Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
Hello All,
I have looked around for answers to my specific issue, however I did not seem to find one that aided me enough to fix my issue.
I have created a BLE profile...
Hello,
SDK 15.2, SD 6.1.0 with PCA10056 1.0.0, 2018.20. nRF Connect App v4.22.3. Pixel XL.
I'm running into an issue with my application where the phone disconnects after...
Using: Linux (Ubuntu 18.04), gcc/Eclipse, nrf52840, v15.3.0 SDK, SD 6.1.1
It has been a real bear of time using the SDFU in the newest version of the SDK. There were a lot...
Dear support,
Our team is considered doing their own smart watch, so i found that nRF52 chip is a nice solution. Just before we start, i would like to do some basic questions...
When we ported our FreeRTOS based project to SDK 15.3 from 15.2, we noticed a big jump in the CPU Usage. It turned out that the issue was in SDK 15.3's freertos port_cmsis_systick...
Hi nordic,
I send multiple bytes but always only receive packets of length = 1. For example in the picture, I sent 2 bytes 0x68, 0x69 ('DE') but only received the first...
Hi
What is the difference between ble_nus.c and ble_nus_c.c?
because i went through both the files and i felt both files are almost same except an extra function(db_discovery...
Hello, I bought a nRF52832 Breakout Board from SparkFun. from their tutorial, you can program this board using the serial bootloader and the Arduino IDE. However, aside for...
I am trying to operate a BLE5 sniffer with nrf52840dk
After connecting the dk to nrf connect desktop and programming it with a wrong code (by mistake), it is not able to...
I'm using the nRF52840 DK.
I managed to burn the on-board nRF52840 MCU several times, using the nRF connect windows app.
After several such successful burns, with various...
Hi,
According to the datasheet:
Does this mean that when i change my vdd from 3V to 2V, then the current peaks will be reduced? If so what does this:
graph means...
Hello,
I'm currently designing a custom bootloader to perform a DFU. So far I'm able to update the bootloader and the application, however there is a problem when I try...
I have been studying MQTT these days.
I'm testing the program below. https://github.com/NordicPlayground/fw-nrfconnect-nrf/blob/master/samples/nrf9160/mqtt_simple/src/main...
I use nrf52832 sdk15.2 to develop products, use WDT to prevent program crashes, WDT set time is 10S, nrf52832 will be paired and bound after connecting with IOS phone, when...