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 ask you for help with programming Bluetooth module u-blox ANNA-B112. It is based on nRF52832. I have already installed Keil MDK5 with nRF52832_xxAB package, soldered the...
I'm trying to use sine function such as: S = sin(0.8)
But variable S come to zero after this code. Go to Debug mode and add a break point to view the change of variable...
Hi,
can we do the mathematical operations (like math.sqrt ) using nRF51822 ? Since, our project requires many simple mathematical operations, we need to decide whether...
Hi,
During the initialization of the SIM I have this message:
There was an error submitting your user information. This SIM cannot be activated. I am from Israel. What...
Hi All,
I have the strange issue with scanning. I have the project losely based on examples where I created peripheral adevrtising with 1s interval. This sends the custom...
Hi there, I'm using nrfutil ( nrfutil version 6.0.1 ) to dfu via ble (dongle),
Mac (10.15.2), windows (10), linux (raspbian) have been tried out to update the firmware none...
I am using the '840 to construct a small network using the ESB stack. In this design, a master (dongle) transmits to each slave and receives an ACK w/payload response. The...
I changed the way to get the upgrade program in the bootloader program and wrote a function to write the accepted bin file to the bank0 area. However, I found that it took...
Hi,
I am using BMD300 rigado board having nrf52. In my application i am tracking the ADXL362 accelerometer's motion.For this, I am combining SPI, UART(for displaying data...
Good evening,
after a very long research I couldn't find any answer.
Is (and if, how) it possible to connect an Arduino (or ESP32) via SPI, I2C etc. with the nrf52840...
Hi,Nordic Team
I tried to set 0,1,2 modes respectively in GNSS option, and the test current is as the attachment .
0 1 2
/**@defgroup nrf_gnss_psm_modes Values indicating...
Hi,
I am using nRF52832 with s112 BLE stack and SDK v16.0. I am wondering what is the most proper way for the "idle_state_handle()" method in the main loop.
Currently...
Hello,
I need to have connection status at the application level (IOS).
I'm working with the example "light switch server proxy" where the heartbeat profile is working...