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 use 52840, nRF5_SDK_15.0.0_a53641a\examples\peripheral\usbd_msc this example, and change the log level to debug
but i still can not see the DEBUG output information, this...
Hello.
I developing drone by nrf52832.
Developed based on nrf52-quadcopter .
physical web & drone is service uuid as below.
#define BLE_UUID_NUS_TX_CHARACTERISTIC...
Hello, I'd like to connect the nRF52840 to four I2C sensors. These sesnors may or may not have the same address and they will all be at the end of their own 2 meter long cables...
Recently, the side-channel attack "Screaming Channel" was described in a paper ( http://s3.eurecom.fr/tools/screaming_channels/ ).
The authors demonstrate a remote, passive...
Hello Nordic team
I am working on nRF52832 DK and SDKv-11. Can we increase MTU size to send more than 20 bytes in one packet? If yes then any example code do that?
Is...
i use SDK11.0 in 51822, I just need use BSP_BUTTON_1 interrupt, don't need BSP_BUTTON_0 interrupt, but i must initial BSP_BUTTON_0 interrupt, otherwise the current will be...
Recently, the side-channel attack "Screaming Channel" was described in a paper ( http://s3.eurecom.fr/tools/screaming_channels/ ). The authors demonstrate a remote, passive...
Is it possible to setup a mesh network over BLE and use 6LowPan to enable the use of the IPV6 address space?
The goal is to setup a network without using a star topology...
In order to change the bitrate of the nRF52840 I tried to change the following code on advertiser.c :
static inline void set_default_broadcast_configuration(broadcast_t...
I programmed a PCA10001 with the HID Keyboard example and changed the preprocessor code from NRF6310 to PCA10001. The functions were tested according to the online HID Keyboard...
In the main function, this works.
Works ..
Not works , I got NRF_DRV_TWI_EVT_DATA_NACK error..
and I cannot call "nrf_drv_twi_tx" in the timer event handler...
Hi everyone, I am testing out the qspi flash on pca10056. While the read speed is decent around 650 KBs, the write speed is too slow ~ 35 KBs. It could be our own usb/caching...
There is an example in the SDK v15 folder. " ble_app_buttonless_dfu "
I write a custom firmware which has ble interface sending temperature data.
I want to add ble bootloader...
Hi,
I'm using the S132 v6.0 and SDK v15.0 to work with nRF52832. I found the it just get the advertising data. If the device put some data into the scan response, when I...
