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...
Hello,
I'm trying to start working with the NRF52832 Dev board for quite some time and can't manage to get anything complex done other than blinking an LED and even that...
We are using a TI AIC audio codec interfacing with the nRF52 over I2S.
The TI codec specifies the following expected clock frequencies for a sample rate of 16KHz and sample...
Hi
We are trying to find a solution to connecting a BLE peripheral to a "preferred" or "primary" central. We are considering having the peripheral connect to multiple centrals...
Hi,
Probably the answer to this question is no, but I can't seem to find any reference in the standard and/or your SDK documentation that proofs that the same relay message...
Hi,
In the Release Notes of SDK 14.2 the following issue (for an emulated NRF52810 project) is mentioned :
*** Known Issues
****************
** BLE **
- When working...
Hi,
Is there any API in Softdevice S132 v5 production to set up advertising extension?
In migration notes of SoftDevice S140 v5 alpha3 I can find annotation:
A new...
I have read the nAN24-13 application note as well as the crystal selection portion of the nRF24LE1 and nRF24LU1 data sheets and I am still undecided about this crystal
https...
Our intention is to wake up the nRFLEI from power-down using the external interrupts, perform some actions and return to power-down. There are three external control signals...
Dear nordic employee
when I use the spim to send 1 byte address to read it's value(4 bytes)
nrf_drv_spi_transfer(&spi,headerBuffer,(uint8_t)headerLength,readBuffer,...
Hi,
We are trying to transmit a single byte over SPIM using easyDMA but our logic analyzer shows that 16 bits are being clocked out. The first 8 are our message and the...
Hi
I just test the new sdk 15.0
When I test the power of the demo project named "ble_app_hrs_freertos", I get the power table below:
No chage
810uA
...
Hello world.
After I have used this guy code.. KNN c++ . and good for implement it to my module nRF51822.
But if there's problem issue or not. because, there was an confusing...
HI Nordic,
I want to know whether the NRF52832 use the RC oscillator as the default source of HFCLK . I want to use the TIMER peripheral to do a precise duration measurement...
Hi all, I using 3 board NRF52 to demo remote provisioning mesh . But in client , I get debug terminal :
After client hang . Please tell me why and how to use correct
Good evening, I determined the numbers of clocks necessery to fire up an interrupt from an GPIOTE event. My debugger reports 1373 clocks ticks to go into and go back from...
