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 run the experimental_ble_app_uart application on our custom nRF51822 board.
However, I could not find a proper bootloader to start the application. Is...
Where can I find an example of using device manager? The SDK doesn't have anything. I am using S110 7.1.0 and SDK 6.1.0 on nrf51822. I am having lots of problems with iOS...
I try to use Android studio to build nRF Beacon project,but it didn't work ,and there are several error .
the error is
Error:(50, 35) No resource found that matches...
Hallo,
I try to use the s310 timeslot API. I open a "session" and then request a timeslot:
check( sd_radio_session_open( nrf_radio_signal_callback ) );
request_radio_slot...
I am trying to implement the pulse counting mentioned in a previous post of the same name, but the code is eluding me. I am using the heart rate service example with new code...
Hello,
I want to implement a firmware update over ble for my application and the SoftDevice 130. Which would be the correct boatloader.hex that I should use? I am working...
Hi,
I am using softdevice-7 and SDK 6.1 for our application.
If I connect using a passkey, first 「BLE_GAP_EVT_SEC_PARAMS_REQUEST」 event occurs, then the 「BLE_GAP_EVT_PASSKEY_DISPLAY...
I have a mature design with several hundred units built using QFAAE0 silicon. Code works. Hardware works. FCC is happy.
I'm considering migration to V3 silicon and maybe...
Hi....
I have PCA10028 DK and i want to make a profile that works both as central and peripheral. As a part of this i tried running S130 demo app found in S130_softdevice...
I need to remember the CCCD's of some service, e.g. service changed. A CCCD is according to spec 2 bytes long. The method to do this is by using sd_ble_gatts_sys_attr_get...
Not sure why but my time is only firing at 250Hz with the prescaler set to 0. Not sure why. Shouldn't it be going at 16Mhz at these settings? (Running on the PCA10028 Board...
Hi,
I am using device as ble-Peripheral SDK nRF51_SDK_7.2.0_cf547b5 and softdevice
version :s110_nrf51822_7.1.0_softdevice.
problem : I am receiving data on Nordic...
I'm trying to use the internal temperature sensor of the nRF51 to know the die temperature. Its accuracy is specced as +/- 4 degC, even +/- 8 degC at the extremes. Does anyone...
