first ever kicad schematic

[Diego18901]

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hi guys so I am new to the small world of pcb creation. and I thought it would be fun to try and make a haloween costume as my first creation. I do have some welding and big soldering experience but not these small components. so my pcb is based as a board where the esp32 sits on top of. it basically powers servos at the press of a button with multiple functions. 1 tap makes both servos “blink” 2 press shuts it half way, long press keeps the servo closed. and 3 and 4 presses are to control 1 servo.

anyway as this is my first ever schematic I want to run it by you guys, to see did I do everything correctly or do I need to adjust some things( or simply give up:).)
a few questions I will probably get:
-what is the power source?
4xAA batteries alkaline or nimh
-why aren’t you choosing li-ion or lifepo4 batteries?
it will be close to my face so due to heat of lithium and a buck I don’t have confidence to keep them neat my face
-why?
I am a retired and injured athlete and wanted to dive into new hobbies and I have always been amazed by what you guys are able to make. basically you guys can make rocks believe into thinking.

for other questions please reply or how this forum works:). thank you for all the help in advance

also I actually have zero clue what the correct discussion page is for this.

[Shourov-Paul]

If you just want to press a button and do something, I don’t think you need so many components here.

The ME6211 LDO on the ESP32-C3 Super Mini can easily take 6.5V as Vin, so you can directly connect the battery with only a polyfuse.

For the button, connect it from a GPIO pin to GND and use the INPUT_PULLUP function in the code, so you don’t need those additional components.

For the servo, you don’t need a 220Ω resistor.

[abduznik]

Sick project! "Rocks that believe into thinking" is a legendary way to describe a CPU.

A few quick tips on the schematic:

Voltage: 4xAA fresh Alkalines hit 6V. Check if your SuperMini regulator is rated for that; NiMH (4.8V) might be safer for a face-mounted project.

The Switch: Ditch R3 and C10. Just wire the switch to GND and use INPUT_PULLUP in your code. It's way simpler, or instead use a physical pullup resistor.

Capacitors: Keep C3/C4 as close to the servo power pins as possible on the board so the ESP32 doesn't reboot when the motors twitch.

Protection: Love the Q1 MOSFET for reverse polarity protection. Very pro move for a first timer.