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...
Currently I have a device working with DFU being updated from an iOS device. Now however, I would like to update the DFU from another BTLE device. There is no OS in this device...
As I am using four GPIOTE IN events to get interrupt on gpio-pin's rising-edge, please let me know whether it is possible to get low power or not.
If not, please show me...
I get an error sometimes in my project, and the error code is 0xDEADBEAF always. it happens often when i start advertising and connectting to a mobile phone. i get the debug...
From the nrf51 dongle User Guide, if revert back to the J-Link image from mbed image
download the latest SEGGER J-Link software from www.segger.com and open a debug session...
Hello, first of all: I do not expect support from nordic here, but if any kind sole could shed some light on this, I would be very grateful. I’m developing an open source...
Hi All,
I was tasked to create a program in visual studio that can just detect the 949-NRF51822-BEACON
Using the 949-NRF51-DONGLE. A simple application that detects the...
Hii all,
I wanted to generate a clock pulse from the pin P0.05, I've written the code and when I tested the application with nrf51 DK with chip 51422-AC its working fine...
Hey everyone,
I'm trying to send a value as a notification packet from GATT Server (slave) to GATT client (master) at 7.5 ms connection interval. I have set up the radio...
I am using a simple 4 by 4 matrixed keypad, and I would like to handle some of the decoding myself.
In essence, I would like to configure all 4 rows as low driven output...
Hello,
I already searched the forum, but I didn't find anything.
Is there a way to invert a port on a NRF51822?
I use this chip together with an XMega-Chip and they...
Hi,
I'm trying to get PCA10001 board working. I used ble_app_hrs example from SDK 6.1.0 (I'm using eclipse with gcc). The Softdevice is v7.1.0
The application seems...
I have a nRF51DK with SD 8.0 flashed.
I would like to start and stop a pwm signal with the buttons on the board(BUTTON_1 and BUTTON_2). The pwm is working fine. But when...
Hello:
I want develop my nrf51822 project base on new sdk and softdevice.In /nRF_Examples/9.0.0/ble_periphera/ble_app_uart/, the keil project device is nrf51422,and it can...
Hi,
I'm compiling the simple blinky example with no softdevice for an NRF51822 xxAA using GCC on linux. I can't get any LEDS to blink off the GPIOs, so I'm debugging with...
I can see a phrase "Not recommended " on the Evaluation Kit's page: www.nordicsemi.com/.../nRF51822-Evaluation-Kit
What could that mean for me if I already have the kit...