This sounds like a stupid question... but I would like to clarify if this pin is an input or output. I think it's power in but want to make 100% sure as I'm spinning a PCB...
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 all,
Edit 25 Dec '15: Rewrote post for better readability:
I am trying to modify the dual bank DFU bootloader example to work on our custom board that uses a nRF51822QFAA...
Dears:
I try to use nRF52_SDK_0.9.0_0c82e3e SDK pheripheral pwm example and set the channel1(led2)
duty to 0.
But i still could get the signal about 400mv with LED2...
I've developed my BLE application that is based on nRF518822 and softdevice S110 v.8.0.0.
I've defined 6 services (4 with 2 characteritics each and 2 with 1 characteristic...
Hello,
I want to add uart debug support to the BLE DFU bootloader (nRF51822, S120, custom board).
Therefor I increased the possible size of the bootloader (start 0x39800...
Good evening and a happy new year to everybody.
Now it's time to work again, and I already stumbled about a little twouble while implementing a peripheral with concurrent...
Hey guys,
I'm designing an antenna for our open source sensor beacon, RuuviTag: http://ruuvi.com
Because we're using 1/4 wavelength monopole antenna, I'm considering...
for ble, scan of central device can get the RSSI value of the advertising device, but the inquire can not.
Is it right?
what's the different between them?
Hi,
I have made custom nrf 51822 board, I don't have LFCLK crystal i.e, 32.768khz. When i run ble_hrs example code in it , current consumption of my board goes to ~150uA...
Hi
In my application I need to transfer several paires of bytes to a slave device, and it's mandatory
for CS signal to go high between pairs. (This actually means I have...
Hi
I want to know why flash memory access should be scheduled in between the protocol radio event?
is there any relation between the flash access and radio opeartion physically...
Hello,
I am developing a wearable device that utilises nRF51822. Right now, I am having a problem because when the wearable device is connected to a new phone, it needs...
Dears,
I am designing a notification application. I would like to know what if I want to support both of iOS and Android phone, which example code of ble_app_alert_notification...
im following ( devzone.nordicsemi.com/.../) step to "Setting up a project for debugging in Eclipse"
i run the debug config and click suspend
then get some problems
...
Hi guys, I just want to share my iBeacon code (over s110) developed on nrf51 dev board under ubuntu. It works fine but please feel free to improve it and share it!
I developed...
In some case sd_nvic_SystemReset() can not reset?
nrf51822 S110.
for example:
void main(void)
{
sd_nvic_SystemReset();
do something;
}
It can do somthing!!
So sd_nvic_SystemReset...