Upload failed programmer not responding


i have uno , got avrdude: stk500_recv () : programmer not responding. error message. used photoresistor. temperature sensor. servo motor , 7.2v battery bank 6 batteries 1.2v each connected barrel jack.
servo connected pin 9
and power connected vin

temp sensor pim a1
power connected 3.3v , aref
see picture. ignore light sensor , yellow jump wire



light sensor pin a0
power 5v pin

ive done loop test , without chip. both passed. ive had happen me before went away next time uploaded code (different project ). , cant smell weird. l led not blink when plug in , power light on .hope can help

were able upload sketches before this?

i remove , upload sketch.


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