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,
I am trying to communicate urart with nrf52840 and other devices.
But there was a problem.
You can transfer data from the nrf52840 to another device, but if...
Hello,
I need to connect an event handler (i.e. a function) to two NRF_RADIO events:
-NRF_RADIO->EVENTS_ADDRESS
-NRF_RADIO->EVENTS_READY
I know I should use the NRF_RADIO...
Hello ,
I can read the rssi value after the connection is established.
case BLE_GAP_EVT_CONNECTED:
APPL_LOG("Connected to target\r\n");
err_code = bsp_indication_set...
On this question it is said:
"Error code 0x3201 means BLE_ERROR_GAP_DISCOVERABLE_WITH_WHITELIST: Use of Whitelist not permitted with discoverable advertising ."
Why does...
It is not available in Digikey, Mouser distribution restricted to Sweden, not in Farnell???
Where one can order one or there is some problem or new version coming???
Hello,
i am working with SDK 14 type 4 tag library on NRF52832 hardware. I've based my code on the example "writable ndef msg".
When receiving a record, the NFC handler...
Hi All,
We are working with one of project where we are interfacing our nRF51822 with GPS module via UART . now the query is our GPS module works on 3.3V rx/tx logic but...
I'm building an android application using BleProfile classes in the nrftoolbox.
I want to request characteristic write to a peer(nRF51) in MyApplicationActivity inheriting...
Dear all,
I'm using 52810 and have some problem with the S112 softdevice.
My ble app problem is based on SDK 14.0.0.
I download my app hex and the S112 softdevice...
Since upgrading to nRF Connect on my IOS device the DFU won't reconnect to the BLE in the boot-loader after initiation from the application.
The device will migrate to...
Hi all,
I am developing firmwares for the nRF51422 under Eclipse with the ARM GCC toolchain.
I have a matrix of WS2812 (or neopixel) RGB LEDs that I am controlling using...
I need a cheap 2 or 3 button fob or itag to connect to/control my NRF51 firmware. So far I only could find "AB Shutter 3" as input device with >1 button but it is using Bluetooth...
Hi all ,
I have one question . I have 3 board NRF : 1 peripheral and 2 central board . I want to transmiss
data from peripheral board to central board 1 then from central...
I am reading a large FIFO buffer from a sensor and there are at least two ways to do it - by simply reading the FIFO using the CPU and SPI in chunks of 255 byte blocks, or...
