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 want to advertise in variable intervals and mostly only one advertisement at a time. I planned to do it like this:
1- start advertising with any interval (e.g...
Hello,
I followed the example for doing 128 bit UUID advertising using ble_app_uart example. The problem is, this seems to work if I run it when the radio and controller...
Hi,
I have my custom nRF51822 board based on Raytac MDBT40-P module. I am trying to program it with nRF51-DK(PCA10028). I could program it with mbed interface once or twice...
Hi,
I want to implement Advertising with the Timeslot API. I only need non-connectable advertisements but I want to be able to control the transmit power.
Which example...
Hello all,
I would like to understand advertisement packet more.
if I add the following to my packet my firmware causes nrf51822 to crash.
advdata.include_appearance...
Hello,
i am working with the Enhanced ShockBurst proprietary protocol and i am wondering where I can find the sources of this protocol, so that I can do some changes. ...
I'm using the BMD-200-EVAL S board (using Segger JLink). I've defined SCL and SDA as:
#define ARDUINO_SCL_PIN 5
#define ARDUINO_SDA_PIN 8
When debugging into the...
As title, where can I find the syntax for this editor?
If it does not exist,
Q1. How can I put sample source code block?
Q2. How can I put new line only? (without...
Hi,
What's the maximum current for nRF52832 when only CPU is running from RAM at 64MHz (DCDC 3V condition)?
From Product specification v1.0 page 18, does the value "3...
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hello there
I am interfacing master nrf51 dk with nxp's slave lpc11u24
(1) my main...
I'm trying to set up DTM environment with my DUT(Own device, using nRF51822) and a nRF51DK for Lower Tester, referencing the document, nAN34_v1.0, "Setting up production test...
Hi ,
I am programming nRF51822(s/n 681859006) on my company's custom board, I am using the softdevice (s110_nrf51_8.0.0_softdevice.hex) to program it.
After successful...
Hi!
I'm compiling with 'GNU Tools ARM Embedded 4.9 2015q2/bin/arm-none-eabi-g++' and optimization -O0 and debug level -g3, nRF5 SDK version is nRF5_SDK_11.0.0_89a8197....
Hi,
I developed an application with nordic NRF51822 using SoftDevice S110 8.0.0.
The APP developer for iOS tells me that the app disconnects after about 2 minutes, while...
