after flash DFU program into pca10001 board, com3 is not accessible,
www.dropbox.com/.../Screenshot 2014-04-26 15.41.47.png
even after I erase all, and re upload soft...
Using S120 V 8.0.0.3 alpha, processing a BLE_GATTC_EVT_READ_RSP,
received 0x16 bytes of data but there is more to read. Next call to
sd_ble_gattc_read using the same connection...
Hello：
Why Bluetooth Go to system-off mode, sd_power_ramon_set can not be stored. In D: \ RAM save nrf51_sdk_v5_2_0_39364 \ nrf51822 \ Board \ nrf6310 \ s110 \ ble_app_rscs...
Hi,
Recently I want to set up a dynamic network that with the node change this position ,the network will change dynamically.But there is the question,with the node's position...
Dir Sir. I am checking the current profile of nRF24AP2 in RX mode.
After "open channel" command, I found the peak current at 10ms interval until connection pass.
How does...
Hello,
I am using Nordic's UART service to communicate with my project. I use iOS and also Master Control Panel (with a dongle) on a laptop.
I have two questions:
...
SWI*_IRQ is using by softdevice to send event to application, I want to know which priority does softdevice set for them?
Does sd_nvic_critical_region_enter() disable...
Hello,
We plan to switch between two sets of UART pins for factory testing. One set will talk to an IC in our design and the other to a USB port through FTDI. Since simultaneous...
Hello,
We'd like to connect 50 bluetooth 5 devices (nRF52840) to a Receiver (made of multiple centrals nRF52840) with a long range (PHY 250kbps, conn interval 50ms, no...
We are evaluating the nRF5 SDK 13.0 to upgrade our projects from v12.0 and it looks like it has a bug related to the FDS functionality.
I managed to reproduce it on the...
Hi friends,
I am doing a project in NRF24le1 using RF communication with multiple nodes with a host using star topology.
Could you suggest a Protocol that supports connecting...
Hi,
to what impedance shall the BT antenna be matched?
Copying from the datasheet:
A matching network is needed between the RF pin ANT and the antenna, to match the...
Requests for the FW:
Add characteristic to access general GPIO pins in analog and digital form.
extension of the existing MOS_1-4 access, PIN read/write under the...
Hi,
We use nrf51 SDK v9. I found there are two SER_MAX_CONNECTIONS defined both in app_ble_gap_sec_keys.h and ser_config.h. Their values are different. One is referred...
Hello,
I have a problem when I try to use cheaper Android phones to communicate with our 52832 chip.
I can discover the peripheral and then connect, but when I device...
Hi,
I flashed softdevice and ble_app_UART_c code. But after searching bt device, i could not find bt nrf52 device in mobile.
Do i need to something more..
hi,
i am using nrf52840. with sdk 14.1. i am trying to broadcast my dk as beacon. with your neccessary examples. i have created my own services and started advertising. when...
I want to transfer data using UART to BLE by Baud Rate 460800 up to(using nRF52832).
I need to send a file, its size is 100MBytes
However, the use of examples(14.0vesion...
I would like to establish a BLE unencrypted link to send text messages. I have nRF52480, nRF51 USB dongle, and a mobile phone. I run Ubuntu 14.04 and Win10. It is not clear...
Is it possible to program the Atmel SAM D20E chip (based on an ARM-M0 cortex processor) externally using the P19 debug out header on the nRF51-DK?
Thanks.
I am trying to understand the Passkey LESC pairing on S140 soft device using the latest SDK 14.0.2.
The message sequence charts has a block "App starts DHKey calculation...
Hi developer, sorry to interrupt and ask. How to use an ultrasonic sensor with nRF52? Since I search a code for nRF52 are not exist and see ultrasonic sensor can connect with...
