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...
Hi,
I've been trying to implement a SPI master module in the example ble_app_hrs_c_s120 on the nRF51 DK with nRF51422 (I copied the code of the example of spi_master in...
Hi,
I am new to the nRF51 and I cannot get ANT to work on our own hardware. It always result in a soft device assert. I went back to the standard development kit (pca10028...
I have an app built in IAR using S110, SDK 7 on PCA10028 DK board that runs fine with the debugger, but if I stop the debugger and unplug and plug back in the USB cable, it...
Hello,
Sometime when we try to save data in Flash the operation failed and that only when the bluetooth is init.
We use Nordic nRF51822 with 256 Ko Flash.
Thanks...
Hello all
I am trying to better understand the sequence in which all the data is encoded in to the advdata structure. This includes device name, company identifier, manuf...
Hi,
I've noticed that the following s110 API work in my application, when called from the main context, but fail when called from an ISR context (button press interrupt...
I want to convert an integer to a char array and feel like this is something an nRF library may have already implemented. Nothing showed up after an initial search of itoa...
Hello,
I wish to create a mesh for my product and I have two options Zigbee and nordic SoC. My application involves very little data transfer and that too at very low rate...
Different examples for s110 use different methods to configure advertising, sd_ble_gap_adv_start() and ble_advertising_init(). What is the guidance for choosing between the...
Hello,
I'm looking to get the nRF24LU1+ dongle to work as a VCP. I had a code running 4 years ago on the dongle as a Mass Storage device but I was wondering if someone...
Hi guys,
I have to port the current library that is working at the arduino uno for arduino zero pro but when I change the board type I get the following errors:
__file__...
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Here's what I would like to do: I have a bluetooth device with an nrf51822, with which I gather some sensor data, with a period of say 1 minute. I would like to store...
Hi,
If the bootloader is allocated 16 kB of flash, can it be upgraded Over-The-Air to a larger size bootloader at a later point, or does that require flashing the device...