diff --git a/oil_sensor/README.md b/oil_sensor/README.md index 5f1e1e5..db605a9 100644 --- a/oil_sensor/README.md +++ b/oil_sensor/README.md @@ -1,14 +1,3 @@ -# Temperature sensor +# Oil sensor -It uses a [TMP36](https://cloud.hodos.ro/wiki/ha/datasheets/TMP35_36_37.pdf) to read temperature and it is optimised for power consumption. -It uses watch dog that wakes every 8s and increments a counter. Once the counter reaches a certain value (e.g. equivalent to 5 mins), it will read and send temperature to the gateway. -Every hour the voltage is also read and sent. - -According to the calculator here, https://www.geekstips.com/battery-life-calculator-sleep-mode/, a cell coin battery with a capacity of `240mAh` should last for -`~ 3 months (108 days)`, given that: -- Current consumption of device during sleep is `4.5uA` -- Device wakes up every `5 mins (12 times/hour)` -- Current consumption of device during wake is `10mA` -- Duration of wake time is `1000 ms` - -![Schematics](docs/temp_sensor_bb.png) +![Schematics](docs/oil_sensor_bb.png) diff --git a/oil_sensor/docs/oil_sensor.fzz b/oil_sensor/docs/oil_sensor.fzz new file mode 100644 index 0000000..9f0ff23 Binary files /dev/null and b/oil_sensor/docs/oil_sensor.fzz differ diff --git a/oil_sensor/docs/oil_sensor_bb.png b/oil_sensor/docs/oil_sensor_bb.png new file mode 100644 index 0000000..f55cbe3 Binary files /dev/null and b/oil_sensor/docs/oil_sensor_bb.png differ