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 do fake non-connectable advertising with a nRF24LE1 with base on [1] and [2], they use nRF24L01+ with an AVR which I have ported to my device. I...
Hey,
I'm evaluating a nRF51-DK and face NRF_ERROR_INVALID_ADDR when trying to set a value in the local gatt server database.
My goal is to create a read-only characteristic...
Hi,
I'm using nRF51822 Beacon v1.1.0. Is it possible to detect that the beacon is being scanned? Is there any event generated during this process that I can catch?
I have been studying the ble_app_hrs example, but it has unnecessary functionalities, and it is hard to understand.
Do you have a simple application for transferring data...
I would like to use that chip with appropriate codec as wireles Tx/Rx set. I need of uncompressed audio signal and my sours will be analogue amplifier and the Rx module has...
Hello there,
I am using multilink_central example on nrf51822 Soc, and I charged S120 in the memory. I am trying to get the RSSI and the MAC address without getting connected...
I am trying to get the sniffer to run and having problems. Tried both 0.9.7 and 1.0.1 same results on both. OS is W7-32 home. Hardware, have tried several PCA10000 and a PCA10001...
Hello community, I have the uVision 4 installed, I tried to open the project to compile ble_app_hrs_dfu but get the following error.
I find this file in C:\Keil\C51...
The reference designs and sample layout use 0402 sized components in the RF section. Are 0402 sized components required or can 0603 sized components be used? I'm trying to...
how i can send and receive data by multiple nrf24l01
for example :
If I have 10 packets for send .In Deviec 1 I want send 5 packets by one nrf24l01 and send 5 packeets...
Hi there,
I am struggling for 4-5 days but could find a solution yet.
Can nRF8002 be used as a beacon? I read nrf8002 datasheet and also google it alot but could not see...
If the softdevice is not used, As follows:
static void gpio_init(void)
{
nrf_gpio_cfg_input(Record, NRF_GPIO_PIN_PULLUP);
nrf_gpio_cfg_input(Play, NRF_GPIO_PIN_PULLUP...
There is an input clock signal with frequency of 3MHz-5MHz, but the exact frequency is unknown. I want to use nRF51822 to detect the clock signal's frequency, the accuracy...
Hi, I was using LG's HBS750 (Bluetooth Headset).
This device , after it is connected to an iOS device, shows the headset's battery level.
(Device Spec : Bluetooth 3...
