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 have tried to convert ble_app_uart to use spi slave rather than the uart with no success.
Please can I have some pointers as how to go about it.
Thank you
Hi,
system info:
SDK: v6.0.0.43681
S110 V7.0.0
nRF51822 Rev.2
I’m using a ~4ms one shot timer (using the timer library) which is being started in the...
How can I dynamically assign the MQTT broker address
Hi all,
I have a general question how to assign the MQTT broker address dynamically.
Current Nordic IoT-SDK mqtt...
Hi,
my question is related to this question:
devzone.nordicsemi.com/.../
Erasing Flash pages takes a pretty long time (and the CPU is blocked during this time). For...
Hi,
I use NRF51822 QFAC chip, SDK is 8.1.1, soft device is S110. The base project is ble_app_uart. Now I want to add OTA DFU into my project. But I don't know how to start...
Hey together,
I'm using the GPREGRET register at the nrf52832 to determine how the module should start up after an off mode reset. Thus I set a predefined bit in the GPREGRET...
I have been working on the multilink example lately (version: 8.0), I have identified the function to send data on the peripheral part, it is sd_ble_gatts_hvx(), but I'm having...
hello ,
my IDE is keil and the sdk is nRF51_SDK_10. i know the system is 16M frequency,but now i only have 32M crystal.How can i change the sdk if i wang to run the system...
hello , Nordic Engineers. my IDE is keil and the sdk is nRF51_SDK_10 and s110_nrf51_8.0.0_softdevice.hex. The project is "C:\Users\robben\Desktop\nRF51_SDK_10\nRF51_SDK_10...
Hi,
I am trying to load hex file over the air for nordic but I am getting error as master emulator installation not found. Please suggest. I am using MCP of version 3.10...
hello i want To use mbed for nrf51 dk. i used this link developer.mbed.org/.../ . i am following steps but i can't copy hex file into bootloader. i got error message "There...
Hi,all
my question is in the title.
i am making a project like NUS (sample in SDK).
i found that during the data transmission Situation，the write without response...
Hello,
I was using Nordic's Master Control Panel for a while to upload firmware to my nrf51822 BLE beacon for a while and now I want to move one step further. I want my...
