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...
OS: Windows 10
Target: nRF51-DK
Tried to connect with nrf51-dk with Keil MDK-Lite v5.18a.
The default Jlink version used along with this IDE was v4.98e
the 'download...
Hello all,
I'm looking at the example projects and ble_app_template in particular, and have noticed something that doesn't seem to make sense...
In main(), this project...
Hi, I am looking for a Bluetooth Low Energy Soc based solution like nRF51822, but I'd like to have an open source firmware solution...
Do you have that kind of solution...
Hi
I want to execute my app from the RAM to test if i'll get a considerable decrease in the current consumption.
I'm using : "s130_nrf51822_0.9.0-1.alpha" &"nrf51822QFAC...
Hi
I'm trying to change TX power and measure the current consumption while advertising, (DC/DC disabled) and i get an increase of 3.44mA from 0dbm to 4 dbm. Ok That's logic...
I follow the instruction and I am able to connect to Xively MQTT service. But I am confusing how to connect to AWS IoT MQTT.
AWS claim it support IPV6 as well.
Is there...
Hi all:
Here is my develop environment and it always show the message "one or more breakpoints could not be set and have been disabled".
Is any item I missed.
OS:Ｗｉｎ１０...
The ble_app_gls example does not provide any handling code for BLE_GAP_EVT_TIMEOUT, BLE_GATTS_EVT_WRITE, nor BLE_GATTS_EVT_HVC. I'm trying to understand whether the lack of...
I just ran a few experiments on calling sd_ble_gatts_hvx() multiple times based on SDK v10's ble_app_uart example. I have configure the app so that it for each external event...
Hi, I am using NRF51 Dongle to receive transmitted data from the NRF52 DK. currently , I want to send multi packets per connection interval. my question is that does the dongle...
Hi,
I'm interested in making a beacon-style device with nRF52, an NFC aerial printed around the perimeter, and a CR2032 on the back. Is there a reference design for such...
Hi,
This is somewhat open ended question, but I wanted to know the implications of modifying the default bootloader (one that comes with SDK v6.1.0) upfront, so that the...
Hello guys,
I have a very strange issue when working with UICR 's customer register.
I am using a SEGGER Flasher Portable with J-Flash V5.10d to load a hex file (which...
