<![CDATA[Send AT Command va UIFlow]]>Hi

How can I send the following AT Command with UIFlow.

Serial2.begin(9600, SERIAL_8N1, 16, 17);
Serial2.flush();
Serial2.println("AT+RESET");

Do I have to use the Uart mod?

Thanks.

]]>https://community.m5stack.com/topic/788/send-at-command-va-uiflowRSS for NodeMon, 16 Mar 2026 14:50:10 GMTFri, 22 Mar 2019 07:07:48 GMT60<![CDATA[Reply to Send AT Command va UIFlow on Fri, 05 Feb 2021 14:00:34 GMT]]>@world101

Uhh, sorry. Here the english version...

0_1612533576762_Bildschirmfoto 2021-02-05 um 14.59.10.png

]]>https://community.m5stack.com/post/12315https://community.m5stack.com/post/12315Fri, 05 Feb 2021 14:00:34 GMT<![CDATA[Reply to Send AT Command va UIFlow on Wed, 03 Feb 2021 19:34:03 GMT]]>I wish the blocks were in English so I don’t have to Google Translate it all 🤣🤣🤣.
Kidding though. I can tell by the block colors what’s going on. Nice job fixing it!

]]>https://community.m5stack.com/post/12279https://community.m5stack.com/post/12279Wed, 03 Feb 2021 19:34:03 GMT<![CDATA[Reply to Send AT Command va UIFlow on Wed, 03 Feb 2021 13:45:05 GMT]]>Hello @TheAlphaGhost

nice, congratulations and thanks for sharing. Thanks to you I've learned something new today.

Happy Stacking!
Felix

]]>https://community.m5stack.com/post/12272https://community.m5stack.com/post/12272Wed, 03 Feb 2021 13:45:05 GMT<![CDATA[Reply to Send AT Command va UIFlow on Wed, 03 Feb 2021 12:19:10 GMT]]>Hallo Felix,

now it's work, with byte array...

0_1612354729899_Bildschirmfoto 2021-02-03 um 13.17.36.png

]]>https://community.m5stack.com/post/12271https://community.m5stack.com/post/12271Wed, 03 Feb 2021 12:19:10 GMT<![CDATA[Reply to Send AT Command va UIFlow on Wed, 03 Feb 2021 11:25:13 GMT]]>Hi Felix,

no problem. Will try to find the error...

Thanks for your help!!

]]>https://community.m5stack.com/post/12270https://community.m5stack.com/post/12270Wed, 03 Feb 2021 11:25:13 GMT<![CDATA[Reply to Send AT Command va UIFlow on Wed, 03 Feb 2021 11:09:24 GMT]]>Hello @TheAlphaGhost

I think the problem is now with uart1.write(ServoID). Eg. sending values from a variable. When I try this, the receiving end gets a string instead of the hex value.

Unfortunately I am not a Python expert - I tried a few things but nothing seems to work. Sorry about that.

Thanks
Felix

]]>https://community.m5stack.com/post/12269https://community.m5stack.com/post/12269Wed, 03 Feb 2021 11:09:24 GMT<![CDATA[Reply to Send AT Command va UIFlow on Wed, 03 Feb 2021 07:40:18 GMT]]>Mhh, still not work. Don't know what's wrong...

0_1612337721890_Bildschirmfoto 2021-02-03 um 08.33.36.png

0_1612337746651_Bildschirmfoto 2021-02-03 um 08.33.46.png

]]>https://community.m5stack.com/post/12260https://community.m5stack.com/post/12260Wed, 03 Feb 2021 07:40:18 GMT<![CDATA[Reply to Send AT Command va UIFlow on Wed, 03 Feb 2021 07:10:10 GMT]]>Hi Felix,

Vielen dank für Deine Unterstützung ! Sprichst du deutsch ?

Thanks for your help. I will try both options, and will send a feedback here.

]]>https://community.m5stack.com/post/12259https://community.m5stack.com/post/12259Wed, 03 Feb 2021 07:10:10 GMT<![CDATA[Reply to Send AT Command va UIFlow on Tue, 02 Feb 2021 22:42:36 GMT]]>Hello @TheAlphaGhost

the block you are using actually writes a string "0xFA" but you want the raw hex value.

I see two options:

  • convert the hex values into decimal values, then use a UART - write raw data block or
  • try an Advanced - Execute code block with: uart1.write(b'\xFA')

Note: untested as I don't have the required hardware.

Good luck!
Felix

]]>https://community.m5stack.com/post/12255https://community.m5stack.com/post/12255Tue, 02 Feb 2021 22:42:36 GMT<![CDATA[Reply to Send AT Command va UIFlow on Tue, 02 Feb 2021 20:57:22 GMT]]>Hello,

i have a M5Core device.

Yes, i switch from TX23 -> to TX17, and RX19 -> to 16. Thanks for this tip.

But, now i have a last question, see screenshot below.
I Arduino i write with Serial2.write(...) the Hex. How can i do this in the UIFLOW ?!

Please see screenshots...

0_1612299397255_Bildschirmfoto 2021-02-02 um 21.56.29.png

0_1612299311469_Bildschirmfoto 2021-02-02 um 21.49.45.png

0_1612299324520_Bildschirmfoto 2021-02-02 um 21.53.36.png

Hope you can help me, with my last question...

]]>https://community.m5stack.com/post/12254https://community.m5stack.com/post/12254Tue, 02 Feb 2021 20:57:22 GMT<![CDATA[Reply to Send AT Command va UIFlow on Tue, 02 Feb 2021 20:25:06 GMT]]>Hello @TheAlphaGhost

from your post it is not clear which device you are using? M5Stack (Fire, Gray, Basic), M5Core2, M5StickC (Plus), M5Atom, M5CoreInk, M5Paper? They all already use some GPIOs internally so there is a chance your choice (TX 23 / RX 19) creates some overlaps.

For instance on M5Stack and M5Core2 GPIO23 is used for SPI MOSI already or M5StickC Plus has GPIO23 already in use for LCD_DC. So the reason 'BB' stays on your screen most likely is due to GPIO23 being repurposed for UART and by doing so cutting off the LCD.

Thanks
Felix

]]>https://community.m5stack.com/post/12253https://community.m5stack.com/post/12253Tue, 02 Feb 2021 20:25:06 GMT<![CDATA[Reply to Send AT Command va UIFlow on Tue, 02 Feb 2021 20:17:40 GMT]]>@TheAlphaGhost which device are you using? At least one of those pins 23 and 19 that you are using is connected to an internal for most of the devices.

]]>https://community.m5stack.com/post/12252https://community.m5stack.com/post/12252Tue, 02 Feb 2021 20:17:40 GMT<![CDATA[Reply to Send AT Command va UIFlow on Tue, 02 Feb 2021 19:59:39 GMT]]>Thats not work. The code hang on the line set UART...

0_1612295953188_Bildschirmfoto 2021-02-02 um 20.58.11.png

Whats wrong ??

]]>https://community.m5stack.com/post/12251https://community.m5stack.com/post/12251Tue, 02 Feb 2021 19:59:39 GMT<![CDATA[Reply to Send AT Command va UIFlow on Fri, 22 Mar 2019 10:38:22 GMT]]>@watson Thanks for the reply

so I don't have to Street about the setup
Serial2.begin(9600, SERIAL_8N1, 16, 17);

Just use Uart and send command, Thanks with play around with it.

]]>https://community.m5stack.com/post/3397https://community.m5stack.com/post/3397Fri, 22 Mar 2019 10:38:22 GMT<![CDATA[Reply to Send AT Command va UIFlow on Fri, 22 Mar 2019 07:11:28 GMT]]>@qlion Explore it

0_1553238676689_微信截图_20190322151106.png

]]>https://community.m5stack.com/post/3388https://community.m5stack.com/post/3388Fri, 22 Mar 2019 07:11:28 GMT