How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
Hi,
I've read a lot of question on the forum, but I'm a lit bit confused about what I have to do to use one static passkey on the central and peripherical device. In my...
Hi There,
I'm having problems with my hardware timer appearing to stop counting or not being cleared via a short when the timer interrupt is executing.
In my application...
Hey!
I want to use the nrf51 BLE-module in some special environment.
It should be able to work with bluetooth and in addition to it with some other RF protocol (Gazell...
Hi,
I have added "DFU" functionality to my existing BLE application Test.rar .
"I am using nrf52 SDK v11.0".
I have programmed the device with softdevices (S132.hex...
Hi,
I am new to eclipse on windows.
I have bought the PCA10040 board.
I have installed eclipse and GNU ARM Eclipse 3.1.1 plug-ins.
Copied the NRF52-SDK into workspace...
Hi developers,
I am trying to collect data from an AFE (ADS1298) and could get some values. Inorder to check the accuracy I need to plot this value. I am programming this...
Hi,
I am running the nRF51822 from a coin-cell. I need to measure the cell voltage. Until now, I have attached VDD to an ADC pin with a voltage divider and a capacitor...
Hello~
In my production line use jig contact my PCBA, and use Jlink connect to Nordic 51822 download FW, but I found sometime can use 500kHz and sometime can't use, just...
Hi
I am using nRF52(PCA10040) as a sniffer dongle, but it seems the sniffer mode cannot work, and shows the error log: "INFO: Error on port xx. file: Packet.py, line 245...
First step of trying to integrate S132 to a small OS is failing completely.
When I use SVC the system ends up in hanging in hard fault.
The SoD handler ends up trying...
I am testing to develop an application that sleep (system-on mode) for most of the time, and it wake-up periodically to send out somethings.
As I would like to lower the...
Hello,
After when I download the protocol stack（S132）.The target is NRF52832 chip，tool is J-link OB.
I choose to recover nrf52 ，then prompt unable to fine or open the...
Hi,
In ADC, we would be using the internal voltage generator as the reference voltage. How stable is the voltage coming out of the reference generator. Would it be always...
It appears that, if I wanted to write characteristics to my BLE device, I can utilize the writeCharacteristic method of the BluetoothGatt class. Is this the right way to go...
