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 use the NRF51822 without the Bluetooth functionality. Is it possible to leave the pins ANT1, ANT2 and VDD_PA unconnected? If no, what is the cheapest way...
Hi,
I'm using PCA10040 board, There i connected the fuel gauge IC via TWI communication.
There pca10040 will acts as master and fuel gauge IC will acts as slave.
While...
Hi! I want to send data from the temperature sensor of the beacon, receive them with the nrf51 and then send them to the PC via USB cable. The nrf51 has to start the connection...
I am using the nrf51822 and I want to use the pstorage library to save some data which is "power lost can save",but I cloud not find the example of it.I am using the SDK 8...
Hi,
I want to have a generic fault handler that will cause a reset. The handler may be called from a high-priority ISR or exception trap (e.g. hard fault handler), and...
Is it possible to make a services like this：
services UUID : 55550001-5555-5555-5555-55555555555
characteristic UUID : 55550001-4444-4444-4444-444444444444
Hi All ,
I am using NRF52 , S132 softdevice ............
I need to read a data every 5s (In Timer1 interrupt handler) from I2C slave and sent it via BLE.
But what...
Hello,
How do I create an encrypted/signed image? Where can I find the documentation for doing this? How will I need to modify the bootloader to decode and install the...
Hi All,
I am using Nordic SDK version nrf51_SDK_9.0.0 for PCA10028 board. In that i am using application
D:\nRF51_SDK_9.0.0_2e23562\examples\ble_central_and_peripheral...
Hello Everyone,
I have developed my software and i have tested with NRF51DK using android phone NRF MASTER CONTROL PANEL APP and it is working very well but now am trying...
Hi Nordic,
On SDK10.0 with QFACA nrf51, I find a GPIOTE problem.
With sdk6.1 and app_gpiote module, I got no such problem.
I make use of SPI0,low accuracy GPIOTE on 4...
Hi.
I'm using PCA10028, SDK10.0.0, S130.
I'm testing connection time.
I made structure as your sample code as below.
static const ble_gap_conn_params_t m_connection_param...
