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	Firmware and source code for the Ol' Timer II word clock The PIC16F1455 microcontroller firmware (HEX file) plus C source code for the Ol' Timer II. Cat No SC5533. Price: Free Files: Ol' Timer II Software.zip (ZIP contains .hex file and MPLAB X C project with source code; 949.7KB) Related to: Project: Ol' Timer II (July 2020 [print issue] [online issue]) View 6 other items relevant to the same project(s)
	DS3231 real-time clock IC (SOIC-16) An accurate timekeeping chip with precision internal crystal in a wide SOIC-16 SMD package. Cat No SC5103. Price: AUD $7.50 1  Add to trolley In stock: yes (5 available). Estimated dispatch time: 1-3 days Related to: Project: Micromite LCD BackPack Version 3 (August 2019 [print issue] [online issue]) Project: Ol' Timer II (July 2020 [print issue] [online issue]) Project: Battery Multi Logger (February 2021 [print issue] [online issue]) Project: Battery Multi Logger - Part 2 (March 2021 [print issue] [online issue]) Project: Advanced GPS Computer - Part 1 (June 2021 [print issue] [online issue]) Project: Advanced GPS Computer – Part 2 (July 2021 [print issue] [online issue]) Project: Multi-Purpose Battery Manager (August 2021 [print issue] [online issue]) Project: Raspberry Pi Pico BackPack (March 2022 [print issue] [online issue]) Project: Raspberry Pi Pico W BackPack (January 2023 [print issue] [online issue]) Project: The Pico Computer (December 2024 [print issue] [online issue]) View 65 other items relevant to the same project(s)
	WS2812 8x8 RGB LED matrix A 10x10cm module with 64 SMD 5050 package RGB LEDs that runs from a 5V supply and is controlled using a 1-wire style serial bus. See our article in the January 2020 issue for details on how these modules can be driven and daisy-chained. Cat No SC5270. Price: AUD $12.50 1  Add to trolley (available until stock is exhausted) In stock: yes (10 available). Estimated dispatch time: 1-3 days Related to: Feature: El Cheapo modules: “Intelligent” 8x8 RGB LED Matrix (January 2020 [print issue] [online issue]) Project: Ol' Timer II (July 2020 [print issue] [online issue]) View 7 other items relevant to the same project(s)
	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 (12 available). Estimated dispatch time: 3-10 days Related to: Project: Ol' Timer II (July 2020 [print issue] [online issue]) View 6 other items relevant to the same project(s)
	PIC16F1455-I/SL programmed for the Ol' Timer II [1910420A.HEX] A PIC16F1455-I/SL 8-bit SMD microcontroller programmed with the firmware for the Ol' Timer II (1910420A.HEX). Cat No SC5532. Price: AUD $10.00 1  Add to trolley In stock: yes (25 available). Estimated dispatch time: 1-3 days Related to: Project: Ol' Timer II (July 2020 [print issue] [online issue]) View 6 other items relevant to the same project(s)
	Ol' Timer II PCB pattern (PDF download) [09104201] A PDF file containing the PCB pattern for the Ol' Timer II word clock. Both layers are in a single PDF. Cat No SC5534. Price: Free Files: Ol' Timer II PCB (19104201).pdf (211.1KB) Related to: Project: Ol' Timer II (July 2020 [print issue] [online issue]) View 6 other items relevant to the same project(s)
	Ol' Timer II laser-cut case pieces and spacer A set of 3mm black laser-cut acrylic case pieces and the LED array spacer required to build the Ol' Timer II word clock. Note: the screws shown in the photo are not included and must be purchased separately. Cat No SC5448. Price: AUD $7.50 1  Add to trolley (available until stock is exhausted) In stock: yes (3 available). Estimated dispatch time: 1-3 days Related to: Project: Ol' Timer II (July 2020 [print issue] [online issue]) View 6 other items relevant to the same project(s)