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 all,
I'm looking at the example projects and ble_app_template in particular, and have noticed something that doesn't seem to make sense...
In main(), this project...
Hi, I am looking for a Bluetooth Low Energy Soc based solution like nRF51822, but I'd like to have an open source firmware solution...
Do you have that kind of solution...
Hi
I want to execute my app from the RAM to test if i'll get a considerable decrease in the current consumption.
I'm using : "s130_nrf51822_0.9.0-1.alpha" &"nrf51822QFAC...
Hi
I'm trying to change TX power and measure the current consumption while advertising, (DC/DC disabled) and i get an increase of 3.44mA from 0dbm to 4 dbm. Ok That's logic...
I follow the instruction and I am able to connect to Xively MQTT service. But I am confusing how to connect to AWS IoT MQTT.
AWS claim it support IPV6 as well.
Is there...
Hi all:
Here is my develop environment and it always show the message "one or more breakpoints could not be set and have been disabled".
Is any item I missed.
OS:Ｗｉｎ１０...
The ble_app_gls example does not provide any handling code for BLE_GAP_EVT_TIMEOUT, BLE_GATTS_EVT_WRITE, nor BLE_GATTS_EVT_HVC. I'm trying to understand whether the lack of...
I just ran a few experiments on calling sd_ble_gatts_hvx() multiple times based on SDK v10's ble_app_uart example. I have configure the app so that it for each external event...
Hi, I am using NRF51 Dongle to receive transmitted data from the NRF52 DK. currently , I want to send multi packets per connection interval. my question is that does the dongle...
Hi,
I'm interested in making a beacon-style device with nRF52, an NFC aerial printed around the perimeter, and a CR2032 on the back. Is there a reference design for such...
Hi,
This is somewhat open ended question, but I wanted to know the implications of modifying the default bootloader (one that comes with SDK v6.1.0) upfront, so that the...
Hello guys,
I have a very strange issue when working with UICR 's customer register.
I am using a SEGGER Flasher Portable with J-Flash V5.10d to load a hex file (which...
