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...
Hi, trying to upgrade from V12.3 to V14.2 with a nrf52382 and SD 132.
I'm stuck with nrf_sdh_ble_enable returning an error code - unfortunately, the SDK documentation does...
Hello,
I will be using the NRF52 to send out advertising btle packets.
I am curious if anyone has any idea if the radio is strong enough to still send out packets if...
Hello
Is there any possibility to get receiver IF to any package pin. Even some kind of factory debug mode.
Normal receive functionality during this is not needed.
...
Greetings, we're currently working in an application where we need to connect different peripherals to a nrf52832 for a wearable device. Each of these peripherals uses a different...
Hi:
i write very simple BLE App, it used open link. No security/encrypt. 1 service with 2 characteristics.
tx(serviceTXID, rxBuffer, 0, sizeof(rxBuffer), GattCharacteristic...
Hi there,
I wonder why I have to flash my nRF51 DK using mbed build first to make the SDK build work?
I received my 2 nRF51 DK today and I tried the first one in the...
Hello
I am new to Nordic's product line. I would like to know if there is a recommended Bluetooth 5 SoC for wearable products that require years of battery life. For example...
Hello, I am trying out my pca10028 board, with s110 and my updated ble_app_uart expample. I am trying to detect a link loss: board advertises as peripheral connects with android...
Hello,
I work on module BLE LAIRD BL652 and I'm a BLE peripheral. I have tried to make a BASIC program for advertising while in a connection but without success.
As...
Hi,
i am creating a new project iar workbench 7.8 with SDK V8.1.0 and softdevice V8.0.0 using custom board nrf51822 ic revision 3 (QFAAH00),clock source as "NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION...
Hello Sir,
I am designing PCB using nRF52832 SoC it is very small and operated on AA battery source.
So please recommend me for reverse battery voltage protection diode...
Hi Guys,
Me again. I was thinking someone could provide some suggestions on my understanding of the BLE connection ( porfile, GATT, characteristic,value, etc...)
I finished...
I had successfully write a structure data to fds. After which, I would like to update the same file and record key with new values of a structure. After updating, I will read...
Imagine I have developed a MESH made up of 50 Relay Nodes and I say only Relay Nodes because any of them must be able to relay and also able to initiate a message. In my application...
Hi,
I am making a GPS tracking system using NRF51822-QFAC. I am using 2 UARTs, one of the (external) GPRS IC and one for (external) RS485 communication.
The UART peripheral...
