2 layers162.6 × 194.3 mm
2 layers162.6 × 194.3 mm
ClockIOT
wyolum/ClockIOT4Word Clock
- Size
- 162.6 × 194.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 294
- Nets
- 341
- Pads
- 1,549
- Tracks, vias
- 2,773, 138
- Pours
- 18
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 21 Mar 2018
- Updated
- 10 Dec 2022
Overview
ClockIOT is an open-source printed circuit board by wyolum, from the wyolum/ClockIOT repository on GitHub, published under the MIT licence. It is a 2-layer board of 162.6 × 194.3 mm with 294 parts on 341 nets, routed with 2,773 tracks and 138 vias.
It is built around the CP2102N-A01-GQFN28R, ESP-WROOM-32D and DS3231N/DIP, with the DDC114TU and PRTR5V0U2X among its other parts. Its parts include 132 ICs, 31 capacitors, 23 resistors, 23 connectors and 6 switches.
Main components
5
CP2102N-A01-GQFN28R
QFN-28-EP(5x5)-40℃~+85℃ 13.7mA 195uA 3Mbps 3V~3.6V Transceiver USB 2.0 QFN-28-EP(5x5) USB Converters ROHSSilicon LabsUSB Converters
ESP-WROOM-32D
-- WiFi Modules ROHSMIWiFi Modules
DS3231N/DIP
--40℃~+85℃ 2.3V~5.5V Built-in I2C Temperature compensation、Backup power management and battery charging、Programmable clock output、Alarm function - Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time Clocks
DDC114TU
SOT-363-55℃~+150℃ 0.5uA 100 100mA 10kΩ 2 NPN (Pre-Biased) 200mW 250MHz 300mV 50V 5V NPN SOT-363 Digital Transistors ROHSDiodes IncorporatedDigital Transistors
PRTR5V0U2X
SOT-143-55℃~+125℃ 0.3pF、0.8pF 100W 10V、15V 5V 6.5V 6A 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)
README
README.mdClockIOT
Word Clock
/kicad will be the latest HW version. Earlier versions get sequentially numbered _v0, _v1 etc.
Parts
294| Qty | Value | Footprint | References |
|---|---|---|---|
| 128 | APA102 | ClockIOT_libs:APA102 | U1, U10, U11, U100, U101, U102, U103, U104, U105, U106, U107, U108, U109, U110, U111, U112 +112 |
| 44 | hole_baffle | ClockIOT_libs:hole_baffle_2mm | HB1, HB2, HB10, HB11, HB12, HB13, HB14, HB15, HB16, HB17, HB18, HB19, HB20, HB21, HB22, HB23 +28 |
| 22 | 100nF | ClockIOT_libs:c_0805 | C1, C2, C3, C10, C11, C12, C13, C14, C15, C16, C22, C24, C26, C29, C30, C31 +6 |
| 10 | 10k | ClockIOT_libs:r_0805 | R3, R6, R7, R10, R11, R12, R13, R14, R24, R25 |
| 7 | Mouse_Bite | ClockIOT_libs:mouse-bite-0.3in-slot_OSH | BITE1, BITE2, BITE3, BITE4, BITE5, BITE6, BITE7 |
| 5 | 470R | ClockIOT_libs:r_0805 | R1, R2, R16, R18, R22 |
| 4 | mtg_hole_3mm | ClockIOT_libs:1pin | HB51, HB52, HB53, HB54 |
| 4 | mtg_hole_3mm | ClockIOT_libs:MountingHole_3.2mm_M3_Pad_Via | HB47, HB48, HB49, HB50 |
| 3 | 10uF/25V | ClockIOT_libs:c_2917 | C17, C23, C25 |
| 3 | 1nF | ClockIOT_libs:c_0805 | C19, C20, C21 |
| 2 | 0R | ClockIOT_libs:r_0805 | R21, R23 |
| 2 | 0R NC | ClockIOT_libs:r_0805 | R19, R20 |
| 2 | 1k | ClockIOT_libs:r_0805 | R4, R5 |
| 2 | 330E | ClockIOT_libs:r_0805 | L1, L2 |
| 2 | 4K7 | ClockIOT_libs:r_0805 | R8, R9 |
| 2 | 5V | ClockIOT_libs:1pin | J7, J15 |
| 2 | CLK_IN | ClockIOT_libs:1pin | J1, J9 |
| 2 | DAT_IN | ClockIOT_libs:1pin | J2, J10 |
| 2 | GND | ClockIOT_libs:1pin | J8, J16 |
| 2 | KiCad | ClockIOT_libs:KiCad-Logo2_6mm_SilkScreen | G2, G8 |
| 2 | LDR | ClockIOT_libs:r_0805_ldr_2 | LDR1, LDR2 |
| 2 | LOGO_WL | ClockIOT_libs:Logo-WL3 | G1, G7 |
| 2 | OSHW | ClockIOT_libs:OSHW_6mm | G3, G9 |
| 2 | mtg_hole_3mm_small | ClockIOT_libs:MountingHole_3.2mm_M3 | HB45, HB46 |
| 2 | qwiic | ClockIOT_libs:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J24, J25 |
| 1 | 100uF/6V3 | ClockIOT_libs:c_2917 | C27 |
| 1 | 1117-33 | ClockIOT_libs:SOT-223-3_TabPin2 | U131 |
| 1 | 1uF/10V | ClockIOT_libs:c_0805 | C28 |
| 1 | 22uF/25V | ClockIOT_libs:c_2917 | C18 |
| 1 | 32kHz | ClockIOT_libs:BreakOutPad | TP3 |
| 1 | 3V3 | ClockIOT_libs:BreakOutPad | J18 |
| 1 | Batt_RTC | ClockIOT_libs:CR2032_SMD_SKST-2007D | BT1 |
| 1 | CP2102N-A01-GQFN28 | ClockIOT_libs:QFN-28-1EP_5x5mm_Pitch0.5mm | U132 |
| 1 | DDC114TU | ClockIOT_libs:SOT-363_SC-70-6 | Q1 |
| 1 | DS3231N | ClockIOT_libs:DS3231 | U130 |
| 1 | ESP-wroom-32 | ClockIOT_libs:esp_wroom_32 | U129 |
| 1 | GND | ClockIOT_libs:BreakOutPad | J23 |
| 1 | IN_CLK | ClockIOT_libs:PinSocket_1x03_P2.54mm_Horizontal | P5 |
| 1 | IN_DAT | ClockIOT_libs:PinSocket_1x03_P2.54mm_Horizontal | P4 |
| 1 | LED_PWR | ClockIOT_libs:LED-0805 | D2 |
| 1 | LED_PWR_EN | ClockIOT_libs:R_0402 | JP1 |
| 1 | MISO | ClockIOT_libs:BreakOutPad | J17 |
| 1 | MOSI | ClockIOT_libs:BreakOutPad | J21 |
| 1 | OUT_CLK | ClockIOT_libs:PinSocket_1x03_P2.54mm_Horizontal | P2 |
| 1 | OUT_DAT | ClockIOT_libs:PinSocket_1x03_P2.54mm_Horizontal | P6 |
| 1 | PRTR5V0U2X | ClockIOT_libs:SOT-143 | D1 |
| 1 | RST | ClockIOT_libs:BreakOutPad | J22 |
| 1 | SCK | ClockIOT_libs:BreakOutPad | J19 |
| 1 | SPI | ClockIOT_libs:Header_ISP | J20 |
| 1 | SQR | ClockIOT_libs:BreakOutPad | TP2 |
| 1 | SW-BOOT | ClockIOT_libs:SW_SMD_43_RED | S4 |
| 1 | SW-DEC | ClockIOT_libs:SW_SMD_70_BLK | S5 |
| 1 | SW-EN | ClockIOT_libs:SW_SMD_43_RED | S3 |
| 1 | SW-ENTER | ClockIOT_libs:SW_SMD_70_BLK | S1 |
| 1 | SW-INC | ClockIOT_libs:SW_SMD_70_BLK | S2 |
| 1 | SW-MODE | ClockIOT_libs:SW_SMD_70_BLK | S6 |
| 1 | USB-C_breakout | ClockIOT_libs:USB-C_bout | P3 |
| 1 | USB_micro | ClockIOT_libs:USB_Micro-B_seeed-320010561 | P1 |
| 1 | ~RST | ClockIOT_libs:BreakOutPad | TP1 |
Questions
How big is the ClockIOT PCB?
It measures 162.6 × 194.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ClockIOT use?
294 parts, built around the CP2102N-A01-GQFN28R, ESP-WROOM-32D, DS3231N/DIP and DDC114TU. 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 ClockIOT KiCad files?
From the wyolum/ClockIOT repository on GitHub, at the commit this page was made from: the board is kicad/ClockIOT.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the ClockIOT 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).
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