ESP Wi-Fi Logger
Budget: $30 – $250 USD
I need firmware development for ESP32-C3 for following tasks:
-Ultra low power consumption design
-Run on 2xAA batteries for more than a year
-On-board Digital Temperature Sensor value reading and logging (logging period)
-Sending to an MQTT broker (upload period)
-Wait for commands from server after data upload
-Wi-Fi parameter (SSID, passwd) set over BLE for lower power consumption
-Data encryption
-no webpage hosting or accesspoint mode needed
Those are the main functions of the device. We need an experience for low power programming, we are able to design the circuit.
-Ultra low power consumption design
-Run on 2xAA batteries for more than a year
-On-board Digital Temperature Sensor value reading and logging (logging period)
-Sending to an MQTT broker (upload period)
-Wait for commands from server after data upload
-Wi-Fi parameter (SSID, passwd) set over BLE for lower power consumption
-Data encryption
-no webpage hosting or accesspoint mode needed
Those are the main functions of the device. We need an experience for low power programming, we are able to design the circuit.