

ClockRev5
Wristwatch with RGB LEDs instead of analog hands.
- Size
- 46 × 46 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 125
- Nets
- 131
- Pads
- 419
- Tracks, vias
- 1,331, 144
- Pours
- 13
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Nov 2023
- Updated
- 17 Jan 2024
Overview
ClockRev5 is an open-source printed circuit board by Steinar10, from the Steinar10/Clock-project repository on GitHub. It is a 2-layer board of 46 × 46 mm with 125 parts on 131 nets, routed with 1,331 tracks and 144 vias.
It is built around the ATXMEGA64A4U-MH, MCP73871EV and TEMD6200FX01, with the SSM3J56MFV,L3F and PUSB3FR4Z among its other parts. Its parts include 66 resistors, 17 capacitors, 15 transistors, 14 diodes and 4 ICs. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
5ATXMEGA64A4U-MH
QFN-44-EP(7x7)-40℃~+85℃ 1.6V~3.6V 12bit 12bit 2KB 32MHz 34 4KB 64KB 8/16 Bit AVR Built-in FLASH QFN-44-EP(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)MCP73871EV
-ModulesMicrochip TechnologyTEMD6200FX01
08050805 Ambient Light Sensors ROHSVishay IntertechnologyAmbient Light SensorsSSM3J56MFV,L3F
SOT-723-31 P-Channel 1.6nC@4.5V 100pF 10pF 150mW 16pF 1V 20V 390mΩ@4.5V 800mA P-Channel ±8V SOT-723 MOSFETs ROHSToshibaMOSFETsPUSB3FR4Z
DFN2510A-10-40℃~+85℃ 0.29pF 1nA 3.3V 3V 5.5V 5A@8/20us Four channels IEC 61000-4-2 TVS Unidirectional DFN2510A-10 ESD and Surge Protection (TVS/ESD) ROHSNexperiaESD And Surge Protection (TVS/ESD)
README
readme.mdThis is a project I've been working on for a long time, in some of my spare time. The end goal is a wristwatch with RGB leds which act as the hands on an analog watch, with some neat extra features. Now on Github since I recently learned how to git gud(ish). Firmware in branch test-firmware.
Parts
125| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 150 | Resistor_SMD:R_0603_1608Metric | R5, R6, R7, R15, R19, R23, R27, R31, R35, R39, R43, R47, R51, R55, R59 |
| 12 | 10 | Resistor_SMD:R_0603_1608Metric | R16, R20, R24, R28, R32, R36, R40, R44, R48, R52, R56, R60 |
| 12 | 15 | Resistor_SMD:R_0603_1608Metric | R17, R21, R25, R29, R33, R37, R41, R45, R49, R53, R57, R61 |
| 12 | 60 | Resistor_SMD:R_0603_1608Metric | R18, R22, R26, R30, R34, R38, R42, R46, R50, R54, R58, R62 |
| 12 | LED_0606_LTST-C19HE1WT | ClockV4_projectlocal_footprints:LTST-C19HE1WT | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12 |
| 12 | SSM3J56MFV | Package_TO_SOT_SMD:SOT-723 | Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 |
| 9 | 4.7 uF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C4, C9, C10, C12, C13, C14 |
| 6 | 100 nF | Capacitor_SMD:C_0603_1608Metric | C5, C6, C7, C8, C16, C17 |
| 4 | 10k | Resistor_SMD:R_0603_1608Metric | R3, R4, R11, TH1 |
| 4 | KSS321G LFS | ClockV4_projectlocal_footprints:KSS side-actuated switch | SW1, SW2, SW3, SW4 |
| 3 | 1k | Resistor_SMD:R_0603_1608Metric | R12, R13, R14 |
| 3 | 5.1k | Resistor_SMD:R_0603_1608Metric | R1, R2, R10 |
| 3 | DMN2710UT-13 | Package_TO_SOT_SMD:SOT-523 | Q1, Q2, Q3 |
| 2 | 10 uF | Capacitor_SMD:C_0603_1608Metric | C11, C15 |
| 1 | 1.5M | Resistor_SMD:R_0603_1608Metric | R65 |
| 1 | 110k | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 2.2M | Resistor_SMD:R_0603_1608Metric | R64 |
| 1 | 270k | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 3.7V Li-ion | ClockV4_projectlocal_footprints:Battery-wires-solderfootprint | BT1 |
| 1 | 500 mA | Fuse:Fuse_0603_1608Metric_Pad1.05x0.95mm_HandSolder | F1 |
| 1 | 680k | Resistor_SMD:R_0603_1608Metric | R63 |
| 1 | ATxmega64A4U-M | Package_DFN_QFN:QFN-44-1EP_7x7mm_P0.5mm_EP5.2x5.2mm | U1 |
| 1 | Conn_02x05_Odd_Even | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical_SMD | J2 |
| 1 | MCP73871 | Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm | U3 |
| 1 | MMC5603NJL | Package_BGA:WLP-4_0.86x0.86mm_P0.4mm | U2 |
| 1 | PUSB3FR4Z | ClockV4_projectlocal_footprints:PUSB3FR4Z | D13 |
| 1 | SIT1552AI | ClockV4_projectlocal_footprints:SIT1552AI | X1 |
| 1 | TEMD6200FX01 | Diode_SMD:D_0805_2012Metric | D14 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_Palconn_UTC16-G | J1 |
| 1 | XCL209A333DR | ClockV4_projectlocal_footprints:XCL209A333DR | U4 |
Questions
How big is the ClockRev5 PCB?
It measures 46 × 46 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ClockRev5 use?
125 parts, built around the ATXMEGA64A4U-MH, MCP73871EV, TEMD6200FX01 and SSM3J56MFV,L3F. 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 ClockRev5 KiCad files?
From the Steinar10/Clock-project repository on GitHub, at the commit this page was made from: the board is ClockRev5.kicad_pcb and its schematic ClockRev5.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ClockRev5 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Steinar10 before reusing the design.
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