I am using uno r3 then want to use two wires to connect to ultrasonic module instead of 4 wires
is there any advice?
Add wireless transmission for the signals, RF or IR.
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Hi @hitronics2016
See if using this product you can achieve your goal.
It can be used in parasite mode, which only uses 2 wires.
https://datasheets.maximintegrated.com/en/ds/DS2408.pdf
RV mineirin
I want just to use 2 wires to supply sr04 and trig & echo the length of 2 wire cables can be reach 50 meters
is there any way?
No.
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