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...
Hi,
I'm facing a weird problem resulting from the following code:
while((!twi_tx_done) && timeout--);
The main file and the MPU9150.c which includes this command...
Hi, I try to capture ipv6 over ble packet.
So, I construct system like, nrf dk 51(with sensor) - rasp
nrf-dk 51 is equipped with coap-server source and rasp doing like a...
Hi everyone,
I have a really weird problem.
I created a makefile based on Nordic's example from the app_template and created 2 additional targets, one called "debug" and...
I have upgraded my laptop to Windows 10 and all hell break loose.
When I either connect the board or the dongle, they are stuck in a loop of connect/disconnect behavior i...
hi,
i am using ble_uart example in which i am sending 3 byte of midi data
(90 1e 45 0a .E.)
i am getting (.E.) when i converts this ascii value to hex value i get (2e...
Im trying to provide DTM functionality for certifications tests. I can't setup an UART interface, I found the below code which tries to use DTM without UART. it uses channel...
Hello,
I've read a lot about trouble people had when they used bluetooth and flashed the rom without using the propper softdevice APIs.
What is the issue with concurent...
Good morning.
I ´m working with nrf51-dk, sdk 9.0.0 and softdevice 110.
I have done a proyect without softdevice, only uart and master spi (mode 0) and works perfect...
Hi, I flashed the Proximity Application to nrd51822,with s110_nrf51822_6.0.0-5.beta.
the chip run right, and I used the NRF Master Control Panel, when I write data 0X02 to...
Dear all,
I have tried using a setting a break point in main() of my program. Without running the softdevice, it is fine to pause in the break point and continue to run...
Hi,
I am developing a product using nrf51822. While pcb designing I am getting a clearance error. Please let me know how to resolve it. All the dimensions are 8mil in clearance...
Hi,
I am editing my question:
I have seen some strange behaviuor I could not explain. In order to test it I have made the next test program:
I am using the application...
Hi,
I recently bought the nrf 51 development kit. Before implementing a BLE application on the board I wanted to start with a simple application of blinking a LED by pressing...
1.I have a nRF51_DK and nrf51822(waveshare core51822)
2.Keil 5.18v and all of the needed software were Installed
3.s130 1.0.0 or 2.0.0 and sdk9.0 or 10.0 were used ...
