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...
Hey all,
I've been having a problem that it seems like a few others have had as well. When I connect my desktop computer to the devkit, it does not respond to any nrfjprog...
HI, I am using NRF52832 sdk15.2 .
I have some doubts
How to assign two to three different timers to do different functions
1. I need to read the sensor data every one...
Hello,
I'm working on a BLE central project where we want to utilize LESC Just Works Unauthenticated pairing.
I followed the recommended usage guide at https://www.nordicsemi...
Hi,
I am using nrf_fstorage_sd which uses nrf_atfifo. I would like to know what it is max usage of m_fifo queue so I can set lowest NRF_FSTORAGE_SD_QUEUE_SIZE value. I figured...
I develop an program with BLE DFU support, but we hope to merge all hex as single hex file. Then we can burn this hex file by programer (such as jlink or NRF52DK), So we have...
Hello,
I'm trying to run the s132 (and s140) softdevice while running a proprietary mesh network stack. Naturally I'm requesting a hefty amount of radio slots. I need to...
Dear Nordic,
I have an application which contain UART and BLE advertising. For power consumption i use enable disable UART.
Enable and Disable Uart:-
Is it right way...
hi..
i am using nrf52832 and a peripheral device .. temperature sensor ,my temperature values are increasing like(0 ,27,75,80...) how to get a approximate value .
i have...
Platform: nRF52832 using SDK12.2 and Keil 5.20a
I've encountered strange corner case when displaying negative floats using NRF_LOG_DEBUG .
My test code looks like this...
I want to use BLE 4.2 Data length extension to stuff more data into one packet. I am looking at the "ble_app_att_mtu_throughput" example and am getting confused because there...
Hi!!
I am sending data by BLE data received by SPI.
The interval for sending data at BLE is 64 ms.
I have written and run NRF_SPI 1 -> ENABLE = 0; and NRF_SPI 1 -> ENABLE...
can't open 'J:/Projects/..../Electronics/SDK/BT840F/nRF5SDK15209412b96/nRF5_SDK_15.2.0_9412b96/examples/ble_central_and_peripheral/experimental/ble_app_att_mtu_throughput...
If there are multiple beacons, let's say B1,B2,B3,B4,B5 and a BLE receiver. I want receiver to only wake up from sleep mode when B1 transmits(long broadcast interval) and...
Hello Nordic community,
is it possible to configure the network key, application key, node address with the help of a byte array? The keys, adresses and all the peripheral...
