EnvSens is a compact sensor module for ambient air and brightness monitoring with an ESP-12E Wifi microcontroller. It runs until a minimal battery voltage from 2.5 V properly. Ideal for IoT applications!
With help of the BME680 sensor from Bosch, temperature, humidity, air pressure and air quality can be measured in a very energy-saving way. In addition, LITE-ON's LTR303 digital ambient light sensor enables the monitoring of daylight and lamp light close to the spectral viewing range. A real-time clock (RTC) AB0805 from Abracon provides the time for the measuring points with low power consumption. All modules are connected to ESP-12E via I2C bus.
| Module | Function | Datasheet | Software Library |
|---|---|---|---|
| Bosch BME680 | Temperature, Humidity, Pressure, Air Quality | bst-bme680-ds001.pdf | Adafruit_BME680 |
| LITE-ON LTR303 | Ambient Light Sensor | Lite-On_LTR-303ALS-01_DS.pdf | Automote_LTR303 |
| Abracon AB0805 | RTC | AB08X5-RTC.PDF | AB0805_lib (*) |
| AI-Thinker ESP-12E | 32 Bit Microcontroller with WiFi | ESP12E_Datasheet.pdf | |
| * Issue in Abracon AB0805 Library: Hours shows 0 every time. Resolution -> Remove all functions for 12-hour format (see issues discussions) |
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