# esphome

## esp32

[docs](https://esphome.io/guides/getting_started_command_line.html)

Just start with an existing yaml, such as base_esp32.yaml.

Plug it in to laptop, then run:

```sh
docker run --rm -v "${PWD}":/config --device=/dev/ttyUSB0 -it esphome/esphome base_esp32.yaml run
```

Then set static IP in router.
Then in [esphome on server](http://wildebeest:6052/) create same thing, add static IP block, then upload.
Should now be online.

## Hardware

### irf520

[pin-out](https://protosupplies.com/product/irf520-n-ch-mosfet-module/)

#### 1 x 3 Male Header

SIG = Signal input (active HIGH).  Typically used with 5V logic.  Can be driven at up to 10V to fully turn on the IRF520.
VCC = No connection
GND = Digital ground.

#### 1 x 2 Screw Terminal (Load)

V+ = Connect to positive lead of load (motor, LEDs, fan, etc)
V- = Connect to negative lead of load

#### 1 x 2 Screw Terminal (Power)

VIN = Connect to power supply (0-24V) being used to power the load
GND = Connect to power supply ground