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...
Hi ，
I use timer to handle pwm signal,
1.when calling button by phone is pressed,
Timer starts,(function:on_key_trig_speaker_event())
2.pwm signal run (speaker_meas_timeout_handler...
Hello,
My name is krishna,
I have couple of NRF24L01+ modules,
I am trying to implement MultiCeiver in the NRF module.
The problem is i am able to receive or transmit...
Hi,
I am trying to compile the ANT Broadcast Tx Example from the latest nRF5 SDK v12.1.0 (../examples/ant/ant_broadcast/tx), but I get the following 3 error messages with...
Hi,all
I use nrf51822 connect with ios device,it will automatically disconnect when links more than 90 seconds.
device connection parameter as follow:
#define MIN_CONN_INTERVAL...
Hi I'm using the Jlink to program nRF52832_XXAA, by using nRF command V9.0.0 nrfjprog
I success in erase , but I can't program correctly,I tried Jlink version 5.12g and 6...
initially we developed code for arduino mega board but now we want to use the nRF51822 soc,so how i can utilize my arduino code for nRF51822 ....i have gone through the some...
Hi,
I'm trying to load the secure_debug bootloader for the nrf52 with the SD 132 3.0 and an aplication.
But when I load the aplication the bootloader gets erased or overwritten...
I've got a problem to change polling method to interrupt notification on open-mesh with freertos project.
The example "BLE_Gateway" of open-mesh as flow:
if (rbc_mesh_event_get...
Hi i have to use this accelerometer and connect it through i2c
www.analog.com/.../EVAL-ADXL345Z.pdf
This is my connection:
VIO --> 3.3V
GND --> GND
CS --> 3.3V...
I am using nRF51822 and the Software device is S130. The application is based on ble_uart_app. I can declare it as a Bluetooth 4.2 device for lab approval. Right?
I know that Nordic has published a reference antenna design with the nRF52DK. However, I would like to develop a much smaller module with minimal antenna PCB trace or antenna...
I would need more pwm channels, than there is possible with pwm library on nrf51822 (That is 16 channels).
I would like to do it in a fashion, similar to this , using a prescaler...
To whom it may concern,
I use a BLE app via nRF52832_WLCSP, 'ble_app_hids_keyboard' of SDK11(pca10040),SD s132_nrf52_2.0.0, with the HID profile. once I started advertising...
I'm currently using CrossStudio as IDE. I've no problem in compiling and downloading the application in the nRF52832 microcontroller. However the application wouldn't start...
