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 have a GSM application connecting to MQTT that worked previously refuse to work when I picked it up again to improve on it.
To make sure there isnt a problem in my firmware...
The following settings are required to make I2S compatible with the AK5720VT.
MCLK=12.288MHz BICK=1.536MHz LRCK=32kHz Bit length=24bit
CONFIG.RATIO >= 2 * CONFIG.SWIDTH...
Hi All,
I have recently design my version 2 of my custom board, everything seems to work on the board, the firmware is fully running but i can't see the BLE device on...
Hi,
I tried to send audio with a sampling frequency of 44100hz, up until this point I had been sending the default sampling frequency of 48000hz.
For this I change the...
Hello,
I am trying to make radio test functions work on my 52840-based board using SDK 2.5.2. After some effort I managed to create a simple test program that partially...
I want to use P0.00 and P0.01 as UART pins. I have shorted the SB3 and SB4, and opened the SB1 and SB2 for using the pin as GPIO.
If I am enabling the " CONFIG_BOOTLOADER_MCUBOOT...
Dear Sirs!
I need that low power comparator on input AN7 reset controller when device is in OFF mode when voltage on pin drop below threshold.
Controller powered +1.8V...
Hi
I have a project base on Nordic sample code "v2.5.0/nrf/samples/cellular/Location" and it fully work with SIM card
now I need to use Onomondo softsim to replace SIM...
Hello, I'm getting these series of events often when the client is sending data to client. This is the the nRF SDK 17.
If I add a delay on the client app that is talking...
Regarding the description key Page 10 of the document "nRF Sniffer for 802.15.4" states "00112233445566778899aabbccddeeff", but does it differ for each device? Also, if there...
Hi there
During updating nRF5340 over bluetooth, really rarely the CPUNet fails to be updated over bluetooth.
The mcuboot says: Image in the secondary slot is not valid...
Hi Team,
I have 1 nRF5340 Audio DK. With the steps mentioned in below links, I configured Json file to Headset and I'm able to achieve it.
Setup Details : Headset - nRF5340...
Hello,
I'm using nrf52840 together with HX711 24bit ADC . My application samples the ADC every 12.5ms (80Hz rate) and the sample is sent out via BLE notification. The HX711...