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 uploaded the app to the kit as I have been doing it for the last 2 months and from now there is no way to get back to advertising mode. Before, I used the nRF Master...
my purpose is like that:i want to collect some useful data from external sensors before initial BLE ,and when the the nrf51822 advertising,i send this data out to the smartphone...
Hi,
I am trying to use the PCA10004 board in a custom application without the use of starter kit.
When I burn the nRF51822 chip with my custom program, in my custom hardware...
2mA in ON mode (IDLE) far too much.
One timer should running to wake the device up after one minute, to take a measurement before going to sleep.
nRF51422_PS_v2.1 ...
I've had an iBeacon-like app running great for months and am now entering limited production so it's time to protect the code. Enabling "Lock entire chip from readback" in...
Hi,
i need to write a linker script for using S130 in my project.
in the moment i don't want to use a boot loader so maybe some one can help me with the correct addresses...
Hi, everyone~
My goal is to collect data from 4 sensors simultaneously using iPhone.
Now, my testing code for sensor nodes is working fine. It was built based on the...
I am an android developer and I am using your nRF Master Control Panel (BLE) product as published on Google play. Below is the link to the app:
play.google.com/.../details...
I want to build a USB dongle, so I purchased the nrf24lu1+ development kit. However, in order to program the target board, it would seem that I need the nrfgo. Is this correct...
What does error code 4 mean?
I am looking through the documentation for the error code number to string translation.
Why is starting a timer causing the error code 4?...
I am trying to sample the ADC every 2ms. I notice lots of slowness with BLE advertising and typically can't connect to device over BLE when sampling. I am using PPI, configuring...
