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...
Hallo,
Currently I'm investigating different Low Energy Bluetooth solutions for our healtcare products that we build in Televic Healthcare.
So here is the setup I...
Hi all,
I'm a little bit confused with the Thingy52 SDK.
The "ble_app_thingy_s132_pca20020" code is the same of the "thingy_v2.1.0.HW_1.0" precompiled hex file?
Thanks...
Hello
I would like to know GPIO leakage current, especially when the GPIO outputs Low
state, leakage current flow thorough the High side MOSFET parastic diode.
If nobody...
Hey everyone,
I have measured input current by different transmit powers:
nRF52840
Equipment: Konstanter ssp 240-40 as current source
Agilent 34401Afor current measurement...
I have a custom board on which I am running the fatfs example from SDK15.2.
On SD Card Initialisation the CMD0 response is unexpected: -
Where the NCR would be expected...
Hello-
We are preparing a product for Bluetooth certification. Our design has a PCB antenna and the the testing house is requiring an SMA RF coaxial cable to interface...
I have created a custom Board Support file for my custom Board But it is not able to advertise the BLE Device after I use My custom Board File. When I use Predefined board...
Hi,
We need to collect sensor data from nrf52832 and after some processing, we plot data and generate some notifications etc. on smartphone app.
Shortly we need to design...
Hello, I'm developing a solution by using MESH SDK : nrf5_SDK_for_Mesh_v2.1.1
There is an ASSERT on access.c in nrf5_SDK_for_Mesh_v2.1.1_src\mesh\access\src\ as below. ...
SoftDevice: S132_5.1.0
Environment: I have 1 Device Advertising and about 200 "tags" waking up every 10 seconds and scanning for those advertisements and connecting, I have...
HCI for NRF52840
Hello
I m using a STM32 + NRF52840 and i have a mbed project in my STM32 and i want to use The NRF52840 only as a Bluetooth component, is there an example...
Hi guys,
I compiled the openbootloader example and when I try to run it on NRF52840, It gives segmentation fault:
(gdb) load nrf52840_xxaa_debug.hex Loading section .sec1...
Hi,
I'm having problem with the example code in the "Bluetooth low energy Services, a beginner's tutorial", the code was downloaded from github.
I'm using SES V3.5 for...