ESP32 SensorNode, 4-in-1 Wi-Fi multisensor boardDesigned by TheNico's Electronics in Switzerland
For shipping reasons, if the order contains more than 4 boards, an additional fee will be added automatically. If you need more than 4 boards, please contact me before ordering in order to avoid po...Read More…
For shipping reasons, if the order contains more than 4 boards, an additional fee will be added automatically. If you need more than 4 boards, please contact me before ordering in order to avoid possibly larger costs.
ESP32 SensorNode is an ESP32 based multi-purpose sensor for use in home automation systems. It connects via Wi-Fi to your home automation system and allows you to receive the measured parameters such as temperature, humidity, brightness, and movement.
The board can be programmed over USB and it's compatible with both ESPHome (please read below) and the custom ESP-IDF software for use with Home Assistant. The custom ESP-IDF software utilizes MQTT and it should be compatible with other home automation systems.
Each board includes a cover for the PIR sensor. The boards have been tested and come with a basic version of ESPHome installed. Replacement firmware can be loaded from the web interface or via USB with software such as ESPHomeFlasher or similar.
The sensors installed on the board are the following:
Temperature accuracy when using ESPHome
Due to the high consumption of the ESP32 with Wi-Fi enabled, the board tends to heat up over time and the measured temperature can increase by about 1°C.
At the time of writing, ESPHome allows you to configure wifi power saving but does not yet support light sleep, which would further reduce consumption and consequently unnecessary heat. It should be possible to use deep sleep with ESPHome but it has not been extensively tested.
An alternative custom software based on ESP-IDF has been developed for this board to minimize the problems caused by the high power consumption of the ESP32 microcontroller and its influence on measurements. This software uses deep sleep and parsimonious use of Wi-Fi to minimize power consumption and the resulting increase of the board's temperature.
The software installation guide can be found in the project wiki.
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