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Old 02-14-2023, 10:42 AM   #1121
stj
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Default Re: ESR meter upgrades

what cpu is in it?
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Old 02-15-2023, 12:18 PM   #1122
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Default Re: ESR meter upgrades

Atmega 644p
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Old 02-15-2023, 02:27 PM   #1123
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Default Re: ESR meter upgrades

good - because the replacement software wont fit a 324

this is actually built for a 1284 but it should work i think
it expects a 20Mhz crystal
changed config files are included for viewing
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File Type: zip 1.45m(TC-1).zip (59.4 KB, 6 views)
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Old 02-15-2023, 02:33 PM   #1124
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Default Re: ESR meter upgrades

i forgot to say,
you need to reprogram the 8 pin microcontroller that controls power, or replace it with a small circuit
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File Type: zip TC1-Mod.zip (188.7 KB, 7 views)
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Old 02-15-2023, 03:55 PM   #1125
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Default Re: ESR meter upgrades

Thank's Stj have you found this better than the original.
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Old 02-15-2023, 04:19 PM   #1126
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Default Re: ESR meter upgrades

yes,
lots of new features.
but the biggest thing was the circuit for power.
the original 8pin microcontroller seemed to not go into sleep-mode sometimes and was draining the battery
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Old 07-18-2023, 10:16 AM   #1127
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Default Re: ESR meter upgrades

Which ESR meter would you reccomend for testing caps in vintage solid state audio gear? Do i need LCR so i can measure at different frequencys?
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Old 07-18-2023, 12:59 PM   #1128
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Default Re: ESR meter upgrades

vintage and solid-state arent 2 words you often hear together.
you mean 70's and 80's ?
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