Hello world with ESPHome on ESP32-S3

dev board ESP32-S3-DevKitC-1

chip ESP32-S3-WROOM-1-N8R2

features esphome esp32s3

Before starting

Dependancies

Ensure the following dependancies are downloaded and available:

ESPHome

Buy the components

ESP32-S3-DevKitC-1-N8R2

Code

Download config hello-esphome-esp32s3.yaml

esphome:
  name: hello

  on_boot:
    - repeat:
        count: 10
        then:
          - logger.log: "Hello World"
          - delay: 1s

esp32:
  board: esp32-s3-devkitc-1
  variant: esp32s3
  framework:
    type: arduino
    version: 2.0.3
    platform_version: 5.1.0

logger:
  level: VERBOSE
  baud_rate: 115200
  deassert_rts_dtr: true
  # Enable USB CDC: https://esphome.io/components/logger.html#hardware-uarts
  # hardware_uart: USB_CDC

Makefile

YAML_FILE=hello-esphome-esp32s3.yaml
UPLOAD_PORT?=/dev/cu.usbmodem14*
SERIAL_PORT?=/dev/cu.usbserial-14*

.PHONY: default compile upload clean

default: clean compile upload

help: ## Show help message
	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m\033[0m\n"} /^[$$()% 0-9a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)

compile:
	esphome compile $(YAML_FILE)

upload:
	@echo "Ensure you plug in the board into the USB port"
	esphome upload --device $(UPLOAD_PORT) $(YAML_FILE)

log:
	@echo "Ensure you plug in the board into the UART port"
	esphome logs --device $(SERIAL_PORT) $(YAML_FILE)

clean:
	rm -rf .esphome

Prototype

A photo of the actual setup.

Serial console

Serial output from the firmware.

Hello world with ESPHome on ESP32-S3 browser

Change to the UART port to view the logs

Description

Installing ESPHome CLI

$ python --version
Python 3.10.6

$ pip3 --version
pip 22.2.2

$ pip3 install wheel
$ pip3 install esphome
$ esphome version
Version: 2022.8.3

Compile and upload

Compile firmware for this board

 esphome compile hello-esphome-esp32s3.yaml

Plug into the USB port of the board and check the port address

 $ ls /dev/cu.*

 /dev/cu.Bluetooth-Incoming-Port  /dev/cu.usbmodem14101

Upload the firmware

 esphome upload --device /dev/cu.usbmodem14101 hello-esphome-esp32s3.yaml

Access logs

Unplug and plug into the UART port of the board

Check the new port address

 $ ls /dev/cu.*
 /dev/cu.Bluetooth-Incoming-Port  /dev/cu.SLAB_USBtoUART  /dev/cu.usbserial-1410

Access the logs

 esphome logs --device /dev/cu.usbserial-1410 hello-esphome-esp32s3.yaml