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...
I'm using s120 v2.1, with SDK 9, on an nRF51 with 256K ROM and 16K RAM. With s120 I only have 6K of usable RAM for my application. I am running critically low on RAM, and...
I am using a nRF51 dongle as a BLE tranciever and using UART to communicate with an 8bit AVR. I used BLE_APP_UART peripheral example and mostly just changed the pins used...
Hi,
I am trying to update the battery level of my Battery Service but get keep getting an error. The error code is : 0x00003002. I cannot find any mention of what this...
I am trying to start programming in nrf51822 module with the waveshare kit. but the kit always shows the error as switch to boot-loader mode . how to solve this problem?
i am using nrf51822 wavshare kit with ulink2 debugger.
when ever i try to program the kit using keil the error pops like "overlapping of address in 00014000H".
then...
Hi,
I am using nrf51822 and SDK 8.0.0 , SD2.1.0 as an central and SD8.0.0 as peripheral. I am following ble_app_multilink_central and ble_app_multilink_peripheral example...
Hello,
We have a custom board using nrf51822.
In keil the board is detecting at 20khz clock for SW port in the debug window, we are able to program through keil.
...
This fork of the MBED CMSIS-DAP firmware seems to be the latest updated one. The title says, 'Interface firmware providing USB CMSIS-DAP for debugging, USB MSD for programming...
Hello,
I try to change a value by using sd_ble_gatts_value_set(...). If there is a connection, this works fine. But now I have to change the value also, if there is no...
Hi again.
I'm using nRF52 DK board in Ubuntu. I can flash the device with the blinky example (I haven't yet tried the softdevice tough), but I cannot really get any traces...
20160316_113235.jpg Hi guys,
i have 20 nodes and a central in my network, that are very close to each other except central device ( All of nodes are in a approximately...
Hi,
I'm wondering why are there scan parameters on creating connection? If I refer to SD130, create connection function , there is a note which tells us that if scan is...
I have 2 existing products, one using the nRF24LE1 and the other having a 2.4GHz ANT radio. Is there a way to have the 2 products communicate wirelessly? If it is possible...
Hi.
Quest to get the toolchain working under ubuntu continues.
I've done the eclipse and jlink config as explained in the nrf51 linux tutorial (with of course keeping...
