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,
I just got an rf51 dongle (usb) dev kit. I have installed the latest SDK, JLINK drivers, nrfgo studio. I copied the firmware .hex file into the JLINK drive as per...
Hi, I can't seem to pair my iPhone 6s or iPad Air (both v9.2) with demos (uart and temperature) running on my PCA10040. LED1 is flashing indicating that it is advertising...
I was under the impression that HomeKit was an extension of the MFi Accessory Interface Specification, which relies on the iAP protocol to access additional functionality...
Hi.
We are developing a test equipment for devices that use nRF905. The devices use single ended connection for 50 Ohms antenna and layout recommended by datasheet (nRF905...
Hi,
I am using ios app to connect nordic BLE module. I am getting continuous disconnection after 1 minute on app . Please let me know how to configure for continuous data...
HI:
I use my own nRF51822 board for a snifer(not PCA10000, PCA10001 and nrf51822 development dongle). Run ble-snifer-.exe, I could ger the information as figure 4 in ble...
currently i am using nrf52 as spi master with an imu as spi slave. based on the sdk code spi_master_with_slave, I write a sample test code to read the register value from...
Hello Nordic Community,,
Do I need the typical MBED hardware setup (Interface chip connected to 'target' (the nrf52)) in order to program the nrf52 with FOTA using an MBED...
Hi,
I'm using nrf51822. After sending a data from TXD, I enable the TXDRDY interrupt by setting INTENSET register. Then I can get into TXDRDY interrupt handler function....
Hello,
I found some posts discussed before.
I2C/TWI slave with nRF51822 [closed]
Using NRF51X22 as TWI Slave
In SD8.0, SDK10, does it still only support the TWI...
Is it possible to somehow get access to the channel hopping data from BLE. We're trying to trace some interference from an external device, and want to be able to see when...
Hello,
How to put values changing over time into advertising data?
What I want to acchieve is to send ADC values that are changing dynamically over advertising packet...
We're designing a new revision of our open source sensor beacon platform: http://ruuvi.com
Just want to make sure I got this right. nRF51/2 Reference PCB Guidelines states...
Yeah. It's that topic again.
I tried to measure the current with an oscilloscope (Agilent 100Mhz; 2GSa/s).. but that didn't quite work.
Can you maybe share how you guys...
