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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hello,
a presentation given at the nRF52 Global Tech Tour stated that one of the planned features for S132 and S130 was a support for multiple peripheral connections (2...
Hi
Now I'm using the S130 and ble_app_uart.I meet some problem need your help.
Firstly,I download the code to PCA10028,then it can connect to nRF UART on the iPhone5S...
Hey,
I am a bit confused with "client characteristic configuration" that is used to enable notifications (at least in Android).
To enable the notifications I have to...
The manual for my Agilent N4010A Wireless Test Set talks about a BER test based on a "vendor specific loopback test mode". This mode would allow me to do BER measurements...
Hi there,
I am starting with nrf52 and SDK 9.0.2 and am struggling with the SDK structure.
Can anyone please explain the difference between
components/libraries/uart...
Hello, I have tried to combine saadc with softdevice, but having errors during compiling. I have copied .c and .h files from saadc example to ble_hrs example, but having following...
Hi,
I have a specific application/product where in I am planning to use Nordic nRF52832.
-> There is a 9 Axis Inertial Measurement Unit (accel/gyro/magnetometer) connected...
Hi!
I have been trying for over a year to figure this out, but I am unable to, and I would hope it be pretty straight forward since OTA is already in the Nordit Master Control...
FIXED (see below)
Hi!
I'm developing software for nRF52 on nRF52 preview DK, which I got on the Global Tech Tour.
LED blinking (blinky) example is running OK, so I moved...
I have a device (configured as a slave) which is connected to a relay to on/off a motor.
Now, I need to connect it to multiple masters (e.g., couple of smartphones) to remotely...
Hello Guys,
I need suggestion regarding the selection of nrf8001 ble module
Does it support OTA updates?
What is communication interface? is it SPI or conventional...
Hi,
I want to discovery all attribute UUIDs as Master Control panel application does. I use API function 'sd_ble_gattc_primary_services_discover' to discovery.
Exactly...
Hi:
I develop my project with gazell, Device can keep send to host,but host can't keep send to device(I'm not mean for host sent ack to device).
In my program, I use "nrf_gzll_add_packet_to_tx_fifo...
In the nRF52 reference design, not using the DC-DC converter would result in higher power consumption. By how much? Any documentation regarding the details. Thanks
Hi all,
I am new in nRF51822. Today I am doing experiment using GPIO and radio transmission.
I wrote a very simple code as below:
int main(void)
{
init_clock();...
