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...
I was comparing the binaries for the S120 and S110 stacks and see the MBR is different.
I was under the impression that the MBR never changes and was thus expecting it...
Hi Nordic
We want to test radio parameter through IQxel . Now,we need a application software to control nrf51822(TX,TX,outpower,channal and so on ) . Can you recommend...
I'm using the example code for simple device/host Gazell in SDK 7.1.0 as my starting point for my application.
My program runs for a second or two, then ends up in the...
Hi
I am new to programing low energy devices. I got a Blend Micro from RedBearLabs. I am using the
nRF Master Control on android to connect to it. I am able to change...
As I create my first 'profile document', it would be nice to read over some examples. My only knowledge of this document comes from nAN-36, section 2.2.2.5 :
A profile...
Hi
in the SDK 7.1 examples, there are examples about how to use the hardware peripherals, and examples on how to use the BTLE stack, but nothing combined.
How do I combine...
Hello, I've started bluetooth development with nRF51 DK since yesterday.
My devlopment platform is KEIL-MDK(v5)
Yesterday, I just tested my board, download the blink...
I have an nrf51 dev board which i can currently connect to an android phone and read data from. I would like this board to be able to scan for other BLE devices and send data...
While attempting to understand why my S120 v 1.0.1 application aborted in:
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, assertion_handler);
producing:
ASSERT...
In regard to the following functions
uint32_t sd_nvic_critical_region_enter ( uint8_t * p_is_nested_critical_region )
uint32_t sd_nvic_critical_region_exit ( uint8_t...
Hello, from looking at the GCC linker files I take it that S120 softdevice doesn't support using the full 32KB RAM of the new nrf51422-xxac devices. Is this something that...
Hi, I have written a simple program to calculate the number of retries with nRF24L01+.
On transmitter side, maximum number of allowed retries is set at 1. The transmitter...
Hi all,
I am a beginner with nRF24LE1, when I want to code some examples using GPIOs, I find that it's difficult to understand the PxCON register function. Whether I configure...
I am using the usb port to download an example project to the NRF development kit board, with Keil4. Somehow it keep telling that "No jlink device found", in Keil, the project...
I'm designing my own pcb with a IMU and nRF51422 but i confused,
What's the best choice, LDO, DC-DC or external regulator configuration if I'll use a cell coin?
Someone...
