I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...
There are 10000 posts with this problem. I have imported someone else's project, and the file exists at Keil_v5\ARM\Packs\ARM\CMSIS\5.7.0\CMSIS\Core\Include exactly where...
Hi all,
I've been trying to get BLE up and running on our custom board after writing firmware on the DK. I am able to get other peripherals on our board up and running ...
Hi guys,
I am a long term Nordic user since SDK12 and i know that Nordic does not support MbedOS by any means but maybe you could help me try and understand what needs to...
Hello,
I've a very strange problem with the nrf52838 chip in the ISP4520 ( https://www.insightsip.com/products/combo-smart-modules/isp4520 ).
The nrf52832 advertise...
Hi,
I need to sample ultrasonic signal with PDM microphone. I would like to use NRF52840 PDM module and configure it for sampling frequency of 96KHz. Is it possible? Also...
Hi,
I have used BMD301 BLE chip. I have connected one wifi chip "ESP02" with BMD301 chip via UART.
I am using nRF5_SDK_15.3.0_59ac345 for my ble application firmware...
Hi,
we have a nRF52 DK getting sensor values from a Sensor connected as SPI-Slave. Everytime there is a new Sensor Value (~20 ms) the sensor generates an Interrupt and pulls...
Hi,
While upmerging our project from SDK 15.3.0 to 17.0.0 we faced an issue in the sdc_handler due to usage of a NULL pointer.
In the case SDC_EVT_INIT if the p_event...
Hello,
I am experimenting with PWM for time, I have a setup where I am using three sensor which gives analogue output.
I am using a mux which has two control pins, so...
Hi all
I have just started doing some work with the nRF52840- DONGLE (and hence nRF52840-DK) and am new to Nordic devices, tools, BLE, etc.
Basically for my first application...
I'm attempting to increase the size of the TX Queue in an effort to increase notification performance.
I'm using nRF52840 with an S140 soft device. I use Segger Embedded...
Hi,
I have two nRF9160DKs and I noticed that the SHA-256 digest of the credentials looks very strange
Questions:
1, Why are the digest so repeating? I have installed...