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, When I test the SPI with extern flash W25Q64. I found that receive data from W25Q64 is all Zero.
The "blue line" is MISO. The "yellow line" is CLOCK.
According to...
Hello. We evaluate DFU using nRF 52840. After writing sd_s140_bootloader_buttonless_with_setting_page_dfu_secure_ble_debug_without_bonds.hex to nRF 52840-DK, we updated using...
Hello,
I'm playing with nRF52840 on a custom board, trying to connect to the chip via SWD. Segger Flasher is being used, on MacOS. Typically I was able to connect to the...
Hi,
I am having issues to program a NINA B112 using the debug out port on the PCA10040 development board connected with a tag connect 10 pin cable, but when trying to program...
The project is cobbled together, but starts from TWIsensor in the SDK 14 examples. The project is compiled with the gcc toolchain which has not given me any trouble. The project...
I am trying to use UART with interrupts and fifo, by using nRF52 SDK 12.2.0 example. It works until the first overflow, after which I cannot any more receive characacters...
Hi!
I'm using an NRF52 with app_uart. As expected at 115200 baud rate, I occasionally get overflow errors which I can see in my event handler.
However, after these errors...
Hi,
Where are scan requests sent? I'm trying to find the function that does this because I would like to disable it.
I only want to connect with a peripheral based...
Hi everyone:
I am using the NUS (nordic UART service) in my project, and find one problem in this project. The development bench is: SDK13.0, nRF52 DK.
If I build a NUS...
Hi,
I used IOT TCP Server example of nRF5 SDK(Ver.15.0) to complete the communication
between the Raspberry Pi and the PCA10040.
But I found that the communication speed...
Hi,
1. I want to disable MCU UART connection which is SB with GPIO pin 5, 6, 7, 8 and I need to connect that pin on arm based processor so desoldering those short bridge...
Hello,
we are facing a weird issue with a few models of smartphone since we increased the max MTU size. We are testing at the office with the Xperia E6553 but the Samsung...
Hi there
I am stuck. My incremental wheel with photocell and comparator circuit does not work if the QDEC hangs on it. But seperately it works fine.
When I hang it to...
