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 Nordic NRF528321 with SDK 11.0 and soft device S132 as ble central.At peripheral side it is Nordic NRF51422 with SDK12.2 and soft device S130.I am trying to pair...
Hi,
I'm on nrf52dk platform.
I have flashed the MQTT publisher firmware in IOT section provided in nRF5 SDK 14.2, config the ip address and auth info in code; established...
Hello, I am using nrf52840 PDK, sdk 13.0.0. I managed to read accel, gyro data from the MPU9250 using MPU library based on this example . However, I got magnetometer reading...
Hi guys,
I start with SDK13 and i want to create SDcard saver same information every 5 second on card. This is my code, i have no idea why it din't work.
I red that...
Hi,
i am trying to compile nrf51_sdk example using linux
I have 1- gcc-arm-none-eabi-4.9-2015q3 in location /usr/local/gcc/gcc-arm-none-eabi-4.9-2015q3
also install...
Hi there,
How in the question title, what could be more efficient? use a nrf_delay_us or Timer with HFCLK source.
I am creating a custom protocol to transfer data between...
Hi, is it now possible to flash (via DFU OTA) a nRF51X without the nRF Dongle, but with a generic BLE dongle on Windows 10 ? Thank you for your answers.
Hello,
I am using Nordic's iOS library to perform DFU in our app to upgrade firmware on some BLE devices. Before the DFU, the app scans it as "Paradevice", but reads it as...
Hi,
I'm designing a prototype board with the nRF52832-CIAA and was planning on using the Johanson 2450FM07A0035T integrated 2.4 GHz filter, but have not been able to find...
Hi
in pcb designing of the nrf52832 we use two oscillators one is 32 MHz and another one is 32 kHz.
can't we use both 32 kHz instead of one 32 MHz for saving power consumption...
Hi,
I can't seem to find an example for receiving an update about restored value of CCCD when a bonded peer reconnects. I'm using SDK14.
NUS and HRS examples which use...
I am new to Nordic, and Keil, and not especially strong in microprocessors yet. I am trying to get currently developed firmware for a nRF52382 chip to operate on a custom...
hi expert
i use sdk14.1 ,nrf58312, when my phone(andriod 5.2.1)connected to nrf58312 board ,i find the addr type is 2, so i want write the mac to whitelist ,but when i set...
Hi, I wondered if the source code of the SDK 51422 PCA10028's firmware is available ? The one firmware which allows the SDK to flash other nRF51X over the air? If it is, where...
