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 am investigating Bluetooth mesh examples, which you presented, and I faced with incomprehension with initialization of struct bt_mesh_elem . Can you explain the meaning...
Does Nordic have an examples for implementing symmetric encryption at the BLE application level? I'm trying to understand how best to start because the Bluetooth LE security...
I have a setup where nRF91 and nRF52 on nRF9160 DK have to exchange ASCII strings over UART. nRF91 runs Zephyr and nRF52 - nRF SDK for Mesh.
When nRF52 is unprovisioned...
We are using mesh SDK v3.2.0, nRF SDK 15.3, nRF52840 DK and SES as our IDE.
We had a mesh network with around 5 devices and after a while 2 of them just stopped sending...
Hi,
We are developing the product based on nRF52840 Chipset for BLE Application. We are using the Segger Embedded Studio ( SEGGER Embedded Studio for ARM Release 3.52a)...
I implemented some NonSecure Entry functions in my app and I've noticed that if I check an object using the cmse_check_address_range intrinsic that the check fails if the...
Hi,
I have Six services in my project to be advertised and make available to the user at a time.
first I have faced problem while advertising two vendor UUID's.I solved...
Hi! I'm planning out the connection of a micro-SD card through SPI to the nrf52840. I'm reading through the documentation and when powering the nrf using a Li-Po through VDDH...
I am trying to add a bootloader to my application which I have currently running on an nrf51822 with SDK12.3.
The first problem was that the examples from SDK12.3 do not...
Sir,
I finally got success to measure the Coin Battery using a analog INPUT of NRF52832, AIN4
i am using ZEPHYR RTOS
I have to connect the BATTERY VDD to the AIN4. ...
Looking for Android logging utility where host processor on a Mobile device is interacting with nRF52810 over UART interface.
or Provide a stand alone logging utility that...
where can i search whta the mean about <type>,<result>,<datatype>,,<qos>,<retain>.....Etc.
EX: #XMQTTEVT: 4,0
I Don't know what these values represent
thanks
...
Hi,
We're using a 51422 with s130 to perform OTA DFU.
Both bases for bootloader and central are from sdk 12.2.
We have already implemented the older DFU (non-secure...
