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...
Why I will restart the ADC is used to measure the voltage is greater than 1.2 V
void battery_start(void)
{
uint32_t err_code;
// Configure ADC
NRF_ADC->INTENSET...
I just assembled my first nRF51822 board and I was able to program it using an IDAP-LINK and a blinky program compiled with the Eclipse/GCC toolchain flashed via SWDIO/SWDCLK...
Hi all,
Due to the updates file structure introduces in SDK 7.0 I'm trying to figure our where everything has been scrambled to. Here are the items I'm struggling with...
Hello,I wnat to enter in dfu mode after each advertising.I don't understand which is the handler / function that are called when send a advertising message?How can I put the...
I have noticed the PWM library in SDK v 8.1 randomly changes polarity of the PWM channels. I can't figure out what causes it to happen... seem's random, but I doubt it.
...
I am trying to upload the blinky example with the s110 softdevice into the nRF-DK board I just bought. The documentation says "flash_softdevice target". But I see no such...
Hello, according to the Product Specification v3.1, the supply voltage range is 1.8 V to 3.6 V.
As you may know, most of the lipo batteries have a nominal voltage of 3.7V...
I am following the NaN-36 example... So far all is going well but i am stuck at section 4.5.4 . I have checked over all the directions three or four times... I have to be...
I am hoping someone can point me in the correct direction as I have posted my question on the SIG forum and didn't receive any responses.
With a nRF51422 device is there...
I've followed the instructions for adding the DFU service to my app to the letter and can see the DFU service from the central and can enable notifications on the control...
Hi.
nrf51x22 has 32 IOs. can we assign 2 pin to usb d+, d-, and listen interrupt.
yes, nrf51x22 has uart support, but many host device only have usb port. serial port...
Hi All,
I am using NRF51822 chip pca10001 development board.
I flashed ble_app_hrs application to the board.
I configure 3 channel for PPI.
static void ppi_init...
