DFRobot Dissolved Oxygen Electrolyte Solution hobby creek it creates an AC signal

it creates an AC signal when the film bends or moves

The SIM808 development board is a Bluetooth-compatible module that also brings an integrated GPS antenna

Weight (w/o batteries): 15

Adafruit Wave Shield for Arduino Kit v1

2 power lanes

DFRobot Dissolved Oxygen Electrolyte Solution hobby creek it creates an AC signalThis product is used to replace the electrolyte solution inside the dissolved oxygen probe. This solution can refill up to 25 dissolved oxygen probes. SPECIFICATIONS: 50mL of Dissolved Oxygen Electrolyte Solution 3mL syringe included DOWNLOADS: Dissolved Oxygen Electrolyte Solution SDS Dissolved Oxygen Electrolyte Solution Instructions