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...
I am developing an application from scratch for the pca10001 by copying a lot of code from the heart rate example.
When calling "softdevice_ble_evt_handler_set" I get an...
I am looking over the stack-up for the dev board which I received from an FAE and has designed in a 50mil width PCB antenna. I am using this online calculator here:
emclab...
Hello--
The nRF51-Dongle has these 20 pads which I think correspond to a debug port:
On the schematic, it looks like these feed into JTAG signals:
My question...
Hello,
I just got a nRF51 DK and I'm trying the examples of nRF folder in the Pack distribution (SDK 7.2).
I can compile the Blinky project but its not working if I...
i have the nRF51DK that comes with the Segger j-link programmer. Can i use the programmer on the board to program a custom board i purchased from Nordic preferred vendor?...
Hi all,
I am using gcc for my Nordic project and I wanted to add the bootloader. After some reading and experimenting the bootloader worked. Now I thought of making a release...
Hello all,
i am trying to make working the ble bootloader from SDK 6.1 with SoftDevice 7.0.0 and gcc setup (pure Eclipse gcc project frome here devzone.nordicsemi.com/.....
Hi,
I need to develop a BLE service for file transfer between iphone and my device. I chose BLE because the files are very small in size, and as BLE does not need authentication...
Hello everyone,
I got a task which I try to implement using a NRF51822 iBeacon board.
The Task:
Advertise a Device and provide a mechanism to connect without traditional...
I have been using the MCP along with the provided dongle to access a custom BLE service. I would like to build a custom windows 7 application around the BLE service and move...
The below source is mine.
ble_app_beacon.zip
I know that it is possible to display the information in the manufacturer data or service data.
I chose which manufacturer...
Hello, I'm working with the EK PCA10003, that has the NRF51422. I'm trying to read the information of the accelerometer MPU6000 with an ISP interface. At the moment I cannot...
I'd like to use the GATT/GAP driver from an ARM based Linux system. Is there any possibility of getting a library compiled for ARM or (cough) the source code to build it myself...