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...
Hi... i am using nRF52832 ,15.2 version sdk . I want to send the data from esp32 to nRF52832 through Rx ,Tx . I have done connections rx,tx,gnd . I can able to transmit the...
Hello,
I'm trying to setup an automated pairing for two devices. My peripheral device is advertising and should only allow connection requests from a specific central device...
I'm developing a multirole device to connect to a peripheral device that we developed earlier.
The multirole device when acting as a central device it scans for the peripheral...
To the kind attention of Nordic support team,
1. I have been using secured gazell library, where master is always polling in order to receive a message.
I was wondering...
Hi!
I'm developing a TCP server running on th e nRF9160, but there seem to be a problem with accepting clients. The code is very simple, just calls to socket, bind, listen...
Hi. I've developed a PCB with nRF52832 and I'm having problems with the circuit. When I put my hands closelly of P0.00(XL1) and P0.01(XL2) the bahavior of nRF changes... I...
I apologize if this was already answered elsewhere - I didn't find it.
I have been digging in the nRF52840 source code for the serial_nRF52840 SES project to understand...
Hello, I am trying to switch from BLE_GAP_PHY_AUTO to BLE_GAP_PHY_CODED in runtime, and I need to change central event length via sd_ble_cfg_set(). Whether is it possible...
Hi, i am working on servo motor using nrf52840 development kit , i want to run parallely four servo motors , i have merged the ble_app_uart+pwm library example ,
1. As of...
Hi,
I am using an external RCT module to provide 32.768kHz square wave for the nRF52832 instead of an external crystal oscillator. When the system goes to deep sleep mode...
Hello,
I'm aiming for flashing the nrf52832 via SWD via my own SWD implementation.
I'm good so far with the init phase, reading IDCODE writing registers. Long stort short...
Hello,
I am using nRF52840, SDK_16.0.0, SoftDevice S140 V7.0.1 and Segger for flashing the image. I am using ‘ble_app_blinky’.
I modified ble_app_blinky with below...
I am getting ecg data from max30003 IC which i want to send via BLE to and application. I have the Ble code working on its own and the SPI code to get ecg data working on...
Hi,
I am working on nRF52840 (dongle) using nRF Connect for desktop on windows 7.
I was able to write the "peripheral/blinky" example and was able to see the output...
