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...
I want to read the nrf51 memory, I'm using nrfjprog.exe --memrd 0x0 --n 0x40000 > name.txt
but get something like
0x00000000: 20000C58 00000115 0000012F 00000131 |X....
Hi All,
I need to read the data written on RX characterstics of nrf_uart Service from my board using bluez.
I'm using interactive mode of gatttool with my Nordic sensor...
Hi,
I need to design a small nRF52 board, with a 3cm by 3cm size. I am very new to antenna design, so i have some questions, in order to avoid ruining it. The reference...
I'm trying to write 32bit word on flash memory every 25ms, but when I read the memory using nrfjprog I noticed that it write only 16 words (32 bits), in this code saveToFlash...
1,How do I send a data packet using BLE Peripheral? What API should I call? How should I prep that API? Do I have to care about the format of the data that will be sent, or...
For starters, I'd like to use an Arduino Uno to receive a Bluetooth signal from the nrf51 DK and
turn an LED on/off.
What materials do I need to do something simple like...
Dear Nordic developers,
SPI_MASTER peripheral behaves in a way, that I cannot understand from manual is it normal or no.
I have implemented something similar to loopback...
Hi.
Currently using the examples of
examples/ble_peripheral/ble_app_uart
examples/ble_central/ble_app_uart_c
from nRF51-SDK V10.0.0 ble_nus and ble_nus_c.
We can...
I'm experimenting with BLE multilink central S120 softdevice on pca10028 and several of my custom BLE devices based on S110 softdevice.
Is S120 multilink central capable...
hi：
I combined ANCS example and HID_mouse example @SDK 9.0,but there is an error when iphone connect the device ,err_code is 0X8010,(err_code = dm_service_context_set(&m_peer_handle...
Hi Experts,
I modified a DFU bootloader from SDK 9.0 for nrf51822_xxAA chip. However, I encounter code size overflow problem when building it.
I found the ROM1 configuration...
Here are my 2 scenarios:
I need a radio chip that will be used to form a mesh network in dense bush with each node up to 150m apart. Is this possible?
I need the...
Hi all,
Edit 25 Dec '15: Rewrote post for better readability:
I am trying to modify the dual bank DFU bootloader example to work on our custom board that uses a nRF51822QFAA...
Dears:
I try to use nRF52_SDK_0.9.0_0c82e3e SDK pheripheral pwm example and set the channel1(led2)
duty to 0.
But i still could get the signal about 400mv with LED2...
