we also produced self PWM for ADC wave form testing. when we stop transmission, we will get good waveform out, but when we starting transmission, output waveform shape is...
Dear Support,
I have some troubles with the Evaluation Kit for nRF51822 :
I use the broad as a central role with S120_nrf51822_1.0.0_softdevice.hex and example...
Suppose a nRF9E5 transmitter is set for continuous transmission on a channel.
A nRF9E5 receiver listening on that channel:
finds carrier and sets CD
finds address...
I will be deploying my nRF51822-powered devices into the field and the end user will not be able to have any physical access to, for example, power cycle the board. I need...
Hi,
We are using the ble_app_uart example in evaluation board to read data from some sensors and send it to the nRF UART V2.0 in Android 4.4. Every 20 ms I am trying to...
I am try this at nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\s110\ble_app_hids_keyboard
Firt I connect to Android device and keep one whitelist.pp_addrs and one whitelist...
Hi,
I am using the nRF52832 and I have been trying to meausre the centre frquency on a specturm analyser. But, the centre freq on the specrum analyser is 1.81GHz when it...
Hi,
I have a beacon that uses 4 AA batteries, each has 1.5V and 2600 mAh. When connecting the board to the PPK I get the attached measurements when doing a lot of scanning...
Hey guys. We are using the NRF52 with SDK 13.0.0.1-alpha.
If we connect the NRF52 to our own android or iOS APP we have some timing problems with notifications. When the...
I would like to reduce current consumption on my beacon and I wonder if it is possible to disable sending scan response. I know that it is not a huge difference in a single...
Firstly,the RedMi Note3 DFU failed used by dual bank,however Xiaomi3 Phone can DFU successfully.As the question link text mentioned,the process of the RedMi Notes3 Phone DFU...
Hello Nordic,
i am trying to interface BME280 with nordic nRF52 and SDK v 12.02 using twi_peripheral but i am unable to do it. here in example they are using ls75b whereas...
How do you setup "immediate Service Alert" Client on iOS, in order to get notified when an action is taken on the bluetooth peripheral ? (eg. Button press)
Hi all, I have an nRF52832 which is woken up every 15 seconds by an RTC to check for ESB broadcasts. The nRF52 will be powered continuously until the battery runs out, so...
I want to use AES ECB block present on nrf51 and nrf52 boards for resolvable private address (RPA) generation.
Are there any measurements about how much battery the...
I have an iot/coap environment setup and i want to read input voltage connected to p0.01.I can read the input in terms of resolution(0-1023).I can convert this values to voltage...
I have a project where I need both TWI instances as well as an SPI instance to be used with sdcard and fatfs libraries. When I try to compile I get the error: SPI1_TWI1_IRQHandler...
hi,everyone,I want to ask who know why sdk11.0 ble_ancs push message without push App Identifier?I look at the print, push the news started with tittle ,and the "p_attr -...
Hi!
I'm trying to use a custom made whitelist with my scanning device, but no data is arriving.
Is there something I need to do at the advertising devices? Here is the...
Hi, I have a custom board based around the nRF51822 which I programmed via SWD with the ble_app_hrs_pca10028_s130.hex image provided in the SDK, however when checking with...