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,
Now I am try to use sd_flash_page_erase() to erase a flash page.
Before I call it, I already stop all interrupt but I always get a error message "NRF_ERROR_NO_MEM...
Hello,
I am working with nRF51822 development kit (s130 softdevice). I want to use one software interrupt for my custom application. Is there any software interrupt available...
During my development with ANT protocol, I found that if you have a bunch of units all have one master channel. Channels will actually bump into other channels easily and...
Hi,
I'm trying to get the SPI Slave example working on my nRF51822 PCA100001 development kit.
SPI1_TWI1_IRQHandler never gets called even though the ACQUIRED and...
Looking into the schematics, I could not find any uart or spi signals on the connectors. I am good in soldering, but I would not dare connecting wires to the nrf51422... ...
Hallo everyone!
I need very low consumption when BLE working. according to S110 SDS, BLE power profile section, when BLE in idle-connect, there is Ion+Irtc+Ix32k, same...
Use the spi_master_example_with_spi_slave in SDK6 to evaluate the SPI master module but fail.
No matter use the default pin assignment or re-assign, it does not give out...
I can't find in the documentation for the IoT the usual section about requirements for the start of user code, the start of user RAM, the max stack used and whether any heap...
I would like to be able to generate DTMF tones using PWM. I am very familiar with the process, having written code to do this several times on other devices. The DTMF will...
Is it possible to use the nrf51 dongle with raspberry pi b+ ? I'm prototyping a 6LoWPAN solution where the peripheral nodes are nrf51 devices. I'd prefer the central device...
Hi, I'm not used to the bsp.c so my question could be silly. I hope you could understand.
When I used SDK 6.1, the example about button_event_handler function had a parameter...
What is the best way to transfer an array of individual values using the BLE stack?
Is it by appending all the values into one blob and sticking it into a characteristic...
I'm using
HID keyboard example (SDK 7.2), Softdevice S110 7.1 , IAR for ARM 7.1, J-Link,
on my custom board (with NordicSemi nRF51822-QFAA MCU).
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