I used modbus lib from mongoose. now I able to read the result from the sensor but when I print out the buffer result are like this
SlaveID: 0b, Function: 03 - Buffer: 0b 03 06 01 38 02 61 00 e3 ee 2e
How can I get result in DEC format. ?
At the same setup but run on Arduino+Modbus Master Lib it has function
node1.getResponseBuffer(0)
And the result are correct!