.1-Controller.kicad_pcb and its schematic Custom_Microcontroller/Custom_Microcontroller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the RPU1.1-Controller design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).