# chess clock ## Description this is an old pcb desig for a cheap chess clock, ## Project Details - **Owner:** israeli - **Created:** 6/6/2024 - **Last Updated:** 6/6/2024 - **Visibility:** Public ## Key Components ### D1 — [1N4729A,133](https://www.flux.ai/jecstronic/1n4729ac133~w2b.md) - Manufacturer Name: onsemi - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N4744A - Datasheet URL: https://rocelec.widen.net/view/pdf/7qfz7dzkx8/ONSM-S-A0003585147-1.pdf?t.download=true&u=5oefqw - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### D2 — [1N4729A,133](https://www.flux.ai/jecstronic/1n4729ac133~w2b.md) - Manufacturer Part Number: 1N4744A - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi - Datasheet URL: https://rocelec.widen.net/view/pdf/7qfz7dzkx8/ONSM-S-A0003585147-1.pdf?t.download=true&u=5oefqw - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### J1 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J2 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### LED1 — [WP7113SRD/D](https://www.flux.ai/jecstronic/wp7113srdd~f1.md) - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Forward Voltage: 1.85V - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP7113SRD-D.pdf - Manufacturer Name: Kingbright - Manufacturer Part Number: WP7113SRD/D **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [WP7113SRD/D](https://www.flux.ai/jecstronic/wp7113srdd~f1.md) - Manufacturer Part Number: WP7113SRD/D - Manufacturer Name: Kingbright - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP7113SRD-D.pdf - Forward Voltage: 1.85V - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### S1 — [KMR231NGLFS](https://www.flux.ai/jecstronic/kmr231nglfs~8md.md) - Manufacturer Part Number: KMR231NGLFS - Part Type: Switch - Manufacturer Name: C&K - Datasheet URL: https://www.snapeda.com/parts/KMR231NGLFS/C&K/datasheet/ **Pins:** - ~ - ~ - ~ - ~ ### S2 — [KMR231NGLFS](https://www.flux.ai/jecstronic/kmr231nglfs~8md.md) - Manufacturer Name: C&K - Datasheet URL: https://www.snapeda.com/parts/KMR231NGLFS/C&K/datasheet/ - Part Type: Switch - Manufacturer Part Number: KMR231NGLFS **Pins:** - ~ - ~ - ~ - ~ ### U1 — [CD4093BM96](https://www.flux.ai/jecstronic/cd4093bm96~m5l.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Manufacturer Part Number: CD4093BM96 - Datasheet URL: https://www.ti.com/lit/ds/symlink/cd4093b.pdf **Pins:** - A [pin 1] - B [pin 2] - C [pin 5] - D [pin 6] - E [pin 8] - F [pin 9] - G [pin 12] - H [pin 13] - J [pin 3] - K [pin 4] - L [pin 10] - M [pin 11] - VDD [pin 14] - Vss [pin 7] ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 5V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/israeli/chess-clock~69](https://www.flux.ai/israeli/chess-clock~69).* --- *Generated from [https://www.flux.ai/israeli/chess-clock~69](https://www.flux.ai/israeli/chess-clock~69)*