Hi,
I was looking at integrating a speaker in my design and i have a class d amplifier that takes in an analog signal which i want to feed directly from the chip. I wondered...
Hello,
I am using SDK v2.9.1 for a Bl653 (NRF52833) and was trying to use the Nordic Academy Example for how to setup the SPI bus. The Nordic Academy example states we must...
I'm currently working on configuring the nPM1300 used in our custom board. In the product spec v1.2, it supports 2 USB compliant current limits, IBUS at 100mA and IBUS at...
Hi,
I am currently trying to enable the GPIO output interrupt functionality on my nPM1300ek with an STM32. However, I am unable to get it work correctly(I was only able...
Hi,
What is the lowest possible current consumption for nrf52840 dongle dev board with zigbee ?
I'm using this for development and i'm getting 20-30uA in idle. Is it possible...
Hello, I am working on incorporating flash logging into an application that has a GRTC-driven EGU interrupt (capture/compare event). Here is where I am setting up the EGU...
We are experiencing some ESB link failures on the receiver end of our system: nrf54L15. After minutes to hours of use the receiver will stop getting data (we know the transmitter...
Hi,
I use the nrf51422 chip.I want to know if the ANT establish link between chips,where can I get the matching configuration (like device type、channel ID).I mean is...
Hi all,
I noticed that there are some instructions for testing keyboard on win8.1 or USB dongle.
Can I test it on my iPhone5s which is iOS7.0.4 now?
Regards,
Aaro...
when I use nRF51822 ESB Protocol,I set retransmit delay = 600us,anything else is working
good,communication is very well,but the minimal Tx period is 1.2ms,not 600us,why...
Is there a way to recieve more than one write callback for a given characteristic, per radio session? It seems like I can rx 1 time per attribute per radio session and tx...
I want to generate a pulse signal with PPI, timer2 and gpiote. But it doesn't work. Anything wrong with my code?
void init_timer1()
{
NRF_TIMER1->PRESCALER = 1;
NRF_TIMER1...
I'm working on a product that integrates an nrF51822 talking over SPI to an external display. The display protocol involves a series of alternating 10 us sleeps and SPI sends...
Hi,
Is it possible to skip a advertising channel by maximizing the advertising interval?
I can measure the current consumption of my device through CRO as specified in Evaluation...
My code:
uint32_t err_code;
uint8_t randomBytes[6];
err_code = sd_rand_application_vector_get(randomBytes, sizeof(randomBytes));
When this function is called...
Dear Sir,
What is effect, if I change the Heap Size from 2048 to 1024 in arm_startup_nrf51.s file?
On my project, my device (nrf51822) connect iphone with ANCS, sometime...
Generic Access (0x1800)
General Attribute (0x1801)
can them be removed? if they can't be removed, can we use it instead of customer service? my purpose is to reduce advertising...
Hi,
is there a function that returns free or used memory of the BLE SD? I'd like to know how much memory is allocated for added service and characteristic and make a guess...
Hi I'm looking to Program the NRF9E5 RX board so that the LED remains high until the switch is pressed on TX. So the TX button would turn the LED high and remain so until...
Hi,
How can I use nrf905 with an Openwrt based module? Are there any driver for operation systems? These modules have many gpios.
Openwrt based modules are simply Wifi modules...
Have anybody a solution for my problem ? nRF24LE1 is first in low power state (PWRDWN is 3 or 4) and wakes to send a message. Mostly the message has the same PID identity...
Hi,
I am using the SPI ports (0 or 1) to communicate with a peripheral chip, and the operation is undeterministic.
For test, I put the SPI code to read the peripheral...
