How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
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...
I found we have to build micro-ecc.lib on our own, so I follow the below link to start to build it:
Installing micro-ecc
Then, we meet the below to errors:
Makefile...
Im based in the example of SDK12.0 - MULTILINK_CENTRAL and i have to know the RRSI value in dbm if it is possible from the peripheral device that is connected to me but i...
nrf52 restart from main() after hit breakpoint and enter [Go] under IAR. It looks like there is some kind timer or watchdog to reset system etc... if stay in breakpoint (...
I have a PMIC in the device that I am building which will eventually take over from the battery. But I have to program the PMIC on startup, using the nRF52. I am trying to...
Hi,
It's the first time I'm developing a piece of code using Nordic SDK, so my question may be absolutely dumb!
We are working on a bl652 (with a nrf52 inside). I just...
I have an application that uses many TWI buses, on many pins of the nRF51. I handle this by initializing/uninitializing a single TWI bus for different transactions. I ran...
in S130 v2.0.0, what is address of central?
i'm using ble central tutorial successfully compiled.
in case of ble peripheral, i can set address whenever running.
so ble...
Dear Nordic Team,
Thanks for supporting.
How to add custom characteristics in standard service ?. I am using Health Thermometer service (HTS). I want to add two custom...
I mounted the chip onto my own PCB, I am not using a devkit, My board is "Wireless-Tag WT51822-S2", it is a module that uses nRF51822-QFAA as (SoC)
I am the ble_app_uart...
With the release of SDK 12.1 the Serialization of S130 is now deprecated.
Within SDK 12.0 the Serialization was supported NOT at all.
When this is true, I have to stay...
I'm trying to stream data in real time from 4 different sensor units to my computer. Each of these sensor units has an NRF52 module that sends data at 50 packets per second...
Hello, I'm south korea student in dongguk univ.
and i want to know how can i send the message on my board(not use the terminal ).
I use the keil uvision4.0, nrf51822...
Hi,
I want to change eddystone_url_data parameter in experimental_ble_app_eddystone (C:\Keil_v5\ARM\PACK\NordicSemiconductor\nRF_Examples\10.0.0\ble_peripheral\experimental_ble_app_eddystone...
