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...
Hello,
I'm trying to change advertisement packets, I found this link text
it says:
p_data Raw data to be placed in advertising packet. If NULL, no changes are made...
Hi, I'm trying to change ad packets in the blinky example. I want to be able to keep blinking but change the ad packs (don't know if this make sense, but main goal is to change...
I have created a build system that will install openmesh on simblee chips, and it appears to be mostly working. However, range is very poor, like max 2ft. I have tried adjusting...
Hi guys,
I am working with a central battery powered so, I am controlling the RF activity calling scan_start() or sd_ble_gap_scan_start() and disabling the RF activity...
Hello,
We are switching chips from the nrf51 to the nrf52832. I have a nrf52-DK board now. My Eclipse set up is still able to compile, run, and debug my nrf51 projects...
hi,
im a little lost with BLE at the moment. all i want to do is sending 3 bytes of data (sensor data) approximately 10 times (+- 5) a second (when the uC is not sleeping...
As a central, I am writing to a variable length characteristic, advertised by a service of my peripheral. In this case, I am sending 80 bytes of 0x01 as a test
uint8_t...
I used the ANCS program in sdk12.3.0, I have closed the white list function, I use the iphone connection and paired, then I ignore this device on the phone, and then I use...
Hi
I am using nrf51-dk board along with the S130. I am getting the following message when I debug my code. The central link count is set to 0 while peripheral link count...
Hello,
I didn't find much information about how different settings for the MTU size behaves with older versions of BLE devices. I'm using the softdevice s132 4.0.2.
...
When trying out the ble_app_hrs_freertos example in nRF5 SDK 11.0.0-2.alpha_bc3f6a0 , I seem to only get 14-character long device name announcements.
This happens when...
To @Hung Bui. Hello sir. I am new to NRF51 microcontrolers and I am trying to use Pstorage in my written code. I have noticed this post of your's:
I am using nrf51422...
