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 using S110-based peripheral device which is sending 20byte notifications. Application on my peripheral works fine (testing with MCP gives transfer rate about 15kB/s which...
Hi,
I was using nRF51DK with Keil uVision ver 5.14 and SDK 8.0.0. It worked okay yesterday and I tried HW peripheral as well as BLE peripheral.
But today it doesn't...
Is it possible to identify a device as a previously bonded peer based on the advertisement package and before establishing a connection?
I would like to be able to bond...
Hi
Im using nrf51822 board from RedbearLab. SDK6.1and SD7.1.0.
I added DFU to my application and iam able to update the firmware OTA.
My issue is after adding dfu...
Hey there,
I am looking for the right pin out to wire up a reset button to my board so that I can reset the IOS device is paired to. Can some one help?
Tyler
Hi,
Is it possible to set an address lets say for an array to be in Flash memory on compilation?
So that way I dont need to reserve memory twice - once in my program memory...
I have two nrf51822 devices with sniffer firmware. At the beginning all tests were well, it can sniffs beacon packets with ble-sniffer_win_1.0.1_1111_Sniffer and display packets...
[edit]
This problem is solved!
The problem is from project target.
I am using uvision5, but I opened the uvision4 project. (\arm4...)
Now I am using the example under...
I am using the Sys Events to monitor the POFWARN but it appear that I get a POFWARN event repeatedly when the voltage is below the threshold is this normal or do I need to...
Hello,
Some questions regarding the linker script for the 8.1 SDK for SD110.
I was able to get an environment set up with ARM GCC, Make, etc. and compiled my program...
I have a program running with SD 7.2 and SPI on my nrF51822 talking to a SPI slave device. I use GPIOTE triggered on an edge to set a chip select line and read bytes from...
I have a LED dimming project that uses nRF51822 and nrf_pwm_noglitch. If I turn to 100% duty cycle, then it will be stuck at 100% unless I turn it to 0%.
So in other words...
The board is simply an nrf51822 with a crystal and required caps and resistors, without any LEDs. When I try to flash any firmware, I get an OK that the firmware has been...
Hello guys,
I am working on the project where I am making a network4 nrf24l01 transceivers, such that one can broadcast the text message from one transceiver at the base...
