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 IAR7.7 AND v11.0
THERE ARE ERRS.
FS_REGISTER_CFG(fs_config_t fs_config) =
{
.callback = fs_evt_handler, // Function for event callbacks.
.num_pages = NUM_PAGES...
SDK Version: 13 Alpha
I've been able to track down, through app_uart.h, where UART interrupt priorities are set using NVIC_SetPriority(). Now I'd like to know where interrupts...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello,
I am evaluating the USB audio example from SDK v14 with an nRF52840-Preview-DK (PCA10056, V0.9.2, 2017.25).
SW9 is set to VDD power, SW6 is set to DEFAULT. The...
Hi,
I'm trying to setup Keil with PC-Lint using Nordic SDK11. I've noticed that SDK files contain a lot of PC-Lint annotations and I assumed that it should work but I'm...
Hi,
I am using the nRF52-DK board to program a custom nRF52832 beacon.
The nRF52832 device is a new device (virgin ;-))
I am using the connections as in:
devzone.nordicsemi...
I have a custom board that is running the NRF52832 from the Redbear MB-N2 Module.
Suddenly the board will not BLE advertise.
I loaded the HRM example and that won't advertise...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
Hello!!! Please tell me why for example Bluetooth or Bluetooth 5 Mesh would be better in living rooms (buildings?) than Sub 1 GHz (868 or 433 MHz for example) such as Sub1...
ADS1118:
How can I recieve the first 16 bits getting transmitted by the slave ? Will MOSI clock out p_txBuf while storing bits to arr_rxBuf if I set TX buffer len to...
It looks like the random number generator is relative slow as implied by the documents. I wonder if it has been spec'ed some where? Exactly how much time does it take to generate...
Hi Nordic,
I would like to be able to connect to a Mesh node server from Mesh SDK light control example, add a service with a characteristic and change the characteristic...
We have been utilizing NRF51822-mKIT for code improvement and as of late got NRF51822 Bluetooth smart beacon kit. There is want to utilize NRF51822 Bluetooth smart beacon...
Hello,
I would like to provide an alternate mechanism to start the DFU process. Is it possible to call ble_dfu_buttonless_on_ctrl_pt_write() directly to kick-off the operation...