Circuit Playground Proto Gizmo - Bolt-on Perma-Proto Shipping:4-6 Days The module's EN input can

The module's EN input can be driven low to put the board into a low-power state where it typically draws between 2 µA and 10 µA per volt on VIN

And its contrast can be adjusted manually

Ultra low power: 4uA sleep mode

You may check the latest version - Gravity: Analog pH Sensor/Meter Kit V2 to meet your requirements and Liquid Sensor Selection Guide to get better familiar with our liquid sensor series

Circuit Playground Proto Gizmo - Bolt-on Perma-Proto Shipping:4-6 Days The module's EN input canExtend and expand your Circuit Playground projects with a bolt on Perma Proto that lets you connect solderable circuits in a sturdy and reliable fashion. This PCB looks just like a solderless breadboard but has permanently affixed M3 standoffs that act as mechanical and electrical connections. Solder to the gold plated traces to create your custom invention! Each pad of the Circuit Playground has a large oval pad you can connect to, and in the center