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Showing content with the highest reputation on 06/09/25 in Posts
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I'd stick to the existing type ie 74LS541 or even 74ALS541. I know there are some minor differences with the CMOS types (HC) that may (or may not) cause a problem.1 point
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Found this. Wish I had a time machine...1 point
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Yep always good to swap out those three transistors. If it takes a long time for the reset LED to go out it's possibly IC20 that's going bad. Any of those 4 IC's surrounding the CPU all suffer due to the battry.1 point
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Yep, it does make it an MPU2. They obviously made these before the MPU2 was released to give the extra functionality, and then developed it into the MPU2. Managed to get it working today.1 point
