I would like to develop my own central device to communicate with the RedBear Arduino shield. The RB device uses a from of UART communications to send data to/from Android...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
I have done some reading on the forums and have seen that Martin Bohrs-Lind has ported the EMDv6.12 to SDKv14.2 and the nRF52832, here . I have keil v 5 compiling his work...
Hi
What would be the best way to interface a wireless charging circuit with a nRF52 device?
I've found a IC from Texas instruments that does the job, but is it safe to...
Hello,
I am using sdk12.2.2 and nrf52832 customized board. I am putting mcu to sleep mode using sd_power_system_off. Now when I am pressing button for first time I am not...
Using the include files and .dll file from
www.nordicsemi.com/.../nRF51822 -> "DOWNLOADS" -> "nRF51-BLE-Driver-Win" I have created a C# wrapper for the driver. I works so...
Hello,
I'm using multiple GPIO pins as inputs. Should I use nrf_drv_gpiote_in_event_enable() for each pin? Also how to configure the input_event_handler() to handle the...
Hello,
I'm a beginner on BLE protocol and i would like to send data during approximately 4us,stop it during the same time and transmit signal again during 4us and so on...
Hi
I’ve downloaded nRF5_SDK_11.0.0_89a8197 and starting with examples from \examples\ble_peripheral\???\pca10040\s132\arm5_no_packs\
I'm writing an application to be running...
Hi
I am new to ARM and Nordic programming.
I want to send one HEX byte via SPI.
It works with some HEX numbers and with some numbers it wont.
0x13 / 0x15 work
0x14...
I wonder if it is OK to change the lpcomp ref input on the fly, without any other stop task or disable/enable. Just like this:
//--------------------
static void lpcomp_set_ref...
i want to print the data to the uart to see the values in the uart..i am unable to initialize the uartt..
what are the things to be added for the initialization of the uart...
Hello I need to increase the maximum number of servers for clients to 100. I saw that in the light_switch_example_common.h file, the definition #define SERVER_NODE_COUNT ...
I am developing on a nrf52 board and trying to use sd_power_reset_reason_get(&uint32). This function should only be able to return succes, but I always get back 1. I saw a...
Hello,
I have a strange issue, when I set the name of the bootloader dfu peripheral name, inside of sdk_config.h
#define NRF_DFU_BLE_ADV_NAME "DfuTarg"
When I scan...
Even immediately after issuing a gc (garbage collect) command, "freeable words" is still 1022:
Why?
What does this number actually mean?
The documentation just says...
I'm hitting a couple of different logging issues with the latest SDK15. In the most recent case it appears std_n is hanging while calling nrf_log_frontend_dequeue.
Attached...
