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...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
Does the s210 softdevice not function on the nRF51822? I see it available for the nRF51422 here but it is listed under the 51422 only.
I have a v1.1.0 PCA10031 (nrf51422...
Hello,
I developed an application for the nrf51822 Smart Beacon, SDK11 s130, that basically advertises the battery lvl of the beacon, the staus of button_1 and the number...
I have a nRF 52 DK board. I have flashed dtm example onto it. I have connected a USB to serial UART interfacing board ( www.sparkfun.com/.../12731) to the respective Tx, Rx...
Both the capacitive touch library and the driver (which is better ?) are using the analog inputs.
There are only 8 of them , and we need 10 at least buttons.
Is there...
I'm migrating from SDK11 to SDK13. My custom service is based off Heart Rate Service, so I started from the new SDK13 example of HRS, and updated all the initialization code...
Hi,
on Android, I sometimes get delayed notifications. I measure realtime data and send them over notification, and I can see data change on Android with approx 1 s delay...
Could Nordic please confirm that the "SB13-SB15" and "SB23-SB25" silkscreen markings incorrectly imply that pin 1 of the SPI flash part, which is actually "!CS" would appear...
I have a custom PCB with an nrf51422 powered by a coin cell battery. The EE who designed the board assured me that the battery voltage could be measured internally through...
Hi community
In order to discovery the server, I have read some examples and I got some questions regarding the use of the following methods:
sd_ble_gattc_primary_services_discover...
Hi,
Is it possible to add additional antenna on the beacon ( NRF51) in order to increase the range ?
If yes kindly let me know the list of available or recommended antenna...
Hello,
I'm currently designing a board with nRF52840 and I'd like to use an antenna that is a DC short to ground. Do I need a DC blocking capacitor in such configuration...
Hello,
I am developing a profile which includes 39 characteristics spread over 4 services on nRF52840/SD140/SDK13. When I add one too many, sd_ble_gatts_characteristic_add...
Hi community,
I'm working on a BLE gamepad with custom board based on 51802 and s130, code modified from ble_app_hids_keyboard . The gamepad works like a charm on my Android...
