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've been trying to port my project from SDK10 to SDK12. I'd thought this would be a simple process. Definitely simplier then when I ported from SDK6.1 to SDK10. However...
I would like for the nodes in the network to be able to talk to any other node, even if the other node address are not pre-configured.
For example, I would like to be able...
Hi, Nordic
Now I have one nRF24LU1P USB Dongle, if sometimes there is no data in/out usb(maybe 3ms), USB Dongle will enter suspend state.
Can USB Dongle support to resume...
I am building the ble_app_hrs_freertos example code for a pca10040 dev board located in the SDK 12.2 at: nRF5_SDK_12.1.0_0d23e2a/examples/ble_peripheral/ble_app_hrs_freertos...
Hello guys,
I'm working in a project which requires from me to bond to certain devices and refuse the bonding from others, I mean at certain input, connect to anyone and...
Can I expect the call to sd_flash_erase() to successfully erase a page of flash while I have an ANT channel open doing a low priority search?
What about when doing a BLE...
Hi there,
Is it possible to use TWI0 and SPI0 (or TWI1/SPI1) time multiplexed?
When enabling them both in sdk_config.h I get "Error: L6200E... IRQHandler multiply defined...
Hi guys,
I'm having some trouble with an spi flash memory (AT45DB081D) I interfaced on my nrf51 DK.
I used the spi master code of nRF5 v.12 SDK as base. I'm using gcc...
Hi,
I try to using nrfjprog to burn softdevice + bootloader + applacation, but it shows that application burn failed.
My SDK version is nRF5_SDK_12.2.0_f012efa and...
I'm using GCC 5.3 on Windows 10 64 bit. The linker is successfully opening nfc_t4t_lib_gcc.a, but is failing with undefined references to functions declared in nfc_t4t_lib...
Hello!
I have a device with custom nrf52832 board.
This device can beep using buzzer. Frequency of the sound is generated by pwm driver from SDK. I'm changing frequencies...