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...
When sending data on a pipe with ACK (indicate), the acknowledgement seems to get lost if the device gets disconnected right after having sent that data. Is that a normal...
Hello,
I am trying to build a single device, lets say loaded with firmware "A".
I would like to have two of these devices, both with firmware "A" to detect proximity...
I can't find anything to indicate for sure that the S120 BLE softdevice will work on the nRF51422 BLE/ANT chip. I'm pitting BLE vs ANT for my current use case and being able...
nRf51422 flash data retention is 10 years at 40°C. We need for our application (motor control roller shutter) 20 years. What can you do to increase this value?
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?
...
