This is a module for controlling high power latching relays through ESPhome or repurposed into controlling an RGBCW light strip and a neopixel output through WLED (technically RGBW as the fifth mosfet isn't connected to a proper gate driver). 

Some questions I have are:

1. Is a localized GND plane for the power mosfets needed or it's better to have a solid ground plane?
2. Is siloing the ESP32 to it's own LDO overkill?
3. Is the LDO voltage margin overkill? It's rated up to 16V so if VCC is somehow sent to the 5v rail it is less likely to kill the ESP32 and all the other stuff. 
4. Is the gate driver necessary at all? I initially just used the output of the AND gate (revised) and before that a 3 state buffer (huge mistake) to drive the mosfets gates.

If it's hard to follow:

* The mosfets are being switched with gate drivers to cut down on heat generation and mostly because the load is inductive and needs <150ms pulses
* Before the gate driver, there is an RC delay fed into a schmitt trigger and gate. In the case that ESPhome bootloops or crashes, it can leave the GPIO high so this delay limits the time it stays on. As a another fail safe, the PCF8574 IO is high when not initialized, this signal is inverted and fed to the other side of the and gate to disable the power switch.
* The USB is protected by a CH213 ideal diode with current limiting.
* The NC (Non Connect) pins on the ESP32-C3 module are not internally connected anyways so some of the PCB pads are removed to allow the enable signals for the ESP32 to be routed.

[PCB Review] Second go at the ESP32 2in1 Relay controller