I have a project that has been deployed for a few years, which we regularly update via DFU in BLE.
On this project, I had to increase NRF_SDH_BLE_TOTAL_LINK_COUNT.
This...
i have PMIC(I2C based )Max20360 that is developed using twi sensor , to this when i am intergrating a SAADC part throws error error # 134 :expected a field name . 1)why am...
Hi, when I am trying to set up channel sounding, I am looking for the best parameters for CS configuration. The main problem I have is that even with slow movement (1 km/h...
Dear sir,
I'm using the sample application "channel_sounding_ras_initiator" to performing the evaluation. Here are my test environment: - Developement kit: nRF45L151 - Tool...
Hello,
I previously used DECT NR+ modem firmware mfw-nr+_nrf91x1_1.0.2 on nRF9151 DK Development kit and moved on using the new modem firmware mfw-nr+_nrf91x1_1.1.0.
But...
Hello,
I’m having an issue with my setup: I have a nRF9160 running the bt/peripheral sample through a nRF52840 (running the hci_lpuart sample). It seems to work fine with...
Hello,
I am using nrf52840 MCU.
I am developing a product which have 2 I2C and 2 SPI interfaces. All the interfaces are on different pins.
I developed this thing with...
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...
