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...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
I've gone through the user manual for the Nordic Power Profiler Kit, but I can't find any basic information on how to understand the plots and the measurements reported under...
I would like to have one central and two peripheral connection. Ad functionality required is same as NUS UART Example. But the example code connects to only device. Can any...
Hello,
i would like to connect two Redbearlabs Nano v2 just with eachother. The central one connects just to the peripheral, but the peripheral is still open for every...
Hello There,
I found following dongle based on nRF51822.
They claim same will work for bluetooth 5.0 also.
I know BT5 devices are not backward compatible, so not sure if...
Hi,
How can I share a GATT server profile constructed on nRF connect for PC with nRF connect for Android ?
'Save/Load setup' on Windows PC stores/Load json file
In...
I've got a set of boards that are behaving very strangely. I attempt to turn on the HFCLK but the HFCLKSTARTED event never comes nor does the HFCLKSTAT register indicate that...
I cannot suffer this tool anymore. As u can see in the pic below, it provides a cursor mode to measure the currents of X1/X2. However, users always need to know the average...
Hi,
I want to connect 4 antennas to nRF52832, they respectively points to North, South, East and West direction.
Also I hope the nRF52832 can do switch antenna job,...
I'm trying to use gcc and eclipse but I'm getting an error in eclipse that certain variable names cannot be resolved. I know that its not being able to get the variable names...
Hi,
I am developing a small development board of visiting card size, which is powered from a coin cell. I have two questions,
All i want know is there any polarity...
Hi,
do sd_flash_page_erase or sd_flash_write provide any guarantees that the command has executed successfully or should I do a manual check to verify if the page was really...
Hello all,
I am working on nrf52832 Board and i want to use it as translator to send and receive the data , please tel which pins i need to select as UART(rx,tx) pins ...
I am designing a custom board with nRF52840, powered by USB, no battery, using its internal LDOs to supply other peripherals with 3.3V
I have two questions about pins/outputs...
Hi
I generate a pwm signal via changing the state of one characteristic. In general, the pwm works fine. But the problem occurs when I add the timer which is responsible...
Hi guys，
I use the 51822's PWM recently, PWM is made by GPIOTE+PPI+TIMER, and the PWM source code as below(I use TIMER1, GPIOTE[0], PPI_CH[0], PPI_CH[1]， period and duty...
