Hi,
nRF9151 + Kyocera AVX P822601 internal SMT antenna: 8 dB RSRP loss vs external antenna — possible PCB layout issue?
Test Results
Test 1 — Out of Faraday cage, internal...
In our product, we use Laird (Ezurio) BL653 BT module. In some countries such product requires SRRC certification. For SRRC certification we set BL653 to DTM mode with AT...
Hi
The TWI driver has a twi_clear_bus() function but the TWIM does not.
I'm getting an I2C error, and need to do I2C soft reset. I'm doing this manually at moment but...
I recently completed a field-upgrade path from an nRF5 SDK 17.1 application (with the legacy Secure DFU bootloader) to a fresh NCS-based firmware stack, while preserving user...
Hello,
We are currently evaluating BLE Gateway (CIS, BIS) development using the nRF5340 Audio DK.
We would like to ask whether bidirectional CIS streaming is officially...
Hi, I am trying to understand the Friend and LPN behaviour. For that I am refering to nRF sample application light" and "light_switch". Below is the setup details: 1. On one...
Hi i am interfacing mma842with nrf51822. but i am not getting data. i have uploaded code. can you tell me what is problem. i don't know i am not getting who am i id try.r...
I've noticed that our custom board sometimes does not work (e.g. execute the code) when the VCC drops to about 0.3V- 0.5V and comes back on again to 3.3V.
For testing I...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
In SDK_v11.0.0-2.alpha, there is a project: examples\ble_peripheral\ble_app_hrs_freertos\pca10028\ble_app_hrs_freertos\s130_with_dfu_pca10028.
But I can't find DFU service...
to # einar thorsrud
Req: from the cap-sense board, different tap will be done by user (like 2 times tap, 3 three times tap etc). so the Bluetooth board (nrf52) will receive...
Hi
I am writing an app to utilise the new LESC feature using Diffie Hellman related pairing. I am testing the app against the Nordic provided ble_app_multirole_lesc. I...
with SDK 10 I found 2 SPI libraries, spi_w5_master and nrf_driv_spi . I hesitate between them.
what' the difference between them? and what should I use when I'm using app_timer...
I saw this tutorial:
nRF51 current consumption guide
It's specifically directed to the nRF51, but I guess the principles of Tuning Advertising parameters must be general...
i'm looking to use only one timer for two independent activities:
battery service (as in Nordic examples) and
a routine to detect a certain button press pattern ...
Hi everybody.
I am makeing a custom circuit for nrf51822 CEAA. This circuit supports ANCS and DFU (nrf sdk 9.0.0). I use only external high frequency (16MHz) oscillator...
Forgive me if there is an obvious answer to this; thanks for your patience.
I'm a long time developer but new to the area of BT in general. After a day or so starting with...
Rudimentary question about DFU; thanks for your patience.
I'm developing an app for a "headless" (no buttons, no led's) ble application which will have a companion mobile...