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 want to change my gzll receivers from NRF51 to NRF52. But I've done some performance testing to see if it is really necessary. And here is my problem:
When using...
Can we update DFU firmware through cloud. without selecting the zip file present in Internal Storage of Phone.
In nrf connect app present in play-store its asking ZIP file...
Hi! I use ICM-20602 motion sensor that is similar to MPU6050. Its communication type is also I2C.
I made I2C wrapping module for ICM-20602. In the module, I added i2c_write_byte...
Hi,
I searched devzone and it looks like the Nordic mesh PB-GATT will be available sometime this year. However I'm wondering if it's possible to use Silab's BLE mesh Android...
Hi,
I am using nrf52832 sdk11.0.0 s132 v2.0.1.
In my code app_timer uses RTC1.I want to use RTC2 for counting 1 minute without disturbing the ongoing functionality....
I'm trying to send a string of bytes from nrf51822 to an android device.
I'm using notification.
There will be potentially thousands of data to be sent from nrf51822...
Hi All,
In our use case ,we have connectable and non connectable mode(beacon). As i understood we have to use 2 different channels to advertise the data. can any one help...
I'm working on a BLE Peripheral device with a GATT Server based on Serialization (SPI) and STM32. The Peripheral device also has a BLE Central Device to connect to another...
I have a nRF52832 reading sensors periodically using SDK14.2. The device uses a custom BLE service to upload the data to a mobile phone. That all works great, but now I would...
Dear all,
I'm developing a multi-peripheral application based on PC_BLE_DRIVER and heart_rate collector application. Connectivity firmware running on the nRF52840 development...
Hi, I generate a pwm signal using timers and PPI on NRF51 and use BLE and rbc mesh in the background.
I have notised about 10us jumps in duty when the BLE or RBC stack enabled...
I have set up A 6lowpan environment and can control the gpios of nrf51(nrf51422) kit to swicth on and off leds on a local area network using copper coap.How should i access...
I am learning from scratch on IOT development. So, please be kind. I have nRF52 DK and have developed what I need using mbed os online. It was simple to get it up and going...
Hi,
Is there any example project how to create virtual com port
using the nRF52840 USB interface? (Without using an external MCU like on the DK)
Thanks,
Miki
Hello,
I am trying to sample capacitance change as well as voltage change from sensors. I combined the simplified sample codes from Csense_drv and saadc sample. If I only...
