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Old 07-02-21, 11:29 AM   #573
poorwill
Lurking Renovator
 
Join Date: Jun 2021
Location: Connecticut
Posts: 3
Thanks: 5
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Default Progress on HRV

I got Platform IO to work with my Arduino Mega card. It is much better than the Arduino IDE. I ordered an ESP32-DevKitC-32E development board. The micro USB cords and wireless breadboards cost $20. The esp32 controller was only $10.

I may be able to use a Raspberry Pi as the data recording and presentation station. Esp cards can talk and control each other. Some have a battery and storage built into them. Truly amazing stuff for the price. I found out the Dallas DS 18B20 (digital temperature output) can be multiplexed into one channel.

I need to build the mechanical stuff also which could take some time in the hot attic. A few more post and maybe I will be able to show pictures...
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