Tengo una aplicación desarrollada en B4A de un sistema de autoventa con impresión de albaranes que funcionaba desde hace años, pero a raíz de instalar la versión 9.8 me ha dejado de imprimir vía bluetooth en ciertos dispositivos antiguos, en otros sigue imprimiendo bien, y en otros...
I"m in the middle of project using android tablet to control a microchip, that in his turn control a machine.
just sending serial command like- "openWaterPump", "closeWaterPump" ans so on.
I did all my checking using ardoino, and it worked great. now we move to production level and we...
Hello everyone, i have written an app which searches for a certain device UID, I have a B4A app running on a device which is running Android 8.0 which basically just listens when the B4J app tries to connect, I followed @Erel 's tutorial here, My question is this, everything seems to work only...
Since some months our app aborts printing via bluetooth on a DPP-250 printer in the middle of the text.
I wrote a minimal app to test this (see attached zip). The jpg shows some tests: The first works, the next two abort, the next works, the last aborts.
I'm using B4A 8.50 with Serial 1.26...
How can I send AT command to AT-09 (HM-10 clone) BLE module ?
The Arduino code is :
SoftwareSerial mySerial(2, 3);
Hi everyone , i have a a program that connect with a scales weight, i have no problem doing the conexion, the problem is when the scale is off, but conected , the serial recognize the port but when i try to connect with it and send the comand to obtain the weight i have to posible respons: