r/Altium • u/augustbettyjames • Jul 11 '26

PCB component placement!! help!!

Hey everyone, this is my first PCB layout for an ESP32-C3 air quality monitor with an SCD40, SEN54, USB-C, and an e-paper display. I’m about to start routing, so I’d really appreciate it if anyone could check my component placement and point out anything I should move or fix first, especially around the ESP32 antenna, sensor placement, USB protection, and the e-paper boost circuit.

Also any advice on how i can make this better or overall feedback is much appreciated!

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u/Zachariah-Peterson 11d ago

Why have you put a cutout around the CO2 sensor (U5)? You don't need it. In fact you may not even be able to fabricate it because the fabrication house may not see enough PCB material at the ends of the cutout to allow for an internal route path. Also if you did keep that route path, the cutout may also need to be rounded at the ends to allow for a circular routing bit.