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 guys, I have an application, where I need to change the role of the S120 softdevice on demand. So, the application boots into central role, reads a couple of BLE sensors...
I am using a photo detector to sense heart beat data. That sensor data is being sent to my nRF51 DK's ADC and then transmitted out via Bluetooth. I want to collect that data...
I'm using nrf51-ble-driver_win_0.4.1 to connect BLE devices on PC. When device has a 128bits UUID, you have to call sd_ble_uuid_vs_add( &uuid128, &p_type ) to register the...
[Dev Env]
nRF51 DK
IoT SDK 0.8
IoT SoftDevice
[Question]
i tested coap-server example. it works well.
i will test mqtt-subscriber example.
my question is...
Sometimes the service discovery procedure in Android will discover all services but not the characteristics included in them. So all services will be empty. If I then open...
The nRF51 SDK (version 9) documentation tells to activate SPI using the SPI_MASTER_0_ENABLE and SPI_MASTER_1_ENABLE macros. Where should these definitions be made? Other components...
Dear all, after solution of some compilation errors on github nrf51_ble_app_lbs_master for SDK 8.0.0, I tried flash application using nRFgo Studio, it says that application...
Hi,
I am using the sample ble glucose code provided in the SDK.
When i am trying to connect it over BLE interface through Master COntrol Panel or iPhone app it asks for...
I haven't updated my copies of the nRF tools, or mBed's nRF51 code for some time. I just did and now it seems my old method of flashing no longer works. I was doing something...
Hi all,
I've developed a firmware solution for one of my clients. I've compiled using Keil, testing it on a board which previously had SD110. Then I delivered .hex file...
I am using nrf51422 sdk v8.0 on pca10028 kit and softdevice s110. My DFU and custom made application works fine when i use clock SOFTDEVICE_HANDLER_APPSH_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM...
Hi . I try to use the Persistent Storage Interface. but i can't write.
static void example_cb_handler(pstorage_handle_t * handle,
uint8_t op_code,
uint32_t result,...
Hi,
I used the old nrfjprog like this:
nrfjprog --eraseall --dfu --programs s130_softdevice_whatever.hex --program my_firmware.hex
Which worked fine. I've now updated...
i'm trying to blink led using timer, but nothing blink. I dont see the error in my code
#define APP_TIMER_PRESCALER 0 /**< Value of the RTC1 PRESCALER register. */
#define...
