Our site and the GGreg20_V3 DIY Geiger counter product are referenced by the author of the book Francesco Riggi, published by Springer in April 2024 under the title Educational and Amateur Geiger Counter Experiments.
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Recently, the ESPHome firmware has been changed to prevent the same controller I/O ports from being reused to create different entities. This mechanism is called Pin Reuse validation: https://esphome.io/changelog/2023.12.0.html#pin-reuse-validation These…
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####### ggreg20_esp8266_esphome.yaml #####
esphome:
name: esphome_node1 # Controller Unique Name
platform: ESP8266 # Platform type you have to select when creating new yaml-config in ESP Home
board: nodemcuv2 # Controller type you have to select when creating new yaml-config in ESP Home
wifi:
ssid: "YourWiFiSSID"
password: "SSIDPassword"
# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
ssid: "Esphome Node1 Fallback Hotspot"
password: "Cpxg9hRIBU7M"
captive_portal:
# Enable logging
logger:
# Enable Home Assistant API
api:
password: "APIpassword"
ota:
password: "OTApassword"
# Just embedded test D3 (GPIO0) button on every ESP8266 Devboard
# You can press D3 button several times to simulate incoming GGreg pulses
binary_sensor:
- platform: gpio
name: "D3 Input Button"
pin:
number: 0
inverted: True
mode: INPUT_PULLUP
# Here we calc and include to the firmware a power and doze values of ionizing radiation as sensor outputs
sensor:
- platform: pulse_counter
pin: D3
unit_of_measurement: 'mkSv/Hour'
name: 'Ionizing Radiation Power'
count_mode:
rising_edge: DISABLE
falling_edge: INCREMENT
update_interval: 60s
accuracy_decimals: 3
id: my_doze_meter
filters:
- sliding_window_moving_average: # 5-minutes moving average (MA5) here
window_size: 5
send_every: 5
- multiply: 0.0054 # SBM20 tube conversion factor of pulses into mkSv/Hour
- platform: integration
name: "Total Ionizing Radiation Doze"
unit_of_measurement: "mkSv"
sensor: my_doze_meter # link entity id to the pulse_counter values above
icon: "mdi:radioactive"
accuracy_decimals: 5
time_unit: min # integrate values every next minute
filters:
- multiply: 0.00009 # obtained doze (from mkSv/hour into mkSv/minute) conversion factor: 0.0054 / 60 minutes = 0.00009; so pulses * 0.00009 = doze every next minute, mkSv.
####### END of ggreg20_esp8266_esphome.yaml #####