In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
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...
I am working with a university project where need to connect up to 20 wireless sensors together with 1 master, which will be communicating with either a computer or smartphone...
I found a IAR project at dir [nRF51 SDK_v4.4.1.31827\Nordic\nrf51822\Board\nrf6310\ble\ble_app_hrs\iar].
But my IAR ARM IDE(ver 6.60 newest) don't support nRF51822.
Do...
Hello!
I'm working with nRF51822 Development Kit and s110(Ver.7.1.0).
I'd like to confirm the function about LE Link Layer Topology
specified in the Bluetooth specification...
I have this error but dont know why. Because I have a function which is called advertising_stop(). I would like to implement the DFU part in my function but this error doesnt...
Hello!
I've some doubt about set-up of initial parameters in a BLE connection, using S110.
In ble_app_lbs I try to change the following macro definitions:
MIN_CONN_INTERVAL...
Hi
Im electrical engineer student. I am working on nrf51822 evaluation kit and LinkSprite JPEG Color Camera UART Interface. I tried to control the camera to take picture...
A bunch of questions:
Where are the memory setting requirements documented for S110 6.2.1? IRAM1?
Having just upgraded to the latest Keil and SDK I realise...
As the title says, is there a spec for the OTA DFU service or do I just read the iOS app implementation code and work backwards? I thought of adding it to version 2 of my...
Hello there,
I am developing a PCB with a nRF51822 BLE chip and I need some help with communication between my PCB and Windows 8.1.
I have already managed to establish a...
I am looking for some guidance and an example on how to use the sd_mutex related functions.
So far, I keep getting into the HardFault_Handler whenever I call sd_mutex_acquire...
Hi,
For a home automation project I'm considering using a Freescale development board FRDM-K64F with an RF module nRF24L01+ Nordic 2.4GHz Radio for communication as edge...
In the latest version of ADT (Android development tools Build iV22.6.2-1085508 Eclipse), nRFUart source code will not run. It says "errors must be fixed before running this...
Hello all,
We are working in the field of Electric Bike Propulsion Systems.
We want to add BLE support in our product. Our aim is to send data form our product side to...
We are implementing a small battery powered BLE advertiser using the nRF51822 with an odd requirement that the advertising data needs to change between each advertisement...