Hi all,
I've developed a broadband vibration energy harvester that is able to pick up uW of energy from just a couple Hz all the way to 150Hz. I'm currently looking for...
We use SDK12.10 Main.c (d:\nordic\5142xx\software\org-sdk12.1\nrf5_sdk_12.1.0_0d23e2a\examples\ble_central_and_peripheral\experimental\ble_app_hrs_rscs_relay.
My question...
Solved: Well, turns out delay and SCK doesnt work well together haha. I imagined the sck signal to be a background thread of some sort. I was wrong.
Hi guys,
at the...
Hi
Im looking for a developer in Denmark to discuss ble technology with. Im trying to get better to understand the technology, because i have some ideas involving beacons...
This system does not work if I enable the third Pipe (Pipe2) .
The system is working without any problem as one RX and two TX (Pipe0 and Pipe1).
The problem on enabling...
Hello,
i have read if not all posts about writing to FLASH while using BLE. But could not find the desirable method.
What i would like to do is to write to flash from...
Hello,
i have read all posts about writing to FLASH when using BLE. But could not find the desirable method.
What i would like to do is to write to flash from characteristic...
Hi,
We are working on a smart lock project with nrf51822 third party module with an antenna on pcb.
We are trying to cover 50 cm range at -20 dbm. But even at -30 dbm...
I have created a library for HD44780 Hitachi LCD, and I can transmit data to the LCD through an IO Expander without any problem over TWI lines. Right now I am not using any...
Hi,
I'm learing how to use the NRF51 DK and I'm trying to modify the app GPIOTE example including the uart functionality.
I insert in GPIOTE the directive:
#include ...
Hello,
I try to add battery service in ble_app_uart , but it has some problem.
The Problem is that I can see the Battery service on the phone , but it doesn't change...
Hi,
I am using 'pstorage_update' to store data in the internal flash. Whenever the number of bytes that should be written matches the size of a storage block everything...
Hi,
I want to test my PN532 module recently ordered from iteadstudio.com . .i have keil ide and tool chain and nRF5_SDK_11.0.0_89a8197 with adafruit_tag_reader example but...
I want to use the CMSIS-DAP provided here github.com/.../CMSIS-DAP
with the ble nano MK20D board. I don't need to make any changes to the bootloader. Just the firmware that...
Here: email.1and1.co.uk/.../Part_1.html
Bluetooth low energy (formerly Bluetooth Smart)
Shouldn't that be the other way round; ie " Bluetooth Smart (formerly Bluetooth...
hi, i gonna make a single wireless communication between nRF51822 chip and smartphone(nRF Toolbox) .
i can download some refernece layout of nRF51822 chip but there isn...
To adding more 128 bit UUIDs, more services, and more characteristic.
vs_uuid_count is the number of 128 bit UUIDs.
But I figured out the attr_tab_size only by increasing...
Hi there!
I want to send a float from nRF51822 to MCP App. I use this code:
float m_temperature = 26.3f;
uint8_array_t temperature_data_array;
temperature_data_array...
Hi everyone,
I was wondering if there are any issues turning on and off the ANT transmitting channel during run-time of nRF51422 with this:
err_code = sd_ant_channel_close...
I want to use master spi mode ,but when I build the file,it is always error.I operate like this ,First I open the project in ble_peripheral\ble_app_hrs\pca10040\s132\arm5_no_packs...
