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 followed the steps mentioned in this thread devzone.nordicsemi.com/.../ and everything seemed to work fine. I've successfully uploaded "nrf51822_beacon_app.hex...
Hi.
I read in the sdk documentation, there is a library to use MPU-6050.
So i try to find it but I did not succeed.
i want to read data from 6050 and send this data with...
Hello.
I want to use nRF51422 chips to make some kind of mesh network using raw radio stack (NRF_RADIO) with my own protocol on the top of it. In reference manual there...
Hi,
I am a new comer to the nRF8001.
I am using Redbear Blendmicro (nRF8001) for my project.
I have wrote a apps to scan my Blendmicro(s) and acquire their RSSI value...
I use direct input AIN2 pin battery 3.3v, the other pins are not connected to anything, I did not enter into ADC_IRQHandler,may ask about what the problem it
this is my...
Has anything changed with the Bluetooth LE in iOS 8? I have an ANCS library for Arduino ( https://github.com/robotastic/ANCS-Library ) that was working fine with iOS 7. I...
I'm trying to program nrf51822 via st-link and open ocd.
Here command:
openocd-0.8.0.exe -f interface/stlink-v2.cfg -f target/nrf51_stlink.tcl -c "program address".
...
dear all:
I have 2 kind of board that are PCA10006 and PCA10028,
but I find out the IoT example can't be run on PCA1006,
what are different between PCA10006 and PCA10028...
I have added the DFU service to our own project. Normal application updates work perfectly and even the update of bootloader and softdevice is fine.
In a new case we had...
I'm still newbie of BLE developer, and designing a BLE device based on nrf51822 (whose service uuid is partially used for identification of serial number).
Like nordic's...
We want to design our own custom USB Dongle for connecting our sensor board to a PC. Sensor board has a nRF51 chip using Gazell protocol to transmit sensor data and also softdevice...
I am using keil compiler. The nRF51822 stack succesfuly compiled and also i am created the hex.I don't have j-link programmer but i will try to download using Ulink2 can u...
I meet a trouble like this:
My colleague used " nRF51822 QFAAC0 1322AW " to make a product. The KEIL program "based on s110_nrf51822_5.2.1_softdevice.hex and nRF51 SDK...
When nrf51822 with 32KB RAM will available? If it is going to be delayed is it possible to get samples? (I like to try IOT SDK and with my PCA10001 the heap overflows.)
...
