We are currently adding the nRF21540 to our nRF5340 based product to increase our communication range. More precisely: We are switching from Fanstel BT40 to BT40N. We have...
Dear DevZone,
While reviewing the implementation of x509_crt_verify_chain() in C:\ncs\v2.9.1\modules\crypto\mbedtls\library\x509_crt.c , I noticed that certificate expiration...
hello everyone ...I am working on a project that uses the nRF52840 IC. I would like to implement a power-down mode to reduce power consumption. In my project, I am using BLE...
Hello,
I'm working on developing a driver for the AD4130 ADC in Zephyr and I'm facing issues related to the device tree binding integration. Specifically, it seems the chain...
Hi support
We are considering connecting eMMC 5.1 ( FLEXXON eMMC 5.1 MLC (XTRA III 100ball). SPEC V1.4 (2).pdf ) to an nrf5340 device.
I understand that Zephyr 3.3.0 includes...
Hi support
I am developing code for the application core on the nrf5340 and testing this on an nrf7002dk dev kit. I am using sdk version 3.0.0. The code needs to read from...
Hi, I developed some functions on nf52832, nrf52810 and now I'm with nrf52811. I'm able to put some debug on tx pin so I can read it from PC COM, I use app_uart which use...
The earlier post covers the details of our current project:
https://devzone.nordicsemi.com/f/nordic-q-a/55474/aoa-aod-direction-finding-support-in-nrf52833-sdk-v16-0-0-and...
Hello,
My questions is about ANT and CRC :
Does ANT stack already use a CRC that checks if a data has been received correctly?
Or do I need to create my own when sending...
Hi,
Sometimes our custom board is not readable with the reader uTrust3700 from Identive and it might be related to this post . We are usind SDK 14.2 with our custom board...
I'm using nRF52832 and intend to interface 3 I2C slave devices; the first is the BNO055 IMU.
I've integrated the Bosch "driver" code into my SES project, but I find that...
We are implementing a DFU controller to perform DFU over serial for the nRF52832.
Our reference is the nRF5 SDK v15.3.0 DFU Serial documentation (Nordic/SDK/nRF_SDK_15.3...
There are a few threads on here about this already, but I wasn't find the answer to the exact question I had.
I am using the nRF52832 with SD132 and SDK15.2 on a custom...
I cannot get logging in the Seggar debug terminal nor the J-link viewer application (All terminals) when running this example.
I have the NRF_LOG_BACKEND_RTT_ENABLED selected...
Hello
I am using nrf52840 from nrf9160dk, I am trying to run example from nrf52840 with sdk16.0.0 and sd7.0.0. While checking data on uart I am getting following error...
Hi
I'm trying to get a DFU boot loader working on our own custom hardware. My initial approach was to build secure_bootloader_ble using my own public_key.c file and try...
I updated my Thingy:91 today to version thingy91_fw_2020-04-29_bc7ade8b.
I flashed the mfwnrf9160120, the thingy91_nrf52_connectivity_bridge_2020-04-29_bc7ade8b and the...
Hi, I'm developing firmware for the trf7970a nfc chip. For standard communication the chip uses spi, but a special direct mode uses an additional two wire interface where...
Do the values for current consumption given for the scenarios in Section 5.2.1 of the nRF52833 PS include the current for any peripherals required? E.g. the PS quotes 2.6uA...
Hi!
I am trying to merge the basic/button sample with the mqtt-simple sample.
I added to the prj.conf of mqtt-simple sample.
My main.c looks like this:
After merging...
Hello!
Iam trying to get the spi function to work properly on my thingy 52 device.
My problem is that the transfer wont stop when it should in my opinion, i have analyzed...
