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 successfully built, run and tested the sample: gps on my nRF9160 DK , without using the SUPL client library.
I then tried to build and run this sample: gps with the SUPL...
Hello,
I have been asked to research a possible solution to add support for executing REST calls to the AWS cloud. I see a library and API for making REST calls to nRF Cloud...
Hi,
I am looking at ways to offer the GPS assistance data from NRF Cloud (or similar) through our own server. The NRF Cloud is unavailable from within our network and we...
Trying to compile samples/net/wifi/ to test the esp8266 with Nrf52. we have our custom board. but Im' testing using Nrf52840 DK now.
I've this file
in myProject/boards...
We have a custom PCB with GPS circuit copied from the NR9160-dk board.
The default GPS example is working fine. However, we want to combine GPS tracking and LTE-M connection...
Hello,
I am using NCS 1.5.0 and modem firmware 1.2.3.
I have nRF9160 DK version 1.0.0.
I am trying to run "full_modem_update" example firmware on this.
But getting...
HI
I use NRF9160 serial_lte_modem to test NBIOT/MQTT, current SDK is V1.6.0 ,and config mqtt keepalive =1200S.
after 9160 connect net, control mqtt connect my mqtt server...
I have connected 3 Peripheral using Name Filters and 1 central.
I am able to connect and communicate with all correctly.
But I need to identify that conn_handle 0x0 ,...
Hello!
When collecting dc1.4v with SAADC, there is an error of 100uv. SAADC is configured in differential mode, with N-terminal connected to GND and p-terminal connected...
Hi,
I've read in these forums and seen the machine instructions within the C code that nrf_delay_us (which BTW is used to do nrf_delay_ms) is implemented by executing a...
Hi team,
I would like to know the default channel used for data transmission and the frequency of the channel.
Also whether the frequency is configured in the softdevice...
What is the purpose of the external capacitors on DECA and DECN? DECA calls for 1uF and DECN calls for 0.1uF. The datasheet calls these out as "Regulator Supply Decoupling...
Hello,
sorry to border you again, but I have a problem that block me for many days. I read all nordic questions on TWI (I2C) but did not found a solution... :(
I have...
Hi,
We are designing a custom Board using nRF52840 SOC.
We are operating it in Normal mode, using an internal DCDC converter
We have used configuration 5 from the...