Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming.
Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....
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...
Hello,
I am doing some experiments with 2 pca10001 and the ble_hrs example (with s110, s120). As it works well, I would like to mofify this example to fit my needs. I only...
Someone has a working source code (can be Keil format) for the PCA10005 and/or nrf51822-AK (China made) board? I tried the sample at "\nrf6310\s110\ble_app_hrs" but it seems...
The BLE specification core 4.0 imposes certain limitations.
Min connection interval 7.5ms
Data payload on connection 27 bytes (the length field is 5 bits)
What...
Hi all,
I want to add 128bit base uuid for each of my three service,but there is a problem ,I add different base uuid for different service ,but I can only see one base...
Hello,
Please be gentle. This is my first time;) .
I am a retired computer/medical electronics/electromechanical device field engineer.
A friend got me interested...
in sdk 4.3, I used two different ways to know it is read first time(in factory)
NRF_ERROR_NOT_FOUND from ble_flash_page_read to indicated first time it reads
0xff...
I have 3 questions:
1. How to set device to non-discovery mode?
2. Once the device is in non-discovery mode, How can host connect to it?
3. Can I use Master Control Panel...
Hi sir
On your Beacon kit, we found it was used external 32.768KHz at 20ppm.
Question is on iBeacon usage, is a external higher precision 32.768K crystal necessary ? ...
Hello,
I'm working on an ultra low consumption purposes with which NRF51822 commnunique in BT4 with softdevice version 5.2.1.
I compile with GCC 4.7 2013q1. Unfortunately...
Hi
I've have customized a state machine and output patterns for the nrf8002 using the development kit. Now i have my own pcb design and I'm aiming to build a small prototype...
I installed master control panel and plug a PCA10000(usb dongle). The panel discovered the dongle.But once i press "start", an error hanppend:
"ascii" codec can't decode...
I have installed Keil MKD-Lite V 5.10.0.0 and the Segger software (which linked to the Keil IDE). I have tried to install the nRF51 SDK (5 times) and every time iI get the...
Hi there,
Im wondering if its possible to implement a proximity monitor with the new s120. Having one nrf51822 acting as a central and several (up to 8 I guess) nrf51822...
Hello,
at my current project I send a lot of data from one evalboard to another via proprietary Software.
Now I want to send that data via Bluetooth LE from one evalboard...
