Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
This is not a real question for support. It's more a success story i'd like to share with you!
Our company develops firmware for various customers on a lot of different...
Hi all,
What is the maximum data rate for the nRF24AP2 when using the Synchronous serial interface?
I cann't see it in the datasheet.
Is there anyone can answer me...
Hi,
In my design, there is a tag used by 24l01,It can transmit the temperature value.In the tag, the parameters are like this:
addrofch[0] = 0xe7;
addrofch[1] =...
We've been working on a product that utilizes a NRF51822 chip as well as WS2812B NeoPixels. Since there have been numerous posts about it here we've decided to release our...
This might not be the correct place/forum to ask this question.
Since a couple of days, I am not able to step or next with gdb .
I understand that gdb needs to know what...
Hi：
Now keil4 default is to use the 16_bit THUMB instruction set, if I want to set it to start the program using the 32_bit ARM instruction set, how should we do? thanks
Hi,
After reading some questions about these topics I became a little confused.
I want to count milliseconds, so should I use Systick_Handler or use Real Time Counter...
Edit 1
To narrow down I did this... Below is ble_dfu_init() from ble_dfu.c.
uint32_t ble_dfu_init(ble_dfu_t * p_dfu, const ble_dfu_init_t * p_dfu_init)
{
uint32_t...
I am running NUS and a custom service.
I have updated vs_uuid_count = 2 in softdevice_handler.c
Following other posts on the forum, I have stepped through the code using...
Hi,
I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
Hello everyone
I was not able to find any explicit statement regarding the use of the TWI_APP with easyDMA on the nRF52 series and SDK13.0.0.
I checked the examples...
Hello guys,
I am currently looking at the recommended schematic QFN48 with internal LDO setup and I have a few questions (sorry, if they are silly, I am a newbie).
...
Hi, I'm working on an extremely space-tight design and need some clarifications. It is an nRF52832 QFAA chip with a Johanson 2450AT18B100 chip antenna.
Up to this point...
Hi,
I would like to use higher dBi antenna instead of the DK pcb antenna. Can I say the pi-network before J1 (measurement point) probe is 50ohm? Hence I can just remove...
I am trying to control another BLE device with nRF52xx. For controlling the device I need a terminal for connecting, disconnecting and switching on & off a sensor. I have...
I am using NRF52DK and trying to debug an SPI transfer, using SEGGER_RTT.h to print. However, printing of the logs are not consistent. Some debug lines do no appear in the...
Hello,
The only semi-official information that I can find regarding the differences between PCA10040 1.1.0 and 1.1.1 DK boards is this post . It suggests that there are...
I recently ordered two NRF52840-PDK and a Segger J-Link Base to program/debug the boards.
Then I just read that the development kit have a J-Link OB included, or I could...
