Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
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...
It looks like APP_TIMER_INIT changed in v8 of the SDK. I do NOT want to run the code for timer callbacks in the IRQ, I want to run in the background loop. How should I properly...
Hello,
Our application board uses two NRF24L01P and two microcontrollers, so we have total four quartz generators on board. To simplify things we would like to use a single...
I have a project which measures temperature and humidity. After measurement the data should be send trough BLE.
I have one service for the sensor and two characteristics...
Hello,
what do I need to pay attention to calculate the consumption of nrf51822 in low power mode (sleep).
I make this simple program :
=========================...
whether one s110 device can connect to multiple s120 devices simultaneously...?
if not what is the special feature mentioned in Bluetooth 4.1 specification..?
is it limitation...
I'm testing ble_app_ancs experimental sample.
It seems working first connection. But after rebooting iOS Device, or Turn Off/On bluetooth function on iOS Device, ANCS does...
I'm developing an UART with SD110. I've updated the SDK to the newest 7.1 and I'm using MDK Pack-Installer.
I found a problem in app_uart.c and retarget.c .
retarget...
I have a nRF24L01+ connecting to an Arduino board using the RF24 library code. It is a print of the registers:
On the nRF51822 I have the following code:
int main...
Hi, I was looking on Digikey and there is a device with the following code: NRF51422-QFAA-R7 V2
Does anyone know what the R7 V2 means? I think R=reel? Thanks
Hello everyone,
I have two nRF51822 (PCA10024) which I want to communicate, one is a peripheral s110 and working properly with a batery service and a custom service, and...
I am new to BT certification so my following question may be incorrectly stated.
We are creating a new OEM BLE module using the nRF51882-CFAC. We intend to sell this module...
Devzone,
I've been working on a central device based on the project 'ble_app_multilink_central' and have encountered an error originating from within the softdevice of...
In Bluetooth 4.1 spec they mentioned scatternet option for BR/EDR topology....not for LE topology...
is that option of connecting to multiple centrals at a time will applicable...
I need a BLE device that can broadcast codes/id to my android mobile app. Also, I need those codes be changed by once in a while by an admin app. Is this possible?
