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...
Hello! I am trying to develop on the nRF51822 eval board as called PCA10001. The programming interface I use is uVision4 on win7.
I would set a static PASSKEY for the pairing...
When I successfully bond with an Android device, then disconnect the Android device, the following attempt to re-connect fails. It appears the chip enters some internal error...
Hi,
after i get eclipse to debug (thanks to cocoa) i need to make a new project. What option i have to choose, to create a new project to run it on my nrf51822 evalboard...
In the nRF51 reference manual, page 59 shows the config value for pullup is 2 (upshift by 2)
In the file nrf51.bitfields.h, at line 2339, we have:
#define GPIO_PIN_CNF_PULL_Pullup...
Hi,
I'd like to add some custom data (25 octets) to the nRF8002 advertisement packets, using the vendor specific data type (FF).
Is this possible in some way or do we...
Hi, I am trying to enabling a notification of an attribute(once the attribute changed, the server will push the new value to the client) and I learned I have to first configure...
What's the proper way to implement bonding that depends on proximity (rather than a whitelist)? So when the client (phone) is close (say, five to ten centimeters) to the server...
I download uart sample from Nordic developer zone . at devzone.nordicsemi.com/.../is-there-a-serial-port-profile-for-ble
Because you had build the uart profile and iOS...
Hi,
I just started with the nrf 51822 eval kit. I've used keil before and am using the evaluation version. The Blinky example compiles, uploads and can debug fine (step...
Hi everyone:
by default , when a port(Port0) setting to output mode.
when i want to read the port(Port0) ,
i will get the port Output state. but at the nRF51822(NRf6310...
I have the nrf51822 eval board and I am just trying to download the blinky project. I have followed the quick start instructions in the nrf51822 user guide but every time...