I have enabled data ready interrupt bit and also enabled the fifo bit and also enabled gyro_fifo and accel_fifo bits in mpu6050 so that when data ready interrupt occurs the...
I will be selling various ble products. My customers can connect to and program the devices using their bluetooth smart phone or tablet.
I want them to have the option...
Hi,
I am trying to run nRF24L01+ in default configuration using simple ping-pong examples using RF24 Arduino library.
The problem is that while ping-pong is getting through...
Hi,
I want to send data from one peripheral(nRF51 DK) to multiple Android Phones. This will be a one way connection from the peripheral to the smartphones. I red on the...
I am working on "nRF51_SDK_8.1.0_b6ed55fnnn\examples\ble_central_and_peripheral\experimental
\app_s130_demo\pca10028\s130\arm4" project .
In this project,in which variable...
Or is there any LCD you could suggest that doesn't need that much code? Simple numeric 2rows would be enough. Want to use it with the nRF51-DK to display some measured valued...
Hello,
I am working on application where client sends the data to server in mesh, all servers are receiving the data as per the group subscriptions. Now, i have added the...
This link in nordic nrf connect apps is old version. There is no enable services for now. It should be changed to enable CCCDs. After enable it , data will be received in...
I tested the NFC transceiver APDU of the project nfc_uart is good. Then I ported the NFC code to the project ble_app_uart. When the board is simulated, the program pointer...
Hi,
I can use the SPI master functionality within nrf_drv_spi.c/.h just fine (i.e. calls from main) until I connect to my nRF52840 and utilize NUS. If I try to issue a nrf_drv_spi_transfer...
Hello,
I am working to implement the BLE stack for a HID keyboard, borrowing/based off the supplied example "ble_peripheral/ble_app_hids_keyboard".
Stack initialization...
In SEGGER Embedded Studio I am not able to connect to the J-Link anymore.
The error message says No idcode detected.
The J-Link commander program returns the following...
The SysTick port for NRF52 does not support tickless idle on freeRTOS, what is the reason for this limitation? Are there any known problems behind this limitation?
I tested the code below to make the board go to sleep and wake up on each button press. When I start, it draws 30ua, but when I press the button it shoots up to 200ua (a clear...
Hi,
We are developing nrf9160 sensor based product powered by primary battery(non rechargeable). Sensor current consumption is less than 1 mA.
while trying Saft LS14500...
Hello,
How can i put out the received Adv Data on the UART? Currently I get for every advertise packet the BLE_GAP_EVT_ADV_REPORT in my ble_stack_handler. Then i wanted...
I'm using the ble_app_hrs example code and added a new custom services with multiple characteristics . conn.interval 10ms- 15ms and need to get maximum throughput so i set...
I have nRF52840 DK (board PCA10056) . Right now I flashed LED blinking program on nRF52840 DK. It is fine.
Now I want do ADC operation, so I fed some external analog signals...
Hello, I am trying to send and recieve data with the M24C32-FMN6TP 32 Kbit (4K x 8bit) eeprom. My data are arrays with 16bit values and the datasheet says it cannot write...
Hi,
I have nrf9160 dev board.
It seems to me that getaddrinfo() has memory leak. If socket is closed, and call getaddrinfo() to reopen, it returns -10 (memory) error....
