Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hi,
I have a strange problem，
I use NUS service connect with phone , send or receive data，after some process，may happen
the keyboard(use GPIOE interrupt) has no response...
I am trying to test the ble_lbs example to understand the basic working principle of the ble custom service using NAN_36 document after compilation followed by the procedure...
Hi,
I am running the sample glucose app on the nordic chip.
On the iOS we have nRF Toolbox.
iOS Version is 8.3.
SDK version of sample glucose is 10.
After sometime...
Hello,
I've made a hardware base on new nrf52. I followed the exact schematic of eval board and requirements.
Clocks seem to be good (32KHz and 32MHz).
A mange to mkae...
hi ,
i want to transfer data using custom profile.
in which i want to have apple midi uuid service (03B80E5A-EDE8-4B33-A751-6CE34EC4C700) and IO characterstics (7772E5DB...
Hi.
I want to change device name to identify multiple devices.
When I am using two device, the initial device name is "device".
If I connect these two device to iphone...
I have an application that needs to minimize its current consumption when sleeping. From the nRF52 manual, I see that UART should consume 1uA when in idle. The total current...
Hello,
I'm using thhe BLE shied, which uses the nRF8001 chip, with arduino Mega.
I'm trying to connect the Rf module nRF24l01 to receive data from another arduino and...
When checking if a read (or write) is authorized can the event contain an invalid handle (Does the handle need to be checked)?
case BLE_GATTS_AUTHORIZE_TYPE_READ:
{
...
hi
in nrf51422
till now this is my code
now how can i send or recieve information .
or tell me for sending information what to read next?
#include <stdint.h>
#include...
Hi ,
I want to call a pstorage_store() function to update the flash content when ble receives the disconnect event.
My doubt is whether i be missing the flash write event...
I am working on a system with dual Bluetooth chips one acts as primary and the other as secondary.
I want these two communicate with a shared resource(Accelrometer)...
currently, i connected the nrf52(spi master) with ads1292 (spi slave) which is a ECG sensor. For the ads1292 chips, there is a output pin generating the signal called DRDY...
Hello evryone,
i cloned button example form github to sdk version 9.0.0 and i modified the neccesary changes between app.gpiote.c//nrf_drv_gpiote.c files and set the GPIOTE...
HI,ALL
there are two 'uart_event_handler' function in the project.
one in main, and the another in the app_uart_fifo.c
with the source code, i think when i input...
