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Today I have spent most of the day preparing and assembling the 15 test devices. I hope they will find happy owners very soon!

First, the cable connector for the pumps must be assembled.

Then the indicidual devices. The PCB, antenna, battery and the cables are attached.

In the end, we take the pumps, and connect them.

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We have done most of the mobile app development on the Android platform. Using the React Native framework, the app should theoretically be multiplatform, but as with every application, this must be thoroughly tested. We have started to focus on the iPhone application and unfortunately we find several serious differences, which we need to tackle. Hopefully in a couple of weeks we will have a stable iPhone app.

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During May we have spent a lot of time working on the project.

On the HW side, we were solving details of communication between the ESP32 main CPU and the added ATMEGA for watchdog and analog sensors reading. A lot of good work has been done and the designs are aligned. JT is preparing new release of the Firmware, which will incorporate these changes.

On the application side, we are doing a lot of work on optimizing the application and introducing small enhancement. I am very pleased how Mati is improving the app.