EZO ORP Circuit - Datasheet

UART mode
Data format
Vcc
RX
Data in
Data out
TX
3.3V – 5.5V
Baud
8 data bits
1 stop bit
no parity
no flow control
300
1,200
2,400
9,600
19,200
38,400
57,600
115,200
default
0V0V
VCC
CPU
TX RX
RX TX
TX RX
Green
UART standby
Cyan
Taking reading
Purple
Changing
baud rate
Red
Command
not understood
White
Find
Data type floating point
Decimal places 1
Smallest string 2 characters
Largest string 40 characters
Reading ORP
Units mV
Encoding ASCII
Format string
Terminator carriage return
17
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