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,
We are trying to communicate to this board ( www.adafruit.com/.../1697 ) that has nRF8001 at its core.
Unfortunately, our TX is only able to output BLE 4.2
...
I'm running on nRF51822, SDK 8 (not totally sure, I inherited the project), SD130 and mbed.
I've tried and failed with my own code to use pstorage.
I'm now trying a...
Hi. I'm using nRF51822AC, SDK12.2.0, S130.
The size of "s130_nrf51_2.0.1_softdevice.hex" in SDK is almost 300KB.
But chip's flash mem size is just 256KB. It's bigger than...
How is it used? And why to use it?
static nrf_saadc_value_t m_buffer_pool[2][SAMPLES_IN_BUFFER];
instead of
static nrf_saadc_value_t m_buffer[SAMPLES_IN_BUFFER];
Hi team,
we are doing project called indoor navigation using beacons.To get the good RSSI signal strength,in which position should i need to place the beacon. Can any one...
Hello,
I tried to flash an application to the nRF52832. First I flashed the softdevice, after that I flashed the bootloader and next the application.
The application...
We were doing various tests using PCA10040.
Then suddenly I can not connect to the PCA10040 board.
In the boot loader mode of PCA10040 board, connection is made.
What is...
Hi, I use the nRF52832 board (PCA10040 v1.1).
Before creating a custom PCB that uses nRF52832-QFAA, I chose
Q22FA12800025 FA-128 32 MHZ 8.0PF (load cap = 8pF)
and ...
This should not be a sudden my PCA10040.
Jlink are probably going to have failed.
It does not appear in the USB Jlink to appear as Atmel.
Is there a way to recover...
I am doing a project about nrf51822 smart beacon kit and a person has give me this link: infocenter.nordicsemi.com/index.jsp
to download the firmware and hardware files...
Hello,
I develop a BLE central device based on nRF52 (with the newest connectivity firmware and SoftDevice with API v3) and the pc-ble-driver in version 2.0.
Since my...
Hello Everyone,
I am working on nRF51 I need to save data with timestamp (current date and time).
Is there any example code is available so I can set current time and...
Hello,
Recently read about FIDO’s U2F authentication protocol for NFC and Bluetooth smart.
https://fidoalliance.org/fido-alliance-equips-u2f-for-mobile-and-wireless-applications...
