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 been trying to find a document referenced here 1 .
The reference reads as follows:
For more information on both modes, see sd_app_evt_wait and the nRF5 Series...
Hello there,
Finally received my 2 DK's after developing my other 2 custom PCBs and not knowing how to program them without the arduino IDE and now I'm struggling to program...
There seems to be a bit over a bug with the freeRTOS example. If you add the Scheduler to the BLE thread, Scheduler events will always be one event behind as there are only...
I am attempting to create a packet sniffer for an openthread application. I intend for it to run by sitting on the network and processing all packets with the coap_deafult_handler...
Hello there,
my goal is to wake up via NFC from POWER_OFF Mode (sd_power_system_off). Then right after the nfc wake up sending some information (e.g. UUID) via the NFC...
As a I2C master, I need to be able to read some data from a slave device the length of which I do not know beforehand. First byte I receive from slave is a packet type and...
Hi,
I want to estimate the battery life of my nRF52 device operating on a battery of capacity 800mAh. Device will advertise once in every 10sec with an advertising interval...
I print every 500ms. Here are the last few
timers:INFO:millis 510500, cnt 16728087
timers:INFO:millis 511000, cnt 16744474
timers:INFO:millis 511501, cnt 16760868
timers...
Hello,
I have measured the current consumption of the timer example of SDK13.0.0 with PCA10056.
With timer prescaler set at 16MHz i have 1.28 mA
With timer prescaler...
Hi, I got nRF52 DK PCA10040 device(s132) and follow the steps from devzone.nordicsemi.com/.../ to use arm-none-eabi-gcc(version 5.4) to build examples like blinky. I can successfully...
Hello,
I was wondering whether or not it's possible to achieve a data rate of 160Kbps using BLE4.2. According to what I have read on this nordic blog it should be feasable...
Hello!
I hope this question has not been asked before - at least I can't find it.
I do have an application with two vender specific services (128bit UUID's) and I want...
Hi,
i am doing ble_app_beacon code on nrf 52832 with sdk 11 and s132. the packet, its advertising should only be received by the device whose bluetooth address we are providing...
