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...
In some other non-hid app, I can set APP_ADV_TIMEOUT_IN_SECONDS to zero and it worked fine. The advertising is continuous.
But in the ble_app_hids_mouse, I set both APP_ADV_FAST_DURATION...
I would like to use AT commands to get the IMEI on a custom board that has an nRF9160.
In preparation for this I am attempting to get AT communication working on a NRF9160dk...
On the nRF52811 with the s140 softdevice, what is the set of things to do to enter very low power sleep state? The product specification says ION_RAMON_RTC is 1.5 μA. What...
Hi
there I'm having a problem in compiling an application using nrf_esb and app_timer.
./nRF5_SDK/components/properitary_rf/esb/nrf_esb.c:900: multiple definition of...
hi all, i'm trying to disable uart for lower power consumption, i've disables it with: but when i measure the voltage on the rx pin i see 1.8V (this seems to consume current...
Hi,
I'm starting with nrf52 dk using Keil ide for ANT+ applications...
I tried to run an example inside the sdk folder and I have problems with app_error functions....
I have been running a mqttsn client publisher/subscriber project (based on the example) successfully for some months. I have added a mosquitto broker to the raspberry pi border...
We are designing BLE products based on the Nordic nRF52840 chipset and star network topology which are used indoors, according to the network structure, we use one Master...
Hi everyone!
I've been using the Power Profiler Kit quite successfully for the past few months. Instead of using the UI, I designed a python app to communicate with it ...
The nRF52840 OPS 0.5.1, describes nWRITE,BLOCK as the amount of writes allowed in a block between erases, and lists nWRITE,BLOCK = 403 Maximum.
It looks like 8 blocks are...
Hi folks,
I have a system basically working with the following setup:
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(7.5, UNIT_1_25_MS) #define MAX_CONN_INTERVAL MSEC_TO_UNITS...
adv interval : 1s
adv data: 31byte
tx power: 0dBm
MCU: nRF52832
The power consumption is shown in the figure below,when I don't enable DCDC.
what may be the reason...
I followed all the steps mentioned in the tutorials. In one of the threads, it was mentioned to erase all and then try and it worked for some. I tried that as well. Still...
I'm using nRF Connect v2.6.2 on windows 10 using an nRF51 dongle to update my target OTA. Target is an nRF52832, softdevice s132 v6,1,1. The DFU process takes like forever...
Hello,
I work in a startup, and we aim to measure cooling conditions in data centers.
For that, we have developed customs boards with a nRF52840, and we are using Bluetooth...