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...
I'm looking for a simple and inexpensive solution for tying the TX and RX pins to GND after burning the OTP in production. What have other people done? I'd like to avoid having...
We are trying out nRF51822. My colleague has a top of the line Lenovo running Ubuntu and is able to detect the module when scanned. However, my macbook pro Mid 2014 (Which...
Hi everyOne , i have been trying to upload my hex file into my controller, but every time i click the "Load" option in KeiluVision a window pops out..! it shows " No Cortex...
One question came to mind while browsing through the SDK example code documentation:
as there is a blinky and a blinky RTX example, do all the projects which use the soft...
Hi!
I looked through the forum and didn't find the answer.
Our team is developing product with STM32F411 MCU and nrf51422 module. We need to provide firmware OTA update...
Hi
I have been reading for a few days now, through the nrf51 documentation, the forum, and getting a bit of a grip on the proposed concepts in the DK.
However, what I...
I am trying to create a Smart Home for my electronics project using BLE. I'm basing it on the nRF51822. I want to control 5 appliances (light, fan etc.) using relays.
Anyway...
Hi
I want to use my own 128-bit UUID with an nRF8001 chip to send data (soil moisture) to many devices at once without them having to connect to the device. It seems that...
Hi All,
We have been working on Arduino Mega board with BLE shield.
ble_disconnect API is added in latest RedBearLab/nRF8001 Library Code. We have integrated the latest...
I do have a program working perfect on the nRF51 EK with a CA revision chip. If I program the software on a nF51 based module (from e-bay brown PCB) with a C0 revision chip...
Hi,
I have created a custom BLE profile with four primary GATT services and each one includes a attribute which are not in bluetooth SIG adopted uuid's list. So please...
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Hi, everyone!
As the pictuer, is there any difference between the 6 targets? Or why there are so many targets?
What's the difference between "nrf51822_xxaa...
