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...
What could be the reasons that cause DFU Bootloader BLE not working with nRF Connect on PC (while it works with nRF Connect on iOS)? I have had various problem with nRF Connect...
Hello
I am using Seggar Embedded Studio for ARM V3.4 and nRF_SDK 12.3.0. I am trying to understand interrupts and interrupt handlers.
The interrupt request for Watchdog...
Hi I would like to ask you for advice on how to solve my problem with Ble and the timer I have nRf52840 and I am trying to add a timer to examples\ble_peripheral\ble_app_uart...
Hi,
Setup:
I’m sending ble packages with around 80 Hz from an server (nrf52832 sdk 15.2) to a client device ( nrf52840 sdk 15.2)
One Ble package consist of several...
This is probably a simple question for an experienced nRF developer.
I have a demo going where I can read or write any of four characteristics I have set up on my peripheral...
Hi all, i have two units of a custom board project that i made.
In the first board, I plugged the pins in the right position as you can see in the figure below, a). nRFgo...
Hello everyone,
How to read Scan Response in contentiously in every 5 seconds in my ble_app_uart_c. i can advertise ibeacon and Scan Response data both in same code but...
I am using SDK V15.2 and opened the SES example for dtm. I modified RXD and TXD pins since i use a custom board based on the nRF52832.
When debugging the example on the...
I need to implement DFU in a Unity3D application. I have tried to integrate the Android SDK library that you have on github. They are not integrating very well.
I have a...
Hi,
I wish to have a complexity comparison of SILK and CELT (CPU usage and memory footprint) as I have an audio (speech) encoding and decoding application, I think this...
I've spent several days reading all the support tickets regarding this issue but I cannot find a resolution.
I am running the ble_central_uart example with SD 132, SES 4...
I have two nrf52 where i send a msg to one nrf52 through ble_app_uart that has SPI Master(This is working).
I am trying to configure one more nrf with ble_app_uart with...
Hi ,
how can we use different 128 Bit UUID for different read/write in pc-ble-driver-py? for example i defined three different characteristic 128 bit UUID for different...
Hi Team,
Need help on FDS module, , my need is to Read/write the some of the crypto related keys and session values to some fixed database.
we have come across the FDS...
Hi all,
Me and my team are investigating our options regarding DFU after our product has been sold to a consumer. We wish to enable DFU over USB. Whenever the device is...
