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...
In the SDK the multi protocol example switches back and forth between Gazell and BT with a button press. Is it possible to maintain a BT connection and a Gazell connection...
Hi,
I have a quick question regarding isochronous data transfer. This type of transfer is still in the draft but are there any hooks in SoftDevice that would enable us to...
Hi I'm brand new to use nrf52840, but hope there is one that can help i need a counter / timestamp. If it's a counter, it still has to count even if you do something else...
Hello Everyone,
I am using Martinsbl / nrf5-mpu-examples nrf52-mpu-easydma-using-timers-and-drivers. When I tried to change the TWIM_RX_BUF_WIDTH to get the gyro data, the...
I'm totally new to Nordic solutions. I was programming a lot in assembler in 8051 era 20 years ago. Now I feel lost in that new solutions.
I have PCA10040. It is connected...
Hi everybody
I'm working on an application where I want to sample microphone data with the adc (NRF52 DK board, nRF52832) and send it over BLE to a central device. I've...
Hello, we just made a raw board with the MDBT40, which use a nrf51422 chip. I downloaded SDK version v12.3.0 (which supports nrf51) on the nordic website. With nrfGoStudio...
Hello, I am trying to use the 'nrf51-pwm-library ' on mBed with a nrf51822 on RedBearLab Nano.
I copied the nrf_pwm.h/c files and they compile, but I never get any sort...
Hello everybody ! Designing with the development board nRF52832 and SDK14.2.
My code is based on the code of the "ble_app_multilink_central" on which, I added some of the...
Hi
in pcb designing of the nrf52832 we use two oscillators one is 32 MHz and another one is 32 kHz.
can't we use both 32 kHz instead of one 32 MHz for saving power consumption...
I write the code base the nRF5_SDK_12.1.0_0d23e2a\examples\ble_peripheral\ble_app_uart
I add some button and led function in it.
and add weight measure mode with HX711,...
Hello World...
I wanna share with my new progress to implement machine learning for nRF51822. Here it is how to make it possible. after questioning to forum that using machine...
hi,
I want to know why app_timer and nrf_drv_timer conflict。App_timer is used to broadcast data。When App_timer time out ,timer1 start.
Cannot broadcast data after initializing...
Hello everyone,
I generate an interruption when an rising edge is detected on one of my I/O.
It seems that the interruption doesn't trigger correctly for an input frequency...
