Hi.
I made the smallest system module using nRF52840. The schematic diagram is as follows.
My reference design for power supply is as follows,
For Firmware....
I have a 5 year old design using a nrf52832 on a MDBT42Q module. The BLE option was placed on the PCB in 2020 and has been unoccupied since going into production. My customer...
Hi Noridc expert ,
I am trying to configure using nsib + mcuboot on nrf52840,
I need to build the image with only public key avaliable , and sign the image else where...
Hello,
I'm currently using Visual Studio Code with the newest SDK, Toolchain and Plugin on MacOS and most of my applications are freestanding applications.
Now I want...
Hi Nordic team,
I am plan to design an IoT sensor that apply to Agriculture,
In case of 2 communications: Near field and far field, I will integration both BLE and Lora...
Hi,
I have a couple of questions regarding reading the nRF5340 Temperature Sensor. This is a follow-up to the following DevZone ticket: https://devzone.nordicsemi.com/f...
We tested the USB performance on the v3.1.0-preview4 and main it looks like it got even worse.
All tests were done on the attached test project: TestProject
main (6855b38ca69d2a70d0a088d9964e606e9981cb14...
Dear friends,
I want to measure the current of RF of BLE using PPK. However, i do not care the current of other peripheral devices, such as timers, pwm. How can i make it...
Hi,
We have nRF51822 acting as a central and another nRF51822 acting as peripheral. The peripheral advertises at 1 second advertisement interval. The peripheral and central...
Hello,
There is a characteristic with properties:
memset(&char_md, 0, sizeof(char_md));
...
attr_md.vloc = BLE_GATTS_VLOC_USER;
...
char_md.char_props.write = 0;...
Hello everyone~
BLE 4.2 secure connection is very useful for smart automobile. It's fit for many lock/unlock and rent/sharing scenes. Is there a plan for automotive grade...
How do you do
Now use E: \ Nordic \ nRF5_SDK_12 2.0 _f012efa \ examples \ peripheral \ pwm_driver \ pca10040 demo5 of routines
The program below：
Using the oscilloscope...
I used 51802 made a PCBA module for 2.4G transimit , and use 24LU1 as a usb dongle , both of them used PCB printed antenna and haven't used PA.
I want to know , in generally...
I am communicating between nRF24LU1 + and nRF24L01 +.
Are there any registers or methods for receiving sensitivity from 01+ or U1 +?
The data sheet tells us that the...
Hi community,
I custom a service and need it be filter by mobile phone. For that I need my service uuid show up in advertisement.
Search some article. And find SDK example...
Is on_ble_evt () constantly moving?
I will reset the WDT with this function.
However, it seems to stop resetting the WDT after 3 seconds from startup.
Set the WDT to...
Hallo everyone.
I'm working with the processor nRF51422 with S210 softdevice and I would like to use the HFCLK crystal oscillator for clocking another external periferal...
I am trying to work with ECC signing on the SDK 13.0.0. I can create the public key and compute the hash without errors. However, the ecdsa_sign_hash always returns the NRF_ERROR_INTERNAL...
Hello,
I realized that different SDK versions have different behavior for DFU. I'd like to add DFU feature into my heart rate application. In nordic infocenter, it's mentioned...
I am trying to pass a base64 encoded string as an argument to a CLI command over UART. It seems like the longest length command I can send is 258 bytes long. How can I pass...
