I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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,
I am new to the BLE environment. I am trying to connect my smart phone with nRF52832 development kit over BLE. Here, my smart phone should be able to send some user...
I am looking to extend the RTC beyond 24 bits using the Overflow interrupt.
The code in the rtc handler would look like:
static void rtc_handler(nrf_drv_rtc_int_type_t...
I have been trying to install the new version of everything Nordic 52.
That starts with the MDK 5.18.
To make sure I don't have an update problem I do a clean install...
Hi,
I want to know about mathematical formula to find / estimate the battery life of Bluetooth beacon containing NRF8240. If chip is transmitting at +8 dBm and have 1000...
Hi,
I add the NUS in the ble_app_hids_mouse example which the sdk version is 14.0.
There are four services in the project: dis, bas, hids and nus.
When I connceted the...
hi all ,
I am looking out theory about SM layer in BLE . I read CoreV5.0 but I do not understand much about pairing , bonding , STK , LTK . Can you give me some document...
Can the link between two devices communicating with each other via NRF24L01+ be improved by using Tx messages with no ack (W_TX_PAYLOAD_NO_ACK) instead of messages with ack...
Specifically, sinking a Cree C503B green LED (Vf 3.2V at 20ma) from a GPIO configured for high drive, without a current limiting resistor, from VDD 3.6V?
Figure 23 “GPIO...
Hello All
We are using nordic thread sdk's sample simple coap client and server.We want to ON/OFF LED of coap client from coap server.
Can any one help how we can achieve...
In SDK13, the initialisation of the low frequency clock used to be done within sd_softdevice_enable . In the SDK14 version of nrf_dfu.c , the LF-clock is already initialized...
Hi, I want to use the AES-CCM of nRF52832. But it can not work with the softdivice. I have read the following question and answer.
https://devzone.nordicsemi.com/question...
Hello All,
I have a peripheral device where one service with 4 characteristics is implemented.
Out of these 4 in 3 services notify is enabled.
Now I want to subscribe...
I have a situation in which a central device (A) must be able to receive from a power constrained peripheral (B) with very low latency, but likely at long intervals.
To...
Dear Nordic,
I tried to download the new SDK nRF5-SDK-for-Thread from here:
www.nordicsemi.com/.../60504
However, when I clicked on it I only got the TTM 0.11.0.
...