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...
Hello all!
I have been modifying the door_lock_nus example to add the set pin command (0x05 from zcl reference). So I have modified the zigbee callback to read the new...
Hi,
I am wondering how to let these both run together. If I understand the sdk_config correctly the app_scheduler event queue can be used for the USB directly. But how should...
When performing a DFU the 2nd stage increments the expected device BLE address by 1 when the device being updated reboots. This potentially conflicts with the address of an...
We have developed a PCB using nrf52840 controller. It's a brand new controller. I am using SEGGER embedded studio for programing.
I have flashed an example code ble_app_blinky_pca10056_s140...
If one using nRF52840 microcontroller as non-RF one, in example configuration from page 593 / Figure 214, No 6 schematic, I have two questions
- does a ANT pin filtering...
hello Nordic
i am working with nrf52840 dev board, sdk 16.0, based on the peripheral app_ble_blinky example.
i have 2 spi comms, one twi, and use rtc, app timer and...
Hi,
I'm using nrf52840 and connecting to a mobile device via BLE.
After bonding connection, I'm restarting my nrf device in order to start advertising again, with...
Hello All,
I am new to this field and would like to know technical details of this field. I want to develop a product using NRF52833-QIAA-R7 or NRF52840-QIAA-T
Anyone...
Are there any examples showing how to handle MQTT QOS 2? I have searched for MQTT_EVT_PUBREC, MQTT_EVT_PUBREL, and MQTT_EVT_PUBCOMP and nothing shows up for any.
Hello ,
I am using NRF52 DK Board with SDK15.3.0 .
I am followed below tutorial for DFU update .
https://www.youtube.com/watch?v=c7D0dC2gANo
But , after loadfile command...
I am evaluating the PPK2 for use in a custom test bench. The test bench uses a few Python programs to gather current measurements of a device under different operating conditions...
Chip: nrf52832
SDK: 15
SD: s132_nrf52_6.0.0_softdevice
After connection, we request a new MTU size. Some values work, other don't.
For example, trying to get 187 bytes...
Hi,
The following command will not work:
> "/mnt/c/Program Files/Nordic Semiconductor/nrf-command-line-tools/bin/nrfjprog.exe" --family NRF52 --program "/mnt/c/Nordic...
Hello, we need some help debugging a proxy node in a BLE mesh network.
First some information about our experiment - we currently have 5 nodes running a custom fw on a nrf52832...
