I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hello:
Why do I erase SDK5.2 version of flash and read not, in SDK4.2 can. I tested nrf51_sdk_v5_2_0_39364\nrf51822\Board\nrf6310\flashwrite_example is a good example.However...
before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
I'm looking for a way to use the nordic uart service ( devzone.nordicsemi.com/.../ble_sdk_app_nus_eval.html) from Linux using the native Linux BLE Stack (BlueZ). My application...
Hi,
I've created an application using the S110 experimental ANCS demo. I successfully implemented ANCS and then began to structure my application around it. At some point...
Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hi
I'm using nrf51422 to send periodically a frame through ble_nus service to the Nordic nRF UART app. One of the frame data is the message count number, that is reset...
Hi,
I would like to install Master Control Panel on my PC.
Where can i find the installer for a windows desktop machine?
Also is there a user guide available for...
Hello,
I am currently working on a project that is using the nRF51422 chipset (Rev 2 silicon) and the S310 SoftDevice Version 1.0.0 and I am having some problems with the...
Hi all,
I have an PCA10001 board and a custom PCB which also uses the QFAA version (256KB flash, 16KB RAM). I'm trying to enable OTA feature for our custom board. I use the...
Hi,
i am having trouble to understand and use flash to store data. First of all as far as i understand ble_flash is obsolete and replaced by the pstorage module, correct...
Hello,
I was reading about RF design and some articles say that if the transmission line is short enough, you may not consider impedance-control as the effect is not visible...
Hi all,
For my project I power the nRF51 DK from a supercap using an external LDO(3.3V) connected to VDD. This way I can keep the board powered using the supercap. I also...
Hi
I'm using PCA10028. it has nrf51422 with softdevice s110. For getting printf in console I'm using 'app_uart.c with FIFO' and 'retarget.c'. When i try to print something...
I'm developing a project base on ble_app_uart now.
But I find out that the current value of ble_app_uart is > 1mA.
I want to reduce the average value to about 10uA when...
Hey,
I have a requirement to launch google play store/ installed app in an Android/ IOS mobile upon pairing of the nrf51822 with a mobile.
So can anyone help me out...
Hi,
i'm testing softdevice s130 central/peripheral example. I modefied the uuid of device to which my nrf58122 should connect, but i get error 0x05 (Device not found) everytime...