Concurrent operation of Central and Peripheral mode

Thu, 2020-11-26 07:25 -- Thieny


I am using the DA14531MOD module on an IoT-device and want to connect to BT sensors with the module as master/central and "simultaneously" connect a smartphone to the module which can control the IoT device with the module as slave/peripheral. When the IoT device connects to the sensors to achieve their data, the user should not get a disconnect notification in the app on its smartphone. 

Is it possible to set up this configuration with CodeLess? And how can I do this?
How many connections at one time are possible with the DA14531MOD in central role?

Over The Air Programming on DA14531MOD-00F01002

Tue, 2020-07-14 15:21 -- rajesh kaliyaperumal


We are using smartbond tiny module (DA14531MOD-00F01002) in our application.

The thing is we have connected SWD pins from the module as shown in attachment, for debugging & development of software.

We had connected UART with flow control to our microcontroller as a host interface to module.

Since these pins are not accessible when assembled as a unit, How to proceed with Over The Air programming of the module (OTA) for first time ?

Also how to update the firmware for subsequent updates using OTA ?

Appreciate your help at the earliest !!

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