Teardown and review of the new MHS5200A

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https://www.electronics-lab.com/teardown-review-new-mhs5200a/

Craig writes: I’ve gotten a lot of questions on the blog about the new version of the MHS5200A function generators available on eBay. Viewer Tolga was kind enough to send one in to me to review and tear down. Although some improvements have been made over the older models, there are some concerning issues with […]

Using a $2 DS3231 RTC & AT24C32 EEprom from eBay

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https://www.electronics-lab.com/using-a-2-ds3231-rtc-at24c32-eeprom-from-ebay/

Edward Mallon @ edwardmallon.wordpress.com gives us a detailed explanation about cheap RTC modules found on ebay and other places. I built the first few beta units with the DS3231 Chronodot from Macetech (about $18 each), but I kept on stumbling across cheap RTC modules on eBay, Amazon, etc. and I eventually bought a couple to try […]