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Circuit photos are added (with RS232-TTL converter and USB-TTL Converter)
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I want to learn how to send ASCII code from Raspberry Pi 3 to a serial device. Communication protocol of Serial device via RS232 (TX, RX pins). I was trying to connect from kermit as follows but I failed;

set line /dev/ttyS0
set carrier-watch off
set speed 9600
set flow none
set parity none set stop-bits 1
connect  
The circuit with RS232-TTL Converter enter image description here

The circuit with USB-TTL Profilic converter enter image description here

I want to learn how to send ASCII code from Raspberry Pi 3 to a serial device. Communication protocol of Serial device via RS232 (TX, RX pins). I was trying to connect from kermit as follows but I failed;

set line /dev/ttyS0
set carrier-watch off
set speed 9600
set flow none
set parity none set stop-bits 1
connect  enter image description here

I want to learn how to send ASCII code from Raspberry Pi 3 to a serial device. Communication protocol of Serial device via RS232 (TX, RX pins). I was trying to connect from kermit as follows but I failed;

set line /dev/ttyS0
set carrier-watch off
set speed 9600
set flow none
set parity none set stop-bits 1
connect
The circuit with RS232-TTL Converter enter image description here

The circuit with USB-TTL Profilic converter enter image description here

added 89 characters in body
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I want to learn how to send ASCII code from Raspberry Pi 3 to a serial device. Communication protocol of Serial device via RS232 (TX, RX pins). I was trying to connect from kermit as follows but I failed;

set line /dev/ttyS0
set carrier-watch off
set speed 9600
set flow none
set parity none set stop-bits 1
connect enter image description here

I want to learn how to send ASCII code from Raspberry Pi 3 to a serial device. Communication protocol of Serial device via RS232 (TX, RX pins). I was trying to connect from kermit as follows but I failed;

set line /dev/ttyS0
set carrier-watch off
set speed 9600
set flow none
set parity none set stop-bits 1
connect

I want to learn how to send ASCII code from Raspberry Pi 3 to a serial device. Communication protocol of Serial device via RS232 (TX, RX pins). I was trying to connect from kermit as follows but I failed;

set line /dev/ttyS0
set carrier-watch off
set speed 9600
set flow none
set parity none set stop-bits 1
connect enter image description here

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How can I send ASCII codes from raspberry Pi 3 to a serial device (printer, motor controller etc.) by using RS232 (9 pin-COM Port)?

I want to learn how to send ASCII code from Raspberry Pi 3 to a serial device. Communication protocol of Serial device via RS232 (TX, RX pins). I was trying to connect from kermit as follows but I failed;

set line /dev/ttyS0
set carrier-watch off
set speed 9600
set flow none
set parity none set stop-bits 1
connect