Hi guys,
In the iot sdk in mqtt.h there are typdefs for "mqtt_topic_t " and "mqtt_subscription_list_t".
I'm trying to set several topics (5) and subscribe to them.
...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
Hi,
I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
Compiled with Keil4 software compilation and C of the mixed program, the error is:Branch offset 0x00000228 out of range of 16-bit Thumb branch, but offset encodable in 32...
Hi,
I am currently working on a prototype with Silicon Labs Thunderboard sense. I am looking for a replacement product that has NRF BLE module. All I need is a BLE module...
I would like to hide BLE advertising from normal BLE devices.
And only be able to see such advertising with dedicated scanner.
I was thinking of changing access address...
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
Hello,
I intended to implement an application without OS. Due to safety concerns I would like to have two call stacks : one for softdevice using MSP and the other for my...
After programming the Ble_app_uart to the nrf52832, I am sending a 100 Bytes of data from my UART Port to Nordic chip and this data is transferred over BLE to my Phone. I...
According to Table 19 in the nRF24L01+ datasheet, writing to any of the 32 command registers is "Executable in power down or standby modes only". This caveat is also repeated...
Basically I want to get a 8 byte long MIC when using the AES CCM encryption. From the product specification it does seem like I can only get a 4 byte MIC, is that correct...
Hello,
I try to flash my dev card nrf52 with the program ble_app_uart
Or a program ble by cons I can flasher by other program (pin change in), I do not know from where the...
I created an characteristic that has MAX_Length = 20 Bytes characteristic.
And When I'm trying to write less than 20bytes on this Characteristic, It Always send with 20Bytes...
Is it OK to send multiple packet continuously over nus at below way without waiting for packet transmit complete?
i=UserUart.RxBuf[1]+2;
index = 0;
while(i>0)
{...
Hi,
I'm using nrf51822 Ek kit and running ble_app_uart example,when i want to send any character or integer it Received like a string only,but i want to send only single...
Hi,
this question is more about iOS than nRF, but there's probably here some experience around this subject.
First the context : We have a product based on nRF51, S110...
I compile a .bin file for DFU. The bin file is 62020 bytes. I create the zip file for DFU, it is 62909 bytes.
If I extract the zip file, I get the bin file (62020 bytes...
We are currently designing a prototype board for our product using the nRF52832. We need to calculate the transmission line with on a 4 layer PCB. The stack-up looks like...
I am trying to use your swift iOSDFULibrary cocoapod. What I am doing is the following. I have a library written in swift. That library is where I have your iOSDFULibrary...
As Bootloader IROM starting address 0x78000 and size 0x6000 is same in SDK 13.0 and 12.2.0 expecting to update Device firmware (BL+SD+APP) from 12.2.0 to 13.0.0 SDK.But in...
I use SDK9 nRF51.
I use white list. When I want to delete all bounded devices, I call this function. But it doesn't work. It not deleted.
Why I can't to delete bounded devices...
