you can start a 9V Hate group.Ill join.Just modded my cheap multimeter with a spare GBA battery I had laying around and a spare TP4056 I had. The output voltage is close to 6v, but it's good enough for this. I just hate 9 volt batteries with a passion.
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Last edited by ciaomao,






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FFEE should have been the 1st thing done. 


