/challenges-projects/project14/b/news/posts/unusual-555-timers-7-segment-displays-board-games-or-pocket-calculators-you-decide-in-the-latest-project14-pollOp-Amps will be the Next Competition that You Decided! Pick a theme for the March project competition by voting in our poll! Submit theme ideas for next month&#39;s project competition in the comments below. 555 Timer...en-USTelligent Community 12https://community.element14.com/challenges-projects/project14/b/news/posts/unusual-555-timers-7-segment-displays-board-games-or-pocket-calculators-you-decide-in-the-latest-project14-pollFri, 28 Jan 2022 12:26:51 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:0272ab92-cdb1-4397-95e6-0bb98d30494fjc20481<p>Clue as to how I voted. I bought this Commodore SR-1800 sometime in the mid 1970s. It still works on the AC adaptor, though the rechargeable nicad batteries are long gone.</p> <p><img alt=" " src="/resized-image/__size/1280x720/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-0272ab92-cdb1-4397-95e6-0bb98d30494f/sr_2D00_1800.JPG" /></p><img src="https://community.element14.com/aggbug?PostID=22915&AppID=490&AppType=Weblog&ContentType=0" width="1" height="1">