Chonkiest ESP32-S3 Metro is pulling into the station and it is piled high with PSRAM ππΎπ
108This ESP32-S3 metro brings the chonk, with 16 MB of Flash and 8 MB of PSRAM - that's the max you can get in the WROOM module https://www.digikey.com/short/p2zm3v0r . but we think it's worth it's weight in gold cause when we start messing around with the parallel TTL TFT (https://www.adafruit.com/product/1596) driver we're gonna need that space to buffer the full 16 bit 800x480 display... heck we could even double buffer the graphics at that point.
Lots of power options here, too: 6-12V DC jack with on-off switch, USB type C or lipoly battery https://www.adafruit.com/search?q=lipoly . the lipoly can be charged on board and monitored with a MAX17048 https://www.adafruit.com/product/5580 .
One frustration from our Metro ESP32-S2 is that the Espressif Arduino board support package never added pin-reordering, so in this Metro we use consecutive numbered pins from 2-13 so shield pin configurations don't have to change.
For IoT datalogging projects we Stemma QT I2C & a micro SD card socket. We also added a JTAG connection and the hardware UART debug pins in case we have to do some more-than-printf debugging. All the edges are so packed full of stuff that we had to stick the boot0 button and D13 / ON LEDs in the middle!
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