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...
Hi,
I'm trespassing some code of nRF51 to nRF52 (s132, SDK 12.2.0) and I get an error when I try to call sd_ble_gatts_rw_authorize_reply. This is the code
case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST...
I'm using the beacon example (SDK 12.2.0) which I've modified slightly so that a sensor output initiates advertising for 20 seconds with LED1 flashing accordingly. I want...
Hello I was working with the Flash Storage examples in the nordic github repo. I noticed that the FDS example while it has a IAR Workspace it does not have the associated...
Hi,
I am having trouble with buttonless DFU on my application. I am working on custom hardware on the nRF51822, SDK10.0.0, S130.
When I enter DFU from my application...
I'm working with pca10028.
Then gpiote interrupt is triggered twice.
Why is this happening?
And what is BUTTONx_EXT connected to PCAL6408A(U7) in schematics?
Hi,
I am new to nordic development. I have programmed segger program softdevice by s110_nrf51_8.0.0_softdevice.hex and program bootloader by dfu_dual_bank_ble_s110_pca10028...
My project is to communicate with the AD7780 via SPI.
Nrf is the master and AD7780 is slave. I am know implementing my solution referring to an example i found about SPI...
I'm trying to make the nRF51422xxAC advertise. Using Segger Embedded Studio.
I have this code: bpaste.net/.../f29f74986c10
On line 109, I have a breakpoint. At that...
I've followed the tutorial about setting the eclipse environement devzone.nordicsemi.com/.../
I've got every thing to work except the debugging, it stops every time at ...
Hello,
I am trying to set the nRF52 to power off and wake up on a momentary button push (scope measures momentary push logic low around 50ms-100ms). However, I am struggling...
This is from the previous Blog: devzone.nordicsemi.com/.../
I've looked at the other dev boards. I found this one nRF52832 System on Chip and Amber SPP-over-BLE profile...
Hi,
I'm using the nrf52832 Nfc and I can't set a variable nfc message, the nfc message must be constant... In my case I'm trying to send a text via BLE and put it on the...
I found lots of macros in Makefile like below,but I did not found they were used in C or assemble file. I am cleanup my Makefile to remove unused macros... so could I remove...
I'm using a 51422 for a very short range, fixed system. I will never need the chip to receive or be received from more than 5 meters away, and more often just 2-3 meters....