How to chose softserial library use on Arduino project?Using Arduino Nano as USB HostMultiple SoftwareSerial...
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How to chose softserial library use on Arduino project?
Using Arduino Nano as USB HostMultiple SoftwareSerial ports - how to handle the limitationsControlling HDMI Switch via RS232/UARTArduino OBD library and software serial libraryWhat's the difference between all the Software Serial Libraries? Which one is Arduino Nano compatible?Using SoftwareSerial library with EnableInterruptis using two UARTs wiser compared to I2C and UART with Arduino + Xbee + BNO055 Sensorusing UART bridge module to have serial communication through usb port of arduino nanoUnable to receive data when using multiple SoftSerial on Arduino NanoSeveral Software Serial Ports
I want to do a project that has multiple Arduino communication through UART, that project project one of limit is using Arduino Nano (small and cheap). I need to set 4 serial port instance on Nano to connect other nano to receive and write, I searched about serial port of nano that only have one hardware serial port, so after I found the many softserial library such as pre-bulite softserial and altsoftserial NeoSWSerial and NeoHWSerial and NeoICSerial.
Because library too libraries i don't know which one can help complete my project.
arduino-nano softwareserial uart
edited 14 hours ago
Michel Keijzers
6,72941938
asked 18 hours ago
HaseoHaseo
61
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I want to do a project that has multiple Arduino communication through UART, that project project one of limit is using Arduino Nano (small and cheap). I need to set 4 serial port instance on Nano to connect other nano to receive and write, I searched about serial port of nano that only have one hardware serial port, so after I found the many softserial library such as pre-bulite softserial and altsoftserial NeoSWSerial and NeoHWSerial and NeoICSerial.
Because library too libraries i don't know which one can help complete my project.
arduino-nano softwareserial uart
edited 14 hours ago
Michel Keijzers
6,72941938
asked 18 hours ago
HaseoHaseo
61
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
what's wrong with the arduino softwareserial library? in what way does it not work for you?
– Jaromanda X
18 hours ago
Is using UART a hard requirement? If not, consider using an I2C connection which uses a single connection and addresses to communicate with many devices.
– Nefrin
11 hours ago
add a comment |
I want to do a project that has multiple Arduino communication through UART, that project project one of limit is using Arduino Nano (small and cheap). I need to set 4 serial port instance on Nano to connect other nano to receive and write, I searched about serial port of nano that only have one hardware serial port, so after I found the many softserial library such as pre-bulite softserial and altsoftserial NeoSWSerial and NeoHWSerial and NeoICSerial.
Because library too libraries i don't know which one can help complete my project.
arduino-nano softwareserial uart
edited 14 hours ago
Michel Keijzers
6,72941938
asked 18 hours ago
HaseoHaseo
61
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I want to do a project that has multiple Arduino communication through UART, that project project one of limit is using Arduino Nano (small and cheap). I need to set 4 serial port instance on Nano to connect other nano to receive and write, I searched about serial port of nano that only have one hardware serial port, so after I found the many softserial library such as pre-bulite softserial and altsoftserial NeoSWSerial and NeoHWSerial and NeoICSerial.
Because library too libraries i don't know which one can help complete my project.
arduino-nano softwareserial uart
arduino-nano softwareserial uart
edited 14 hours ago
Michel Keijzers
6,72941938
asked 18 hours ago
HaseoHaseo
61
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 14 hours ago
Michel Keijzers
6,72941938
asked 18 hours ago
HaseoHaseo
61
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 14 hours ago
Michel Keijzers
6,72941938
edited 14 hours ago
Michel Keijzers
6,72941938
edited 14 hours ago
Michel Keijzers
6,72941938
6,72941938
asked 18 hours ago
HaseoHaseo
61
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 18 hours ago
HaseoHaseo
61
asked 18 hours ago
HaseoHaseo
61
61
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Haseo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
what's wrong with the arduino softwareserial library? in what way does it not work for you?
– Jaromanda X
18 hours ago
Is using UART a hard requirement? If not, consider using an I2C connection which uses a single connection and addresses to communicate with many devices.
– Nefrin
11 hours ago
add a comment |
what's wrong with the arduino softwareserial library? in what way does it not work for you?
– Jaromanda X
18 hours ago
Is using UART a hard requirement? If not, consider using an I2C connection which uses a single connection and addresses to communicate with many devices.
– Nefrin
11 hours ago
what's wrong with the arduino softwareserial library? in what way does it not work for you?
– Jaromanda X
18 hours ago
what's wrong with the arduino softwareserial library? in what way does it not work for you?
– Jaromanda X
18 hours ago
Is using UART a hard requirement? If not, consider using an I2C connection which uses a single connection and addresses to communicate with many devices.
– Nefrin
11 hours ago
Is using UART a hard requirement? If not, consider using an I2C connection which uses a single connection and addresses to communicate with many devices.
– Nefrin
11 hours ago
add a comment |
1 Answer
1
active
oldest
votes
I think your problem is that you need 4 serial ports.
With software serial that's just not going to happen:
- SoftwareSerial can only receive on one serial port at any given time.
- AltSoftSerial is limited to specific pins, and only one instance because there is only one set of pins
- NeoSWSerial is kind of between the two. More efficient than SoftwareSerial, but still (as far as I can tell) limited to one instance (it uses a timer interrupt to drive the communication, so can use any pins)
If you need communication between lots of devices over serial then you will either need devices with more hardware serial ports (Arduino Mega, for example), or implement a multi-drop bus system (like RS-485) which only needs one serial port to communicate with many devices. Extra external hardware is required though.
answered 17 hours ago
Majenko♦Majenko
68.3k43277
Good answer. Another hardware option is a SPI to UART expander.
– caligari
15 hours ago
add a comment |
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I think your problem is that you need 4 serial ports.
With software serial that's just not going to happen:
- SoftwareSerial can only receive on one serial port at any given time.
- AltSoftSerial is limited to specific pins, and only one instance because there is only one set of pins
- NeoSWSerial is kind of between the two. More efficient than SoftwareSerial, but still (as far as I can tell) limited to one instance (it uses a timer interrupt to drive the communication, so can use any pins)
If you need communication between lots of devices over serial then you will either need devices with more hardware serial ports (Arduino Mega, for example), or implement a multi-drop bus system (like RS-485) which only needs one serial port to communicate with many devices. Extra external hardware is required though.
answered 17 hours ago
Majenko♦Majenko
68.3k43277
Good answer. Another hardware option is a SPI to UART expander.
– caligari
15 hours ago
add a comment |
I think your problem is that you need 4 serial ports.
With software serial that's just not going to happen:
- SoftwareSerial can only receive on one serial port at any given time.
- AltSoftSerial is limited to specific pins, and only one instance because there is only one set of pins
- NeoSWSerial is kind of between the two. More efficient than SoftwareSerial, but still (as far as I can tell) limited to one instance (it uses a timer interrupt to drive the communication, so can use any pins)
If you need communication between lots of devices over serial then you will either need devices with more hardware serial ports (Arduino Mega, for example), or implement a multi-drop bus system (like RS-485) which only needs one serial port to communicate with many devices. Extra external hardware is required though.
answered 17 hours ago
Majenko♦Majenko
68.3k43277
Good answer. Another hardware option is a SPI to UART expander.
– caligari
15 hours ago
add a comment |
I think your problem is that you need 4 serial ports.
With software serial that's just not going to happen:
- SoftwareSerial can only receive on one serial port at any given time.
- AltSoftSerial is limited to specific pins, and only one instance because there is only one set of pins
- NeoSWSerial is kind of between the two. More efficient than SoftwareSerial, but still (as far as I can tell) limited to one instance (it uses a timer interrupt to drive the communication, so can use any pins)
If you need communication between lots of devices over serial then you will either need devices with more hardware serial ports (Arduino Mega, for example), or implement a multi-drop bus system (like RS-485) which only needs one serial port to communicate with many devices. Extra external hardware is required though.
answered 17 hours ago
Majenko♦Majenko
68.3k43277
I think your problem is that you need 4 serial ports.
With software serial that's just not going to happen:
- SoftwareSerial can only receive on one serial port at any given time.
- AltSoftSerial is limited to specific pins, and only one instance because there is only one set of pins
- NeoSWSerial is kind of between the two. More efficient than SoftwareSerial, but still (as far as I can tell) limited to one instance (it uses a timer interrupt to drive the communication, so can use any pins)
If you need communication between lots of devices over serial then you will either need devices with more hardware serial ports (Arduino Mega, for example), or implement a multi-drop bus system (like RS-485) which only needs one serial port to communicate with many devices. Extra external hardware is required though.
answered 17 hours ago
Majenko♦Majenko
68.3k43277
answered 17 hours ago
Majenko♦Majenko
68.3k43277
answered 17 hours ago
Majenko♦Majenko
68.3k43277
answered 17 hours ago
Majenko♦Majenko
68.3k43277
68.3k43277
Good answer. Another hardware option is a SPI to UART expander.
– caligari
15 hours ago
add a comment |
Good answer. Another hardware option is a SPI to UART expander.
– caligari
15 hours ago
Good answer. Another hardware option is a SPI to UART expander.
– caligari
15 hours ago
Good answer. Another hardware option is a SPI to UART expander.
– caligari
15 hours ago
add a comment |
Haseo is a new contributor. Be nice, and check out our Code of Conduct.
Haseo is a new contributor. Be nice, and check out our Code of Conduct.
Haseo is a new contributor. Be nice, and check out our Code of Conduct.
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what's wrong with the arduino softwareserial library? in what way does it not work for you?
– Jaromanda X
18 hours ago
Is using UART a hard requirement? If not, consider using an I2C connection which uses a single connection and addresses to communicate with many devices.
– Nefrin
11 hours ago