Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
I refer to nRF52810 product specification v1.1 In all reference designs, C6 is N.C.
I would like to know why this is the case?
I would also like to know why it is included...
Hello,
I am using nRF52832 DK for my project which is to receive data from arduino and send it to a smartphone using BLE. My issue is that i make nRF52832 to enter Bootloader...
I have nRF52832 as my development kit. Currently I am testing various ble peripherals i.e Blinky , beacon etc. Now I have to test IR sensor with the Development kit .I aim...
Hello,
I used a the ble_app_template example to set up advertisements on the PCA10040 board and on our custom board. Both boards function and have good signal strength....
I build ADC example from SDK12.3.0 for nRF51822 QFAA chip from source. I used custom board and changed the pin configuration for UART logging in sdk_config.h file.
But unfortunately...
Hi All,
I am performing OTA-DFU - Generating our own packages on my nRF52DK. but when i am trying to generate zip but i am getting some error , below is the screenshot for...
The aQFN app note suggests a fully open paste stencil (opening size = pad size) for the center pad of the aQFN.
Our assembly house is suggesting a windowed paste stencil...
Hi,
I have a question about the time period being used as waiting time before sending a reliable message is retried, this until an ACK is received or the timeout is reached...
I have a Central + Peripheral running on the nRF52840 (SDK 14.2.0). I have it configured to automatically connect to 3 Peripheral connections and allow 1 Central connection...
APP_TIMER_KEEPS_RTC_ACTIVE SDK15.0 rtc does not start unless at least 1(one) timer is active
I have set APP_TIMER_KEEPS_RTC_ACTIVE=1
And I want to use the app_timer module...
In all instances where the internal function `hash_algorithm_get()` is used in `cc310_lib_hash.c`, the output is inverted, making would should be a successful return code...
I have designed my customized board according to the nordic's indications, adding the components for the LDO and DCDC recommended. Now I am selecting the battery that I will...
Hello,
We are developing a system in which a device controls a host and the device should receive status information about the host. In some use cases multiple hosts are...
Hello everybody !
I am looking to connect 2 cards nRF52 DK (52832) with another card nRF52 DK (52832), a little like the fact my smartphone with these 2 development cards...
