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...
Hi,
I meet a very strange situation when I tried to wake up nRF8001 from sleep.
I send 0x05 to nRF8001, it replies me ACI command 0x40 is unkown (0x82).
I have checked...
Greetings,
I recently bought an nRF51 dk and was trying to see how to implement the AVRCP profile to play/pause music on a smartphone.
After some research, am i correct...
I measured the conducted power on the PCA10028 demo board and get ~2dBm out when I set the output power to +4dBm. It appears the PCA10028 is using a discrete balun. Is 2dB...
Hello,
Setup:
SDK 9.0
SD 8.0.0
I have an application where we are using Pstorage to store persistent system settings.
When I flashed the device we were using this...
Dear All,
I'm a beginner in programming of Nordic component.
I try to synchronise the date and the time between client which is an application in PC and a component...
I'm currently developing a concurrent central/peripheral application using the nRF51, S130 and SDK 9.0.0. It uses the Nordic UART Service, and it would be nice to make use...
Hello,
Is it possible to use EasyDMA directly with nRF52 SDK without using one of the higher level libraries that use it, i.e SPI / UART? I am interested in implementing...
Hi:
I want to let link manager controllby by me. for example, I want to ask link manager to emit such LMP_test_control, LMP_activate command via HCI. how to do by nRF51?...
Hi:
for nRF51
I want to send command to link manager by HCI command ,or example LMP_test_control, LMP_Activate , etc. Could I modify firmware to do it ?
thanks;
All...
Hello,
I have an issue that I can't seem to sort out involving the PWM module. I am currently using SDK9.0 and SoftDevice S110 V8.0 and I am using the stock PWM files from...
I have a nRF51DK. And I would like to be able, to enable/disable the softdevice with 2 buttons.
Button 1 on nRF51DK --> Enable Softdevice
Button 2 on nRF51DK --> Disable...
Hello,
I am working on nRF51822 S110 softdevice 8.0 and SDK9.0. I am creating paired and unpaired states and the system will goto unpaired only if it is unpaired from the...
I know nrf51 timer0 can be configured for 16,8,24 and 32 bit modes
and timer1 and timer2 can be configured for 16 and 8 bit modes.
But what can I expect the value to be...
I'm going to star a new product development using nRF51422 supplied by a 3V battery. Since it is a low cost product the idea is to use the nRF51422 internal DCDC to provide...
