Connecting nrf21540 to a nrf52840. 840 GPIO default state is input, input buffer connected. One of the 840 GPIO pins is connected to the 540 PDN pin.
1) If the 840 gets...
Hi,
If the following function is used, how to solve this error:
#include <nrfx_reset_reason.h>
void check_and_clear_reset_reason ( void )
{
// 获取复位原因
uint32_t...
We are in the process of finalizing the RF transceiver chip for custom protocol development.
Please suggest the suitable chip and any reference implementations available...
Hi Nordic Team,
I'm looking to use the UICR->OTP region ( One Time Programmable (OTP) memory region within the User Information Configuration Registers (UICR)) on the nRF54H20...
Hello,
Now, I currently run Asset_Tracker_Template on Thingy91X
https://github.com/nrfconnect/Asset-Tracker-Template/blob/main/docs/common/getting_started.md.
And, I...
Hi Nordic Support Team,
I'm currently experimenting with Channel Sounding using a couple of nRF54L15 boards.
I am trying to obtain raw I and Q samples so that I may analyze...
We use several Nordic chips in our BLE sensors. We bond to the devices from Android, connect to update configurations, then disconnect such that the device then advertises...
Hello,
I am trying to make a basic uart communication between my nordic NRF52 dev board (PCA10040, s132) and my STM32f429ZIT6 discovery board.
NRF52 : I used the example...
Dear Sir,
I and new of development nRF51(256K/16K), I read some sdk docs, but need further information and help.
Would like to save some application information...
Hi,
I'm trying to use the same timeout_handler for two different timers. I use the p_context (as explained here ) to pass a flag to the timeout handler, so that he knows...
At the start of programm, I create a timer_id used the follow code:
app_timer_create(&m_sec_req_timer_id,APP_TIMER_MODE_SINGLE_SHOT,sec_req_timeout_handler);
when the...
Hi, I started using the nRF51422 kit today. Downloaded nRFgo Studio, Master Control Panel, nRF Connect, BLE Sniffer, Wireshark 1.10 (after figuring out that you don't support...
Hai
i am planning to make an iot project with ble for my academics. I am using arduino to control the ble.
I was done a test with blend micro to know its maximum range...
Hello I would like to use more dongles with pc-ble-driver-py. For example I want to create multiple advertisers and test that my DUT would see multiple advertisers. I tried...
Hi all,
I was looking into using a PWM for LED dimming, and in an attempt to smooth out transitions between light states, I found that there was visible flicker as the...
Hi
I want to ask what the this define
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_XTAL, \
.rc_ctiv = 0, \
.rc_temp_ctiv = 0, \
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM...
Our code is 21k excluding soft-device,as per the example 15k should be the max size limit of code to update FOTA. Is it possible to make changes in DFU bootloader so that...
I read the doc of nRF51, so many reference pic.
Can anybody have make a summary of it
I think Decentralized understanding is difficult.
If we can read all of it in...
Hi,
I am driving 8 RGB LEDs directly from 51822, meaning there are 24 individual LEDs sinking current into the chip. The LED are off or partially on most of the time, but...
I have programmed the system_off with 2 causes of wake-up on 2 different pins.
When the device is woken up, how can I check which pin is the wake cause ?
Thanks for...
