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...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hi,
we are planning to implement RTOS in our application. we are exploring both freertos and rtx. any comments on these parameters will help us in making the decision;...
I need to write some code at the NDK level to access some Bluetooth features that aren't exposed at the Java level. For example, I want to have a 2nd bluetooth adapter on...
SDK Version: 9.0.0 Softdevice: S110 v8.0.0
I'm currently trying to send streams of data from an Android app to a nrf51. However, at some point, Android side writes to the...
Hello,
Our device based on nRF51822 with SD110 v.8.0.0.
The firmware use defined area in top of the flash to store some data.
The "RAW" functions sd_flash_write and sd_flash_page_erase...
Hi Team,
Is it possible to scan on one channel and advertise on another channel?
Say node-A will scan on ch-37 and advertise on ch-38 while
node-B will scan on ch-38...
I'm trying to use the NRF51DK to talk to this EEPROM ( www.st.com/.../CD00290537.pdf) . I've started by trying to modify the twi sensor example. One of the things that's different...
I am new to nRF51:
how do I change the softdevice from 110 to 130 in the example project ble_app_uart (and in general) within the Keil µVision IDE.
There is no option...
Hi,
I am developing a product for the 433MHz band. Due to the space constraints I had cut the ground plane to very small and also had to rearrange the components away from...
Hello everyone,
This image was copy from "infocenter.nordicsemi.com".
I'm trying nRF51-DK (IoT SDK) with Coap server , (raspberry pi with Coap client by python example...
Hi,
we are using RTC2 with APP_IRQ_PRIORITY_LOWEST. But the code hanged inside the interrupt handler. when we did step through debug, we came to know that in nrf_drv_common...
In nrf52_SDK/examples/peripherals/rtc we tried adding the UART prints and verified. It was working fine for RTC0 but fails to do for RTC1. Could you please give any hint on...
Hello together..
i have a problem with the nRF51 DK.
I tried a little bit with this DEVkit i.e. copy the blinky example to the JLINK storage.
This works fine.
Regarding...
Hello,
I am developing a new product using S130 on nRF51822(QFAC). My product use LCD as spi interface and ADXL345 sensor as i2c interface, also test it, works well without...
Hi all:
To saving power I implement the function to read data after interrupt is triggered..
below are my codes..
My expectation is..
Let CPU enter idle mode to wait...
