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...
Hello, I am using spi_master example to get a sensor output from ADXL345. Currently, it seems my code can read output data, but there is error showing for settings mismatch...
Hello!
I successfully followed nAN-36 and loaded the code into a NRF51 DK (PCA10028).
The next step I intend to take is to prepare a custom central service that matches...
Why sd_ble_gattc_hv_confirm returns NRF_ERROR_BUSY ?
I want to send a confirmation after I receive a indication from server(s110 ) ,when I receive data ,
in on_evt_hvx(...
I am trying to figure how to pin my nrf51822 on a PCB. I need the chip to sample and convert an analog voltage signal coming from a photodiode heartbeat detection circuit...
Hello
I want to setting up DFU in my project. I followed this document :
link text
I'm using IAR EWARM and nRF51_SDK_8.0.0 and "nRF51_SDK_8.0.0\examples\dfu\bootloader...
Dear all,
I have written some code that controls the SPIS and allows it to transfer data as if it were a master. I am generating the SPIS clock from one timer, and I am...
Hi everyone
for my application I must use the Bluegiga dongle like central (PC side) and nRF51822 for peripheral (hardware side).
So I implemented cable replacement app...
I feel stupid asking this question, it should be documented in the standard and the code but I have looked and googled with no luck.
I want to populate the ble_rscs_meas_t...
What are the considerations when choosing between using an external 32.768 kHz oscillator and just using the internal RC oscillator as the low frequency clock source?
Here...
Hi,
Does anyone know if there is windows (8.0) visual c++ command in the BluetoothGatt functions to use the memory request event with S110?
Many Thanks
Hello,
I would like to develop a quick prototype with nRF51/52 however do not have experience in designing apps. I have seen the example apps and was wondering whether...
Hi,
your Central is able to hold 8 connections with peripherals. Perhaps someone is able to explain how more than one connection is handled? If only one Central is connected...
My Project:
I want to control 2 outputs on the nRF51DK from my mobile device(Android & iOS). Its a simple program:
left button is pressed -> PIN 21 High / left button...
Hi ,
I am planning to buy nRF51 USB Dongle(S120 SoftDevice or S130 SoftDevice) to discover BLE devices and to communicate bi-directional. I am planning to develop C# in...
I am using
nrfgo studio ver 1.20.0.2
s132_nrf52_1.0.0-3.alpha_softdevice.hex
nrf52832_xx_aa_s132.hex supplied by Nordic (ble_app_template)
emIDE 2.20
The firmware runs...
