Adafruit trinket input impedence1/9/2023 To apply the voltage method beneficially, using the internal 1.1V reference voltage of the Adafruit Trinket Pro (according to the datasheet of atmega 328p, which can be found in the Trinket) has to be measured against the input voltage(as described : ). Therefore I was planning to use 1.1V per Battery as a threshold or indication that the battery will die. I found out that the battery mostly crosses below 1,1V before dying. The batteries I was planning to use were NiMh enveloop pro batteries (AA).Ĭonsidering the tests on the battery (I couldn’t find the datasheet) Knowing the limitations I was planning to make use of the Voltage Method. Researching on that topic different questions already have been considered and mostly referred to a link such as If batteries are going to die and a green LED to blink if the batteries are fine. Well I am currently working on building a battery gauge via LED.
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