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 All,
Please correct the following in my understanding. Also , i am planning to build a
remote controlled device using a PWM output. How does ATT,GATT and GAP affect/influence...
I recently purchased an nRF51822-mKIT and I'm having great difficulties in getting it to talk to either a Windows 7 or a Windows 8 desktop PC, or a Ubuntu linux desktop PC...
Hi.
I have just a question:
Can the same device work with gazell protocol and bluetooth LE alternatively?
I want a net with a host and some devices, but host must be...
I've somehow lost the ability to perform over the air DFU from Master Control Panel.
I have reinstalled the J-Link drivers, nrfgo studio, I've flashed the PCA10000. I can...
My board works most of the time are very good，but one time i power down the board when ble connecting and data transmitting，the board can't work when power on.and i can't...
Hello,
I am trying to use ble_app_uart example from pca10001 to nrf6310 board from development kit. My nexus 7 detects the BLE device as 'Nordic_UART' but disconnects immediately...
Posting this as separate question as it got no traction in the other thread:
Why are there many of the same include files in the DFU example directory as in the S110 7...
Hello everyone!
I'm currently developing a project in which I require a remote control (touchscreen TFT + arm MCU) to send and recive some data over a bluetooth connection...
Hallo
We want to update the firmware over the air (BLE).
What is a safty concept?
Our firmware need about 60KB flash ROM.
What have we to calculate for BLE software?
...
Hello Everybody,
I have a question about nRF51422. I want to monitor the ANT+ message from any sensor, which is already connected with the device,
Scenario : if it is...
Hello,
Im trying to create a synchronisation method for sensors using BLE. At the moment i can synchronise them within 10ms accuracy, in theory it should be within 2ms...
Dear all:
same as this issue:
devzone.nordicsemi.com/.../use-dfu-to-update-ap-over-ble-single-bank
it seem same as my way that modify modify "dfu_dual_bank_ble" target...
A big update this week for our S110 SoftDevice. Full OTA DFU for SoftDevice and Application. Also Multi-acivity concurrency for Bluetooth Smart and 2.4GHz protocols. As Developers...
Hello
I got my nRF51422 DK, and got few inquiries
For ANT,BLE DK, where can i find API documentation?
BLE can be implement on nRF51422 DK?
Is there sample project...
I have a 'fresh' nRF51822 on a board and it's not clear to me what procedure I need to follow in order to get it to work. I'm using the Segger programmer and I can program...
