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...
Hello everyone,
I am using Thingy53 device, For the first time when I switched on the device, The LED light blinked twice but since after that it is not blinking also...
Hi!
I'm testing ubidots, which require a 35 character long username to connect with MQTT. This fails, and mqtt_connect gives me error -12 ENOMEM. The same code works fine...
I am working on a nRF52833 chip and using nRF SDK 16.0.0 version. I need to analyse the memory footprint of my project for which I would need access to .map and .axf files...
Hi
I'm new to programming and recently started working on nrf52832.
I'm working on a wearable device that monitors patient's vital. I'm using MP34DB02 digital microphone...
This might be a dumb question. I have a pretty simple modification of the mqtt_simple sample application on an nRF9160DK where I have subscribed to multiple topics. I see...
Please point me to a good tutorial page or video beside "tutorial on SSL.com". I would like to learn step by step on how to make certificate like this for nrf9160 using http...
I'm trying to figure out a way to monitor the TX data when using the SPIS. When the slave is requesting to send data back to the master, we are asserting a pin. When all of...
Hi,
I'm implementing a composite hid device using nrf connect sdk 2.0.0, I do checked the hid-cdc and hid alone samples but there's still few problems that confused me...
Hi , i have been trying to implement the DS18B20 sample of zephyr taken from GitHub
I am having a lot of trouble in building the code , it comes up with very different errors...
Hi,
I'm using ble_app_template to implement my custom solution. I can read battery values, but I can't read custom values.
As a reference, I'm using ble_app_cscs, and...
Hello everyone. My task is to integrate eRPC -server to my board(nrf52840dk), eRPC-client to my PC and use UART as transport. The problem i faced is eRPC supports only CMSIS...
hello,i now get the IQ sample frome my DF demom, i use the putty to see the IQ sample.Here is my output in putty.
yes,i also use the python procedure of serial moudule...
I generate my keys add the dfu_public key to the example found in examples/dfu/secure_bootloader/pca10056_s140_debug. I then connect the board, erase all and program my nrf52840...