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...
I have hard time in start a twi in nrf52832 with SDK11.0, I can't initial twi ,whatever i do ,when i build is still an error ,here is my code:
static const nrf_drv_twi_t...
Hello. Nowadays I'm trying to upload the softdevice for the RTOS based on the freertos.
As you know, determinism is very important for the realtime.
I want to know the...
Hai guys,
I am using nrf51dk, S130, and Keil to develop a simple project. My aim is to send the sensor data from the nrf51422 to the mobile app.
when no mobile is available...
I read this thread: nRF51 beacon high frequency scanning and advertising and have similar problem here.
Some repost from my electronics.stackexchange.com question
...
heya all,
I've tried folowing the guidlines for selecting correct SoftDevice for particular DK, but I am completely confused about the whole naming conventions and versions...
Hello,
I wants to store data in file or store data as non volatile .
I can't found any file related function.
Can any one help me how to store data as non volatile...
Im using nrf51. first I used bonding feature, for that I configured the characteristics with BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM on read to trigger the bonding on IOS. ...
I am using SDK 11.0.0 and S132 on a nRF52832. In my application, my device can operate in BLE mode with the SoftDevice enabled or in custom RF mode with the SoftDevice disabled...
I need an accurate timer to generate pulses about 20ms. With simple timer this is workiong fine, but I need more then one timer simultaneously. So I would like to use app_timer...
Hi
I am working on NRF51822. I am using S120 ble_app_multilink_central example. I am trying to create a Timer1 interrupt of 1ms interval. My interrupt is working but interval...
Hi all,
I am trying to block connection from other devices to my nrf51dk board, except some specific devices. I used whitelist but it seem like the peripheral only block...
Hi,
I have just bought a nRF51822 Beacon Kit. The sticker on it shows that it is a PCA10006, Rev 1.2.0 2015.17 on it.
But I think that it is PCA20006.
What is the best...
Hi
I am getting some weird response from my nRF51-DK.
Situation 1:
When I try to flash it with the Blinky code (\sdk11\examples\peripheral\blinky\pca10028\s130\arm5_no_packs...
I'm trying to under the ble_app_multirole_lesc project and I'm a bit confused about calling sd_ble_auth_key_reply and sd_ble_lesc_dhkey_reply. If you are using Just Works...
Hi,
I am trying to send a HEX command to a device over UART at 9600bps using nRF52 DK, but it never works. However, it works with Arduino (so the receiving device should...
