I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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,
We use TLS encryption with MQTT towards Amazons MQTT-service.
What we have been able to do, is send 1 packet (2KB max size, due to modem buffer limit set by Nordic...
Hi
I'm currently trying to use a cheap stlinkv2 clone flashed with https://github.com/x893/CMSIS-DAP for at test setup. (cmsis-dap enables it to remove APPROTECT/read back...
Hi,I need Tune-Up Information for all chanels and frequency ranges( "source based time average conducted power") incl. production tolerances for Nordic NRF 24AP2 IC.to be...
Hi..... I'm working with custom service and characteristic!!! I succeeded in changing the characteristic length like bellow. attr_char_value.init_len = 10; attr_char_value...
Hi,
I am trying to do some tasks based on a particular button press, below attached is the buttons_init() function and the button_evt_handler() function. Code compiles and...
For the nRF52805 how is throughput specified?
Throughput Spec:
"It is capable of Bluetooth high-throughput 2 Mbps" ( ref )
Is this spec for serial throughput...
Hi,
I'm trying to periodically send sensor data to the AWS server and followed the documentation here to connect and send data to the server. I use these configurations...
Hi!
I've been trying out a tutorial about adding custom service and characteristics ( https://devzone.nordicsemi.com/nordic/short-range-guides/b/bluetooth-low-energy/posts...
Hello ,
I am having nrf52832 custom board.
In my project i need to use both CLOCK source ( Low frequency clock and High frequency clock source ).
Timer running on high...
Hello, Second time in here, thank you so much for all the support so far!
I'm developing a Beacon BLE, I wanna be able to send data over Advertising or Scan response. So...
I am trying to implement ble_app_interactive on nrf52840 as my application will require 2 uarts. I have started from the example application for the nrf58832 and created a...
in nRF52840, current consumption can be decreased by executing code from RAM instead of from flash. How is it possible to execute code from RAM? how to executing code from...
Hi, I have one nRF52840 DK and 2 nRF52840 dongles, i used the latest SDK17.0, programmed nRF5_SDK_17.0.0_9d13099\examples\ble_peripheral\ble_app_blinky\hex\ble_app_blinky_pca10059_s140...
MacOs on a macbook pro with LMP 9 (BLE 5.0 support) and a new DK2 board, SDK 16; no example built
and downloaded (SES) is discovered by the mac (same with an IPAD 2 pro...
Hi,
I need to read a digital signal with varying pulse widths (Min ~120µs) over ~30ms. Currently (nRF52832) I'm doing this using a timer interrupting every ~15µs and reading...