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 am using the gazell protocol of nrf52840, How can I specify the correspondence address of this different handles when I USE A HOST to communicate with eight handle devices...
Hi,
I have looked at the different post regarding the nRF9160 and SPI, but I can not get it to work on our custom board.
Attached the board definition files.
Here...
I have the Thingy91 plugged into a macbook pro(osx catalina) with usb.
I have updated the firmware on thingy 91 with the precompiled application and modem firmware ( 2020...
We are able to form a openthread mesh using CLI-ftd examples.At present we have server communicating to Clint in UDP portal .Is there is any UART command which is meant for...
Hello.
I am using SDK v17.0.1, nrf52833.
I can enter DFU Mode with pressing Button 4 and reset Button.
However, I want to enter DFU mode without any Button.
I've...
Hi everyone,
I'm starting from USBD example and I want to implement a composite device.
If I want to implement a composite device I have to add one interface and then...
I'm working with several Samsung SmartThings and I am wondering if a call to will address this the issue of devices leaving the network insecuely https://www.samsung.com/sg...
Hello everyone, The last few days I was advised to buy the nrf52840 DK. Up to now I have worked with the dongle. I read online the need to download the j-link software. Where...
Currently, I'm switching my platform form nRF52 to nRF53.
For the work I'm doing, I need to use DPPI to enable GPIO events to trigger SPI transmissions, without interrupting...
Hello,
Looking for some background info for SOFTDEVICE ASSERTION 0x0002715e. sdk 15.3, SD s132_nrf52_6.1.1
Maybe related, there is no Assert if fds_record_write() is done...
Hello
I am developing devices including nrf52832 and 3.3v buzzer. However, the buzzer in this device is very hot and the battery is running out quickly.
Now I know that...
Hi. I always appreciate to your kindness and fast reply.
I want to extend BLE range from 200m ~ 500m using FEM.
For the first time, I choose SKY66111 but it is not working...
Design background and goals,
1.Both ble_central and ble_peripheral are used nRF52832.
2.All nRF52832 UUID are the same.
3.Devices of different groups can’t be connected...
