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...
Just out of curiosity, can we have a Bluetooth Classic device communicate with a Bluetooth Smart Device.Both the technologies are very different at the protocol level but...
Hi, I am working on a project that the ble sensor will be mobile. I load mutiple nrf51822 with the softdevice S120 working as APs and place them in different places to extend...
Hi there,
I am trying to implement scanning feature based on timeslots (with BLE).
I can receive and transmit my packets in timeslot. However I need to send PACKET_A and...
We have conducted some form of RF performance test at various battery voltages (3V, 2.5V and 2V). And the results we got shows significant degradation in performance at lower...
HI,ALL
thank all kind developers.
i need make my board as a central.
when i overview the source code,the function 'scan_start' contain the function ' bsp_indicayation_set...
HI,EVERYONE,
NICE TO MEET YOU,
i wanna know that if the buttons_leds_init assigned three buttons at once.
And i noticed that the function name is 'advertising_buttons_configure...
Hi All,
We are in design phase of our project, which uses two NRF52 chipset one as master and Central , We have some prewritten content in Flash, which need to be read...
I ´m testing gpiote interrupt, i´m work with nrf51-dk, softdevice S110 and sdk 9.0.0.
I have a pin that receives a signal 0 all time, and it changes to 1 when I have to...
Hi, I'm using SDK 7.2 and S110 7.1.
I haven't mirgrated to SDK 10 yet.
I'm using the HRS and bootloader (which uses dual bank and BLE OTA) example.
After I select...
I am using nRF51 with Softdevice S110 to do a BLE peripheral, I want to have pin-code authentication before central device (or android phone) can connect to the peripheral...
ble_app_hrs_rscs_relay.hex the application ble_app_hrs_rscs_relay in SDK v9 can run fine,but in SDK v10.0.0 it doesnt work,even when i debug , it cannot go to main, and i...
Hi.
I have troubles.
I'm using nRF52 DK and V0.9.0.
I'm making program that does TWI communication between MPU9250 what is 9-axis sensor.
error is false every time.
...
I'm having problems getting the DFU dual bank ble s110 example to work on my target. My custom BLE app on my target is running fine, so my hardware is all good, and the DFU...
