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...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hello Everyone,
I am designing the prototype using NRF51822 and i have choosen the DC DC power mode but the real problem is most of the time my radio will be sleeping so...
I have nRF52 Development Kit (PCA10040). I'm using Keil uVision.
I want to measure RSSI of some beacons and if the signal is strong then send MAC of this beacon over UART...
Hello Everyone
I'm trying to debug ble_app_beacon project, having the following error when trying to launch the debug session:
Error in final launch sequence Error executing...
Dear Sir:
I have a (BLE + 2.4GHz)Mouse project, But now I had some problmes. Please help deal,
Thank you so much Sir.
a). My program modification base on "nrfready_desktop_2_v3...
Hello all,
Just to note any versions that need saying, I am using
SD 110, V8
The 10.0 SDK, freshly unzipped
The dual bank BLE bootloader, unmodified
Arm...
I was looking at this PA/LNA example: here . I noticed something I'm not sure about, so I was hoping someone could shed some light on this.
In the diagram shown in the...
I've been working on a project, which requires data transmitted through ble to cell phone app. The user could acquire the data from the sensor when he sends a specific string...
Hi
We use the NRF51 in a mesh sensor network. We noticed in a trailer suited for cold chain transport (double metal walls with thermal isolation between) that the radio...
Hi,
I have problem with ble_nus_c.c in SDK v11...
Normal operation is:
Connecting to target 57E19A190FDF
Connected to target
[DB]: Starting discovery of service...
When I used the demo of ble_app_hrs_rscs_relay,I cannot write the bonding information to the flash.
I connect to the board by my phone.I cannot find the information about...
what I am basically trying to do is only allow a single bond and any new bonds disallowed until the user selects and option to allow a new bond and then and only then delete...
If I have 10 slaves and one master in a bluetooth low energy network, and the connection interval for all 10 slaves are set to 7.5ms, how would the master manage this?
...
I intend to use RC oscillator instead of external crystal oscillator .
I modified code :
from
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);
to
SOFTDEVICE_HANDLER_INIT...
Hi,
I want to identify different kinds of center in a device product. So I have 2 questiones:
1) Can a center (running S120) set its own name?
2) Can a device (running...
HI,ALL
There are such statement in the CORE SPEC 4.2
"
If the Link Layer connection supervision timer reaches 6 * connInterval before
the connection is established...
