

Elektronik
Word Clock which is created only out of PCBs
- Size
- 200.7 × 200.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 1,104
- Nets
- 582
- Pads
- 2,336
- Tracks, vias
- 4,261, 250
- Pours
- 8
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 3 Sep 2020
- Updated
- 20 Nov 2020
Overview
Elektronik is an open-source printed circuit board by andreasb242, from the andreasb242/WordClockPcb repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 200.7 × 200.7 mm with 1,104 parts on 582 nets, routed with 4,261 tracks and 250 vias.
It is built around the CH552G, 74HC595 and PCF8563T/5, with the SM4007PL among its other parts. Its parts include 535 resistors, 535 diodes, 10 connectors, 9 capacitors and 6 ICs. It belongs with the 8051 (CH55x, STC, AT89) boards of this library.
Main components
4CH552G
SOP-1616KB 24MHz 3.3V~5V 51 Family 8bit FLASH SOP-16 Microcontrollers (MCU/MPU/SOC) ROHSWCH (Nanjing Qinheng Microelectronics)Microcontrollers (MCU/MPU/SOC)74HC595
SOP-16-40℃~+85℃ 1 100ns@5V,50pF 10MHz 2V~6V 74HC 8 Serial-to-Serial or Parallel Tri-State SOP-16 Shift Registers ROHSGRShift RegistersPCF8563T/5
SO-8-40℃~+85℃ 0.25uA 1V~5.5V Battery low-voltage detection、Programmable clock output、Alarm function、Countdown timer I2C Yes SO-8 Real Time Clocks ROHSNXP SemiconductorsReal Time ClocksSM4007PL
SOD-123FL-55℃~+150℃ 1.1V@1A 10uA@1kV 1A 1kV 25A Independent SOD-123FL Diodes - General Purpose ROHSMDDDiodes - General Purpose
Parts
1,104| Qty | Value | Footprint | References |
|---|---|---|---|
| 528 | LEDCLOCK | LED_SMD:LED_0603_1608Metric | D1, D10, D11, D100, D101, D102, D103, D104, D105, D106, D107, D108, D109, D110, D111, D112 +512 |
| 528 | Rled | Resistor_SMD:R_0402_1005Metric | R1, R10, R11, R100, R101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R111, R112 +512 |
| 7 | 100nF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C4, C5, C7, C8 |
| 5 | 1kΩ | Resistor_SMD:R_0402_1005Metric | R529, R532, R533, R534, R535 |
| 5 | blue | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D529, D532, D533, D534, D535 |
| 4 | 74HC595 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U1, U2, U3, U4 |
| 4 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J6, J7, J8, J9 |
| 4 | Conn_02x04_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J1, J2, J3, J4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_4.3mm_M4_Pad_Via | H1, H2, H3, H4 |
| 3 | TestPoint | TestPoint:TestPoint_Pad_1.5x1.5mm | TP1, TP2, TP3 |
| 2 | 1µF | Capacitor_SMD:C_0603_1608Metric | C6, C9 |
| 2 | 4.7kΩ | Resistor_SMD:R_0402_1005Metric | R530, R531 |
| 2 | SM4007PL | Diode_SMD:D_SOD-123F | D530, D531 |
| 1 | CH552G | Package_SO:SOP-16_4.4x10.4mm_P1.27mm | U6 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J10 |
| 1 | Conn_01x05_Male | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J5 |
| 1 | Crystal | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | Graphics | Graphics:sw | G2 |
| 1 | PCF8563T | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U5 |
Questions
How big is the Elektronik PCB?
It measures 200.7 × 200.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Elektronik use?
1,104 parts, built around the CH552G, 74HC595, PCF8563T/5 and SM4007PL. 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 Elektronik KiCad files?
From the andreasb242/WordClockPcb repository on GitHub, at the commit this page was made from: the board is ElektronikV2/Elektronik.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Elektronik design in my own project?
Its repository publishes it under the GPL-3.0 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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