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 everyone,
I am developing a simple BLE node with an I2C sensor on it. Basically I just need to send over BLE the measurements made by that I2C sensor every minute...
Hello,
I am new to the Nordic environment and am trying to set up a beacon to scan and advertise using BLE.
I used the beaconing example ( https://github.com/NordicSemiconductor...
Hi, I have the same issue as in here: https://devzone.nordicsemi.com/f/nordic-q-a/62676/2-spi-devices-nordic-nrf52382 but for me the Debug/Release-toggle does not work. I...
Hi,
Can you confirm if TWI is supporting I2C clock streaching? Or and workaround to handle such a case.
As in attached picture is slave device requirements. Slave device...
Hello,
I’m using keil compiler.
My configurations are nrf51822ac/SDK12.3/s130_nrf51_2.0.1_softdevice.
I’m trying to migrate to SEGGER studio.
I’m referring to the...
In my case, I have 50+ devices as sensor and advertising measurements every 10 seconds, ADV_DURATION = 120s, use the 1E FF manufacturer data and self defined payload protocol...
i want to implement the nfc connection of pairing the nordic nrf52840 using SDK ver 15.0.0.
Can anyone help me in implementing this feature? because I'm new to this pairing...
Hello, all
I would like to ask about flash memory write errors.
When using version 12.1.0 of sdk, I was able to r/w to flash memory normally by using the sd_flash_write...
Based on sdk12.3, use 51-dk (51822) to run the ble_app_hrs routine. Use ios mobile phone to connect the device, it will automatically disconnect after 30 minutes, the disconnection...
The problem is not being able to connect to the device from an iPhone SE while the app is in background mode. We have an iOS app written in swift, which uploads data from...
Hello, I have couple of NRF52840 devices that i purchased from Adafruit. I wanted to use them with Alexa Gadgets Toolkit via BLE, however with no previous experience with...
Hi,
I'm working on building a zigbee multisensor device using a nrf52840 module. I'm heavily relying on the multi sensor example and so far I've been able to add temperature...
Is there a way to log bluetooth messages in the phone app? I have a bunch of messages that come but there is no history on the app that I can look at. Is there a to do this...
Hi,
I am working on a project to help determine the distance between the NRF52840 DK and other bluetooth devices using BLE. When the distance is past a certain threshold...
