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 all,
I have some problem with the FDS write function.
This is some example codes for my FDS write:
// Global variables
static uint16_t fileID;
static uint16_t...
Hello, I am going over this example here:
infocenter.nordicsemi.com/index.jsp
I am a bit confused how this works. My intention is to create a slave, so a master can send...
Trying to get the BMD-200 board up and running and the blinky_pca10028.hex seems to work just fine but compiling it from source (blinky/pca10028/blank/armgcc)does not. There...
Hi I am using gcc based environment for flashing the nrf52840 SDK with BLE applications. I tried to modify one of the applications to send SPI data received from non-nordic...
I am using sdk12.3 with NRF51822 and the original ANCS project. It can successfully bond with iPhone ,but the bonding only takes place at the first time after the firmware...
Hi, I am currently trying to receive a characteristic notification using an Android device which is connected to a ble beacon with the nRF52832 microcontroller. It works fine...
I am trying to pass data to a central device by updating a characteristic. I am calling the function sd_ble_gatts_hvx(m_bcs->conn_handle, &hvx_params) after passing a hvx_params...
NRF52 DK - SDK13.0 - ARMGCC - Eclipse
I am trying to add a custom service to the example ble_app_hrs.
I add all the part per the tutorial and end up getting error 7...
Hi.
I am working on a project which is using SPI and BLE together.
I wrote SPI code before without soft device. It has simple update function which is sending SPI data...
Hi
I did a bunch of boards for a product, and in the latest version I used a BQ25121 PMIC which also has a reset output which I tied to the nRF52 input. On the previous...
Hi all,
There are lots of posts on the devzone about adding DFU service to a custom application and they have been very helpful in getting to this point.
At this point...
I was looking into changing the S130 attribute table size, which is by default set to BLE_GATTS_ATTR_TAB_SIZE_DEFAULT, and noticed that this default seems to be set to zero...
