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'm running a custom nrf8001 board and the nrf8001 is consuming approx 6.2mA on it's own in advertisement mode using the uart demo. Has anyone had this same problem? Any advice...
Flash write and erase works fine, if ble is not initialized( ble_stack_init()).
Once ble is initialized, any write to NRF_NVMC->CONFIG hangs the system.
Do I need to...
Hello!
We are using a custom hardware design based on nRF51822. Recently we switched to the new chip version QFAAG0 with softdevice 6.0.0.
Our application needs a repeating...
I have tried HTS(Health Thremometer Service) sample Program on nRF6310, PCA10006, SEGGER J-Link Lite and iPhone5C.
First time, temperature is displayed on the iPhone5C...
Hi,
I have a custom board with nRF51822 chip on it and tried to run the proximity sample program on it. I have used the nRF51822 develpment board + nRFgo Motherboard to...
www.dropbox.com/.../Screenshot 2014-04-03 11.41.25.png
I guess has nothing to do with crc16?
the call stall seems unreasonable, is it because my stack is messup?
...
Hi,
Is it possible to control the drive current of the gpio pin?
Can anyone explain the different possible drive configuration for gpio's (S0S1,H0S1, etc..)?
Regards...
I'm trying to compile the bootloader for gcc from this post: devzone.nordicsemi.com/.../nrf51822-over-the-air-bootloader-with-gcc
The bootloader start (I can find my device...
Hi,
I'm confused with the functions (sd_power_mode_set and sd_app_event_wait).
1.I think there are described with the same function.I can't tell the difference between...
Hi,
I've developed an application and tested it on the evaluation kit. Now i'm trying to run it on a custom board with a nrf51822 chip on it. I've made modifications to...
Hi,
I use to the nrf51422 with nordic's dev/ev kit.I want to build a project and the purpose is to get the sensor's date and use the ant protocol to deliver the date to...
Hi,
i need some help by selecting the right Hardware for a new Project.
I want to build mesh network so i think ANT is the right Protokoll for me, with BLE i can't build...
Hi
I have a BLE module of nRF8001 chip and everything is working fine with it.In your Arduino compatible libraries for nRF 8001 you have a function hal_aci_tl_init() in...