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...
I want to experiment with BLE Mesh. I have several BLE400's with nrf51822's. I want to use these as mesh nodes. I want to get the nrf52-dk to use as an interface node. Can...
I recently downloaded Segger's Embedded Studio to compare its performance and ease of use with IAR Embedded Workbench. We have a kickstarter version of IAR for ARM which has...
hi,
i am using nrf5 sdk 14.2.0 ble_app_uart example with keil v5 IDE and i am doing coexistence with nrf5 sdk for mesh v 1.0.1 for nrf52832 mcu.
a have done all steps...
I use nRF52840-Preview-DK PCA10056 v0.9.3, SDK 14.1.0.
I would like update bootloader, but i have any problems.
I do these steps
1.eraseall 2.program softdevice 3.load...
May be I just did not fined a good reference manual for the software, but it really frustrating me to try and understand from examples.
Is there some guide which take a...
When P0.18 is configured as the RESETn pin, is there a pull-up enabled?
In our design we have an external CPU driving the nRF52 RESETn line.
We have a pull-down on that...
Hi all,
I was wondering if the information in the documentation is the right, I was looking for the Memory map for the nRF52 when using the SDK13 s132 v4.0.2, but on the...
Hello,
Could you please indicate where TXPOWER is defined in the "ble_app_beacon_pca10040_s132" code example ? If not defined, could you please indicate what is the best...
Hi,
we are currently planning how to productize our IOT module which is based on nRF52832. We most probably use pre-flashed SOCs, but the we should be able to read Device...
I am trying to implement 128 bit uuid service and charachteristic and I am getting error 4(memory error) from
line 10: sd_ble_uuid_vs_add(&m_midi_service, &midi_init); ...
Hello. Devzone engineers
I'm testing Nordic_Uart. I have some issues.
UART\s data not sent to android. Android app is nRFconneter and Example is nRF5_SDK_14.2.0_17b948a...
I'd like to be able to enable/disable the S140 SoftDevice multiple times during operation (SDK 14.2.0). To achieve this I'm using `nrf_sdh_ble_enable` and `nrf_sdh_ble_disable...
Hi,
Im trying to modify secure_bootloader demo in SDK_12.3, to use timers. I modify nerf_dfu.c file in libraries/bootloaders catalog. I want to achieve bootloader wait...
I am using MasterEmulator.dll for connecting to pear device.
I am using nRF51 Dongle and pear device is nRF52 custom board.
The pear device is advertising at very low...
Hello,
we have custom boards with nRF52832 chips, which show different behaviors in low power system ON mode. The current consumption is pulsing at around 22Hz to ~34Hz...
