Initial Commit

.gitignore

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+# Gitignore settings for ESPHome
+# This is an example and may include too much for your use-case.
+# You can modify this file to suit your needs.
+/.esphome/
+secrets.yaml

README.md

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+* [ESP32-C3 Core dev board](https://wiki.luatos.com/chips/esp32c3/board.html)
+    * https://wiki-luatos-com.translate.goog/chips/esp32c3/board.html?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp
+    * ![ESP32-C3 Core Pinout](./docs/esp32-c3-core_pinout.png)
+* [Current Transformer site](https://en.yhdc.com/comp/file/download.do?id=950)
+    * [Current Transformer Datasheet](./docs/SCT013-100-100A-1V.pdf)
+* https://learn.openenergymonitor.org/electricity-monitoring/ct-sensors/interface-with-arduino
+    * https://learn.openenergymonitor.org/electricity-monitoring/ct-sensors/introduction
+* https://esphome.io/components/sensor/ct_clamp.html

docker-compose.yaml

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+version: '3'
+services:
+  esphome:
+    container_name: esphome
+    image: esphome/esphome:2022.10
+    volumes:
+      - ./:/config
+      - /etc/localtime:/etc/localtime:ro
+    privileged: true
+    network_mode: host

laser-cutter.yaml

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+substitutions:
+  node_name: "cms-laser-cutter-power"
+  node_verbose_name: "Laser Cutter"
+
+packages:
+  esp32_c3_core: !include packages/esp32-c3-core.yaml
+  cms: !include packages/cms-general.yaml
+  ct_clamp: !include packages/esp32-c3-core_ct_clamp.yaml

packages/cms-general.yaml

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+esphome:
+  name: "${node_name}"
+
+# Enable logging
+logger:
+
+# Enable Home Assistant API
+api:
+  password: !secret api_password
+  encryption:
+    key: !secret api_key
+
+ota:
+  password: !secret ota_password
+
+wifi:
+  ssid: "CMS-HVAC"
+  password: !secret wifi_password

packages/esp32-c3-core.yaml

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+esphome:
+  platformio_options:
+    board_build.f_flash: 40000000L
+    board_build.flash_mode: dio
+    board_build.flash_size: 4MB
+
+esp32:
+  board: esp32-c3-devkitm-1
+  framework:
+    type: esp-idf

packages/esp32-c3-core_ct_clamp.yaml

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+sensor:
+  - platform: ct_clamp
+    sensor: adc_sensor
+    name: "${node_verbose_name} Measured Current"
+    update_interval: 5s
+    filters:
+      - calibrate_linear:
+          # measured -> actual
+          - 0.003 -> 0
+          - 0.0087 -> 0.8
+          - 0.012 -> 1.117
+          - 0.017 -> 1.575
+
+  - platform: adc
+    pin: GPIO4
+    id: adc_sensor
+    attenuation: 11db
+
+  - platform: adc
+    pin: GPIO0
+    id: adc_ref
+    name: "${node_verbose_name} ADC Ref"
+    update_interval: 10s
+    attenuation: 11db