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...
I've had good luck running the examples such as the blinky and the basic BLE examples. Now, I'm trying to get the SPI Master example to run, but it does not seem to work out...
Hello Everyone,
As mentioned in nRF51-DK user guide, nRF51-DK has segger J-link debug out functionality. that means we can use this on board segger for downloading hex...
I have the nRF51822-DK and have been able to build and run the sample projects, e.g, ble_app_beacon.
I've just built a board using Taiyo Yuden's EYSFCNZXX module that's...
test the gpiote_example for timer0 in pca10003, the function is ok, LED blinking 200ms. but I change the timer0 to timer1 or timer2, the LED always on,and never blinking....
Hi! I use S130 on nRF51822 device.
After device is connected as peripheral I try to discover services using Master Control Panel but device disconnects. In Master Control...
I'm trying to start advertisement after establishing peripheral connection (on BLE_GAP_EVT_CONNECTED event) but called function sd_ble_gap_adv_start(...) returns NRF_ERROR_INVALID_STATE...
Hi
I'm working on a project to drive a DC motor, I really didn't find any example. I would like to know how can I program a pin in Keil, and I would be happy to have a...
Hello,
I am trying to get a lower connection interval from iOS. But the lowest connection interval I could get were 30ms.
Anyone has experience to achieve the connection...
Hi.
I find this code github.com/.../nrf51-dfu-single-bank-ble
I want to compile bootloader and download it on PCA10004.
I have KEIL 5.12 and the project file of the link...
Hi,
I want to create a service for test logger. Through this service i want to write n bytes at a time and after few delay want to write again some n bytes. These written...
I'm struggling to get started using Keil with an NRF51822 mounted on a custom board that I have cobbled together.
I have opened the blinky/pca10031 example as a starting...
Hello, I have two nRF24L01 devices that can already talk to each other on a custom address. When I try to talk to the nRF51822 from one of the nRF24L01 devices, I cannot get...
services.h
Hi,
I'm writing an interface for my nRF8001 and am a bit confused about the NB_SETUP_MESSAGES value. In my services.h file the value is 14 when it appears there...
