Desk of Ladyada Hot Summer Sunday Stemmas

Woo it is sweltering, which means we got to stay in and do a bunch of engineering. This week we spent a little time finishing up some languishing boards Stemma QT version of the SCD40, SCD41 and IS31FL3741 chips we wrote libraries for both as well We also are dealing with a massive SAMD51 shortage by redesigning some recent boards like the Matrix Portal to be S2 only (so at least there s only one chip to source ) The Great Search BSS138 Dual NChannel FET Alternative Replacement We use hundreds of thousands of the famed dual BSS138 nchannel FET in every one of our breakouts we use them for I2C level shifting on our breakouts and QT boards. But, this ultrajellybean part is of stock everywhere No worries, lets show how to find a dropin replacement so we aren t held up on manufacture. Hot girl summer is a meme, originating with rapper Megan Thee Stallion, about feeling confident in who you areand having fun and looking good while doing it. It