Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
Hi,
how long does it take time if i would wake up a nrf51422 rev2 (ANT and BLE) in deepest possible sleep mode ?
And how long does it tai if after wakeup it had to communicate...
I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hello,
i'm a french student so i'll try to do my best to talk in english with you. I'm trying to use and understand the nRF51822 in order to transmit data to a smartphone...
Hi Expert,
why BLE_APP_UART example can use button 1 to button 4 to wakeup from sleep?
I checked source code I only saw the BTN_ID_WAKEUP is 0.
#define BTN_ID_WAKEUP...
Hi, according to the Bluetooth Mesh Glossary , there are 4 features supported:
1. Relay;
2. Proxy (GATT);
3. Low power;
4. Friend.
Questions:
- Which of these...
We are releasing a firmware update which adds an additional bluetooth profile. Since we do not want or can retest the entire stack, we use a Previously Qualified Design (51744...
I'm using NRF51822 with soft device version 6.0.
I'm trying to create an event which should be triggered every 24 Hours. In the current implementation in our code base...
I saw the demo of nRF52832 connected 20 peripheral devices and control the light in the peripheral.I would like to know the more deatil of the whole operation in chip/SD....
I've searched and the majority of answers seem to be years old.
I have an existing app_timer event handler that works perfectly, blinking LEDs.
I will soon have another...
Hi! I'm using two RedBear Nano v2 and I'm trying to read a long characteristic from one of the two devices. As I read in other posts in the forum, I need to invoke the read...
If I'm not mistaken, both S110 and S130 support OTA DFU right?
I understand that nordic semi most likely recommend S130 over S110, but please understand that
my current...
I have previously developed on the nRF24LU1+. This device would have a CHIPID in the InfoPage, This ID would have guaranteed it does not violate the requirements for ESB addresses...
Hi, im using NRF52832 whit SDK 12.3.0, when i compile this error appear, "undefined reference to `nrf_drv_spi_init", i included the "nrf_drv_spi.h" file.
also try to include...
Hi everyone,
I'm working with nrf52832 and i'm trying to send data over BLE for communicate with a mobile app. I saw that we could pass data with the function ble_nus_string_send...
Minor nitpick:
The PS_v1.0 datasheet says that "see the Reference Layout section on the Downloads tab for nRF52840 on..."
There is no Reference Layout section on the Downloads...
I am working on a BLE bootloader using SDK 14.2.0 on an NRF52832 device, using softdevice version 5.0.0. I am able to get the bootloader up and running, and I am able to see...