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The S3P is a small development board that I created which is just 34x32mm and includes as many features as I could pack into it. This includes:
a buzzer
a neopixel 1515 LED
21 GPIOs broken out through doublerow headers
second 3.3V user LDO up to 1A
up to 16V input voltage to linear regulators
ESD protection on USBC port, and battery voltage pin
16MB flash, 8MB PSRAM
Chip antenna (not fully tuned but still performs pretty well)
and, a whole bunch of other stuff that I probably forgot to mention because there's so much.

Github: https://github.com/hxelec/s3p

If you'd like any advice for designing your own ESP32S3, I'd be happy to help if you commented down below, because I definitely get how it can be really hard starting out with these types of boards. They probably don't teach you this sort of stuff in school, and, personally, I had to learn every aspect of this board myself through YouTube videos online and datasheets. The chip antenna was one of the hardest parts of this, since there isn't much information about using one, just PCB antennas, and, to give you an example of where I was when I started this board, I didn't even know what a transistor did, and how I could use one. So, while this is a more 'testing and building' aimed video, and not as much a tutorial/educational video, I can still provide you guys some personal help if you want it, just leave a comment and I'll reply soon enough.

Don't worry, you will see more content with this board; I know this wasn't a great full demonstration, but I don't even have an oscilloscope or spectrum analyser yet, nor can I afford one, so there's not much else I could do with it for now. I will be using this board in a custom line follower though, which you'll be seeing in one of the next episodes.

Music:

Treat You Right by @CADENCE0
   • [FREE FOR PROFIT] DRAKE X LIL YACHTY ...  

Acid Jazz by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...
Source: https://freemusicarchive.org/music/Ke...
Artist: http://incompetech.com/

00:00 Intro
01:12 Design
02:01 Unboxing
02:35 Plugging it in for the first time
02:47 Testing the flash
03:01 Testing the buzzer
03:20 Testing the neopixel
03:32 Testing the chip antenna (WiFi)
04:13 Testing the chip antenna (BLE)
04:43 Testing the chip antenna (ESPNOW)
05:23 Outro + giveaway announcement