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...
I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
hi is it possible nrf52840 interface with gsm modem for iot applications. i have connected 4 sensors in nrf 52840 .i want send data as api call using gsm (UART) in nrf52840...
Dear Sir,
I have comptibility question of nRF52 or BLE 5.0.
Although BLE5.0 is backward compatible with BLE 4.2 but it's seems no document tell user about how to handle...
Hello,
I put PCA10040 Development kit as peripheral advertising packets, for example, every 100ms.
When we scan with "nRF connect" App on the Galaxy S4 phone we can see...
I have seen that the recommended method for switching between connectable and non-connectable advertising is:
sd_ble_gap_adv_stop() ...change advertising structures as needed...
I was given the source code to the nRF Toolbox DFU only app in order to implement its functionality within my own app. Using the nRF Connect app, I've connected to my hardware...
Hi all, I am trying to get my head around UART Flow control on Nordic nRF52. I cannot get it working... I have two nRF52840 dev boards (PCA10056) that I connected between...
Hi,
When I try to stop ADC sampling, the adc driver keeps on busy. The function nrf_drv_saadc_is_busy() keeps returning true.
I looked in other posts (like this one )...
Hi,
I'm new in Bluetooth an I want to try a "simple Project". I've connected 3 Peripherals (all nRF52832 Chips) with 1 Central (also a nRF52832 Chip) together.
With the...
Hi everyone, In the Power Management example, why the HFCLK still running when the uC is in sleep mode ? I see it in the HFCLK_STAT => State = 1 Shouldn't it be disable to...
Hello,
I have been using nRF development boards for a while, but recently I am currently unable to program my nRF52 development board, due to driver issues. The following...
I am trying to make TWI calls from an APP_TIMER event. However the TWI calls are failing. I can see that the twi message is sent on an oscilloscope, but the function never...
Hi,
I got the same error as the guy in this question: https://devzone.nordicsemi.com/f/nordic-q-a/26041/compiling-error-for-nrf51-development-dongle
I use another example...
Hi, I would like to use a nRF52 demo board, to test nRF BLE with a HX711 and screen. The nRF module is powered 3.3V but the HX711 and the screen are 5V powered. Is the bus...
Hello,
I am in the process of evaluating the '840's BLE and CryptoCell for a low power application. I am using a modified version of the ble_app_template example, with custom...
Hi guys,
I have custom MAC address that saved in the flash. I used the sd_ble_gap_address_set function to change the Mac address to my custom address.. I found out in phone...
