14 questions
0
votes
1
answer
176
views
React Native - How to enable/disable NFC programmatically on Android POS device (Sunmi V2)
I'm developing a React Native app for Sunmi V2 POS devices and need to programmatically enable/disable NFC. Using react-native-nfc-manager, I can check the NFC status and redirect to settings, but I ...
0
votes
1
answer
163
views
Receiving Push Notifications on Sunmi Devices (No Google Services) - Flutter
I'm developing a Flutter app for Sunmi devices. Due to limited/no Google Play Services, FCM isn't reliable.
What are the recommended and reliable ways to implement push notifications in Flutter on ...
0
votes
0
answers
98
views
Sunmi L2s locate specific RFID tag
I have a question about searching by rfid using a Sunmi device. I calculate the distance from the tag based on the returned rssi, holding the rfid trigger I constantly get feedback about all tags in ...
1
vote
1
answer
400
views
Turn on/off flash on Sunmi L2s PRO
I need a way to turn off the flash of the Sunmi L2s PRO.
By "flash", I mean the light at the top of the device, next to the laser barcode scanner
(I do not mean the torch at the back of the ...
0
votes
0
answers
684
views
How to communicate between Android, IOS device and SUNMI v2s printer throw NFC using Flutter?
i'm trying to write a flutter code that can be installed on sumni v2s printer, the basic idea is i want to make this android device (SUNMI v2s) read the NFC data from android or apple phone and ...
0
votes
0
answers
2k
views
Is sunmi v2 handheld POS support printing from chrome browser?
I want to print a receipt through the chrome browser. I made a money receipt using raw html,css and javascript. I send print request through javascript print() function. But I cannot able to print ...
-1
votes
1
answer
902
views
sunmi v2 pro flutter binding from other device
i looking for guide (documentation) for sunmi to binding/connect from other device ( android ) to my sunmi v2 pro to get a print ( bluetooth or wireless ).
in this case i dont know sunmi v2 pro is ...
0
votes
0
answers
529
views
Escpos commands: feed paper in reverse direction with printer SUNMI V2S PLUS
I have two machines: 1- SUNMI V2S ,2-SUNMI V2S PLUS.
And i use escpos command 'ESC K d' in printer sunmi v2s to make paper feed in reverse direction so make paper return back for adjusting,and in ...
1
vote
2
answers
1k
views
web bluetooth - `getPrimaryService` call gets stuck
I'm trying to print from a device from a PWA - the device is https://www.sunmi.com/en/v2-pro/ - I can connect to the device, but when I try to get the service, the promise gets stuck i.e. neither the &...
0
votes
0
answers
275
views
Sunmi v2 does not print special characters
Every time I print and in the print there is a special character type è ì the print stops and they exit -------
2
votes
0
answers
1k
views
On a Sunmi K2 Terminal how can I print (on the build-in printer) something using WinDev Mobile?
I'm using a Sunmi K2 POS Checkout Terminal running with Android 7.1.2
I'm developing a POS software with WinDev for Mobile 26, I'm already displaying some windows, now the question is, how can I print ...
0
votes
2
answers
1k
views
Sunmi T2 - Flutter
I am using the sunmi_printer_t1mini for my sunmi T2 printer to print tokens, the printing seems to be going fine, but the token paper in not being cut, I checked if there is any function for cutting ...
1
vote
0
answers
1k
views
Sunmi L2 with Xamarin.Forms
I have an application in Xamarin.Forms and would like to use a built-in scanner in Sunmi L2 device to scan barcodes. Currently, I use a camera for scanning barcodes using Zxing, but I need to use the ...
0
votes
1
answer
2k
views
How to decrease font and Remove underline from ESC/POS machine from Android?
I am sending ESC command to POS machine from Android via Bluetooth connection , but on the machine side font is Very large and Underline text is printed .
Machine have 58mm paper width .
Code:
...