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Ol' Timer II PCB [19104201] The PCB for the Ol' Timer II Double-sided PCB with plated through holes, solder mask and silkscreen overlay. Comes with red, blue or matte black solder mask (black shown; see the article for photos of the other options). 77 x 99mm. Solder mask colour: blackredblue Cat No SC5514. Price: AUD $5.00 1  Add to trolley In stock: yes (11 available). Estimated dispatch time: 3-10 days Related to: Project: Ol' Timer II (July 2020 [print issue] [online issue]) Other items relevant to this project: PIC16F1455-I/SL programmed for the Ol' Timer II [1910420A.HEX] ($10.00) Add to trolley DS3231 real-time clock IC (SOIC-16) ($6.50) Add to trolley WS2812 8x8 RGB LED matrix ($12.50) Add to trolley Ol' Timer II laser-cut case pieces and spacer ($7.50) Add to trolley Firmware and source code for the Ol' Timer II word clock (Free) Add to trolley Ol' Timer II PCB pattern (PDF download) [09104201] (Free) Add to trolley