Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi,
I am trying to use APP_TIMER to detect if a sensor isn't responding to I2C Commands. I created and started the timer with the following steps. The project is based...
I'm using an ISP1807 at 1.8v in a very space constrained and power constrained device.
Is it ok to connect unused pins to GND to make routing easier?
Pins 3, 5, 8, 10...
H,
I am using the SDK 15.0.0 and Segger Embedded Studio for ARM V3.40.
I have been successfully defining a flash memory section for data exchange between the bootloader...
Hi,
I would like to enable the RAI support in the latest master branch of nRF.
Therefore I had a look at the kconfig reference:
https://developer.nordicsemi.com/nRF_Connect_SDK...
Hi,
In my current project I have two type of boards. Some have the external 32kHz crystal mounted and some not.
I am trying to detect the presence of the external crystal...
I am looking at using SRP in our application and I am looking through "nrfxlib/crypto/nrf_cc310_mbedcrypto/include/mbedtls_extra/mbedtls_cc_srp.h".
There is a parameter...
Hi. I think I did a huge error by uploading the soft device S140 after erasing all.
Which lead to the device being locked. I tried to use J-link GDB Server still the issue...
Hello! I have a question about the work of nRF52 with memory, why does it work so crookedly? The first situation. We have a static void nus_data_handler (ble_nus_evt_t * p_evt...
I'm facing an issue with the build failing when using the gcc-arm-none-eabi-9-2019-q4-major toolchain on Windows 10. I saw a similar post here, github.com/.../22060 , but...
Hi,
I am struggling to get my WS2812 LEDs to work with my current setup. I am aware that I need logic level shifters, but Im still not sure if my hardware or software is...
Hello,
In our project, we have a BMD-300 module, which contains a nRF52832 chip, and a nRF52840DK. The BMD-300 module is used as peripheral and the nRF52840DK is used as...
Hi!
I would like to send and receive IEEE 802.15.4 compliant packages in a very simple way (no ACK, no routing, just raw data transmitted). For the simplicity of the task...
Hi,
i am using sdk 16 , nrf52832 .Merged with two sensors , i am storing it all in an array
example
uint16_t array[7];
array[0]=67; array[1]=90; array[2]={90}; .so...