Tools
The calculators we use on our own projects, cleaned up for yours. Each one shows its working and says what it leaves out.
How long will it run on this battery?
Battery-life estimator
Sleep current, wake current and reporting interval in; average current and battery life out, with what's eating the charge.
Open the tool
Will this sensor fit my ADC?
Voltage divider for ADCs
Checks a resistor divider against the ESP32, ESP32-S3, ESP32-C3, STM32 or ATmega328P input range, and suggests standard values.
Open the tool
How much mobile data will my devices use?
MQTT data budget
Bytes per message and per month, counted the way a data plan counts them, for persistent and reconnecting nodes.
Open the tool