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...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Occasionally, when trying to program a softdevice in nrfgo studio, it can't find the softdevice hex file. It was there during the last several programming sessions, but now...
I would like to achieve in the room inside a number of devices to achieve one-to-one binding 8K / S unidirectional transmission of data, is not the use of proprietary_rf inside...
Hi,
I have set up a two NRF51DKs one in a central and one in a peripheral role. Using MCP and nRFConnect I have confirmed that I can send read requests to my peripheral...
Hi,
the documentation page of Gazell warns that it is outdated.
Warning: This is old documentation, and should only be used for historic reference. Please go here...
Hello,
can you help me with choosing the right software components for nRF51 and nRF52 ?
nRF51 on the left hand side works on the battery and turns on when the button...
hi,
I am working on nrf52 sdk11 and s132,
when I am using ble_app_uart example on my custom board I used nrf_delay_ms(10000) i.e 10 seconds when i observe current consumption...
When i use sd_ble_gatts_hvx() send package,i can use the usb dongle get the data package,as it show i can get the information such as, LLID, MESN, SN,MD,PDU-Length show in...
Hello,
I am trying to scan a local name for beacon device on nrf51822 SDK12.0.0 ble_app_multilink_central. The original peripheral sample was working as well. But the beacon...
I am using SDK 12.0.0 and Nrf51 ship.I was trying to compile micro-ecc library in eclipse using make file.I have cloned the micro ecc library from this link .I am using the...
Hi,
I want to eraze the flash page of nrf52832.
Since the default flash page size is 4096 bytes, it takes 90ms to eraze the page.
I want to shorten the time for erazing...
Hi!
I have to do an application is talk via bluetooth. I think i use codec IC to sample the voice then send data via bluetooth. In the receiver device , I use other codec...
I am attempting to write to multiple CCCD handles in a service as a central with no luck. I need to write to one CCCD handle to enable notifications and another handle (BLE_UUID_UPDATE_CHARACTERISTIC...
I am planning to start a project using nRF52832 but do not want to buy IAR or Keil as they are expensive, if I use GCC Compiler with SDK then is it possible to debug the code...
Hi, beginner here..
Frequency hopping used for advertising bluetooth beacons uses which 3 frequencies? Is it possible to choose those frequencies using the software...
