I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hi, In my custom project I need to add two 128-bit uuid services and also I need to use pstorage to protect the application data from power loss. But I got the problem is...
Hi,
While working on OTA DFU using my custom code compiled to work on PCA10028 board, I am seeing the following issue.
The OTA DFU works fine using Master Control Panel...
Hi,
I'm designing an antenna for the NRF52 but with some different conditions, the antenna will be under a silicone superstrate and this will change the impedance of the...
Hi..
Everyone,
i am using nrf52 with softdevice 132.
i used peer manager.
i am able to able to flash softdevice, bootloader and application.
but after that application...
Hi,
I've built a device using an IMUduino board, which is supposed to be similar to Arduino Leonardo board with a nRF8001 bluetooth. I was able to connect my device to...
Hi all ...
My product uses multiple BLE peripherals (Simblee by RF Digital) communicating with a common BLE central to time events detected via sensors on the different...
Hi,
The situation:
I was able to successfully receive known packets from a device running gzp_device_dynamic_pairing, from, the host running the gzp_host_dynamic_pairing...
So the nRF51822 has one 32 bit, two 16 bit timers and two Real Time Counters.
What is the difference in a timer and counter? The timer API seems to hard link RTC1...
Hi,
In my project I am using nrfutil.exe tool to create a .zip by using the following command
nrfutil.exe dfu genpkg j1.zip --application application_nrf51822_xxac.bin...
I'm running into a weird problem where there is a long delay that is variable between calling ble_conn_params_change_conn_params() and receiving the BLE_GAP_EVT_CONN_PARAM_UPDATE...
Hello,
I've got a problem with my nRF51 DK. When I attach it to the USB port the drive doesn't appear on Windows explorer and green diode doesn't flash too.
I've been...
By design, the TI LP55231 LED driver IC will fail the TWI write of the reset register (0x3D). It's necessary to reset the IC in an edge use case. I'm using the nRF51822 HW...
Hi,
I want to write a characteristic, the value size is fixed, for example the size is 4 bytes. When I try to wirte 6 bytes from the client, the first 4 bytes is writed succesfully...
