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 Devzone,
I've been working on a system to set notifications on time ready for transmission.
The client sends a WWR package to my peripheral and I want my peripheral...
Hello,
Currently, I'm trying to flash my custom board that has nRF52832 with an uart application that I integrated buttonless DFU. I'm running into a problem where when...
1.nrf9160 is there an RF calibration parameter at the factory?
2. If there are calibration parameters, does burning mfw_nrf9160_1.2.0.zip firmware affect the calibration...
I have two devices here, So I combined three HEX files and burned them with JLink, and they don't behave the same. One starts the application normally, and one is always in...
I am using a custom board with nRF8001, where I use external interrupt from the RDYN pin to let MCU know BLE has an event. MCU can recognize these events and change the associated...
Hi,
I added the feature of the 'buttonless dfu' to the 'hrs freertos' using the SDK v15.3.0.
After programmed the built image to the EV board PCA10040, it could run normally...
Hi
I have 2 customised board with nrf52832, I wanted to communicate between 2 devices. Like to send commands like turn on/off LED from my one board to on/off LED on my second...
hi
i want to use iic in my project ,and i add iic func to my project refrence project twi_sensor.
the code of iic like this：
I call the api in the main
then...
Hello
I would like to use the extended advertisement feature of BLE 5 but I have several questions: 1. If I want to broadcast data in "extended advertisement" messages ...
Hi,
My devices are currently using NRF52832 with SDK17.0.0.
I want to communicate with my devices even when the app is killed by the Android system.
At this moment,...
Please tell me. The NRF24 transmitter is in the one pipe in channel one, sends data to the receiver without confirmation of delivery at a speed of 250 kbps. 1 How long will...
Hello.
I need some documents that i can understand what is going on on the backward when/while two devices are communicating with each other or when/while a device advertising...
We're just finishing our layout for a custom nRF52832 board. According to the "General PCB design guidlines for nRF52 series" we copied the complete nRF layout from your reference...
We recently purchased a few Thingy 52s, and we're very impressed with the simplicity!
After playing with the Thingy 52,and upgrading the FW to 2.2.0, I noticed that the...
I linked to an external lib library and called several of its functions，Then compile and report errors；It seems like the compiler could not find the definitions of “__aeabi_memclr4...
