My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
hy,
i am using s130 as a central device. I can establish a connection and also read the characteristics. I also enabled notifacation for one characteristic. Everything...
Hello,
I have the latest version of nRFGo Studio (1.20.0.2 version) and i try to program the S310 V1.0.0 SoftDevice using the nRF51 DK. I get the following message : Invalid...
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...
