When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
Hi,
What is TWI transaction manager? Is this a hardware or just software library? Does it work with TWIM (with easy DMA)?
I have a suggestion that when making an example...
I see that there is a significant drop in average current with DC/DC on, will this also be true if I already have a 3V from a BMS (with its own DC/DC) supplying to Vdd (won...
Hi, I have one service UUID ffe0 that has two characteristics: one of has UUID ffe4 use for "notify" and other one has UUID ffe5 use for "write and read". Now i want to get...
Hello,
I'm having a system consisting of an nRF52 and another processor, with UART between them. If the other processor restarts, nRF's RX line will be pulled low for some...
Hi,
I'm trying to add LESC pairing mechanism to NUS.
Now when I'm doing pairing between nRF52DK and Phone(Android) via normal way, the behavior is what I want. Please...
Hi there,
I am using nRF5_SDK 16 with PCA10056 and Fanstel EV-BT840-V4. I am testing my example with BT-840 module as we will use it for our final product.
First i tried...
SDK: 15.3.0 Sample: ble_app_hids_keyboard Device: EYSHJNZWZ (nRF52832)
I have a question about HID. In the sample program "ble_app_hids_keyboard", the following values are...
SDK: 15.3.0 Sample: ble_app_hids_keyboard Device: EYSHJNZWZ (nRF52832)
I have a question about HID. In the sample program "ble_app_hids_keyboard", "report_map_data" stores...
Hi,
I am measuring a frequency using the ADC (200ksps) and saving the samples into an array. I save 128 samples then move that data to the fft module to check what the signal...
Currently, debug probes - STLink, JLink, OpenOCD, Black Magic Probe, DAPLinkda, etc. connect to a host PC over a USB, serial or network port and then connect to a target ...
I get ACI_BOND_STATUS_FAILED_ENCRYPTION_KEY_SIZE error when I try to bond my nrf8001 peripheral to my iPhoneX. The min and max key sizes are set to 7 and 16.
Any Idea?
Hi,
I'm using the ble_app_uart example as a starting point for my project. Basically I want to program the nRF52 DK to receive data from another device via UART, store them...
Hi Nordic,
I'm working on a project with very limited board space. I'd like to have the option for both SWD and GPIOs to share the same test points on the board. Ideally...