Is there a way to recieve more than one write callback for a given characteristic, per radio session? It seems like I can rx 1 time per attribute per radio session and tx...
If it can work with iOS blue setting will be better
I need some reference to dev hid device in IOS
but I can just find my device ,connect ok but not work.
I need to create timeout below 1ms. I would pretty much like to use timer for that because I do not want to hold the cpu inside cycle. For me it is not important the exactness...
Hi,
While testing the device firmware update through the nRFtoolbox android application, i get "device has no required service" error more frequently.
I use latest version...
I'm having some trouble successfully entering ON,IDLE mode. I have pared-down my application to do the following:
Initializes the app_timer using the scheduler:
...
I want to control GPIO toggle by PPI. Timer1 is in timer mode. CC[0] is 1000, and CC[1] is 8000.
I use compare[0] to toggle gpio18 by PPI. I also want to use compare[1] to...
Hi,
I use two evk board to connected and test the uart serialization sample(ble_s110_serialization), one is ble_app_hrs and one is ble_app_connectivity. But I have one...
To @Hung Bui. Hello sir. I am new to NRF51 microcontrolers and I am trying to use Pstorage in my written code. I have noticed this post of your's:
I am using nrf51422...
Why do I call this bluetooth send function (ble_nus_string_send )return values is 04 not 00(return sd_ble_gatts_hvx), why will appear this kind of circumstance?When I send...
I am using nRF Connect with nRF52 and need to use UART over BLE to send command to the device but I find that you can only use hexadecimal input and get hexadecimal output...
I have nRF52 and working with SDK11.
I can start BLE advertising and nRF Connect app will detect everything correctly.
I only have an issue: I want to advertise for...
Hi there,
I am getting some error in my SAADC measurements and I believe it's due to the R_INPUT forming a parallel resistance with my voltage divider at the input (the...
Hi,
I am measuring the current during sleep, after the sequence, __WFE();__SEV();__WFE();.
With NRF_LOG_ENABLED set to 1, the current is about 486 uA. With NRF_LOG_ENABLED...
Using: nrf51822, SDK 10.
My application needs to use TWI0 and SPIS1 at the same time. However if I enable TWI0 and then SPIS1, when I run nrf_drv_spis_init() I get NRF_ERROR_INVALID_STATE...
I am working with the SDK 13 ble_app_att_mtu_throughput example. With the SDK 12 example, it seems to require the SoftDevice to be loaded with the arm5_no_packs example. The...
Hello,
I'm designing a project with the nRF52832 where I will use an external SPI ADC.
For debug and backward compatibility purposes, I also plan to use the SAADC.
The...
in the ble multilink central example i'm not understanding where the functions in client_handling.c are exercised some don't seem to be used in main or client_handling (client_handling_dm_event_handler...
I am reporting a problem that might bite you. A Waveshare NRF51822 module comes with a "Passed" sticker on the back (solder side) that makes the module stand off the mother...
Hi,
We are trying to have a thin beacon design. But we are having difficulty in finding low profile inductor for dc-dc converter matching the recommended value of 10uH...
I'd like to use Logic Analyzer in uVision 5.2 and ulink2 for analyzing variables in nrf52832.
In my understanding, I need to use SWO and configure Trace setting properly...
Hi,
I need to capture a demodulated, manchester encoded signal (16 bits long). The data rate is about 50kHz (give or take). Currently, I am configuring a PPI with timer1...
