link to esphome added
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@ -19,6 +19,7 @@ higher concentrations of CO2 inside will make you sleepy and have an impact on y
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## build
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just solder everything according to the connection schema.
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get yourself a copy of esphome (https://esphome.io/) and compile the firmware with 'esphome co2sensor.yaml run' - hold boot on your esp until fw upload start.
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### schema
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@ -66,4 +67,4 @@ either way it might be a good idea to have a capacitor between VCC and GND. my p
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* cooldown time for buzzer (alarm only once every n minutes) -> lambda/interval/on_time?
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* add openings for mh-z19 to the case
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* adjust light tunnel to use frosted acrylic glass
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* add a silent switch for meeting rooms and such (no buzzer, but flash at a regular interval to attract attention)
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* add a silent switch for meeting rooms and such (no buzzer, but flash at a regular interval to attract attention)
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Before Width: | Height: | Size: 4.6 KiB After Width: | Height: | Size: 4.6 KiB |
Before Width: | Height: | Size: 13 KiB After Width: | Height: | Size: 13 KiB |
Before Width: | Height: | Size: 49 KiB After Width: | Height: | Size: 49 KiB |
Before Width: | Height: | Size: 2.7 KiB After Width: | Height: | Size: 2.7 KiB |