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...
I am using 3 uarts for my applications using nrf52xx, i want uart without fifo,i configure 3 uarts independently and use the
#define APP_UART_INIT(
P_COMM_PARAMS,
EVT_HANDLER...
Hi Nordic forum.
We wanted to update the bootloader over the air. Initially, we had a very plain bootloader (the one provided in the example) but later we added a timer...
Hello everybody.
Please answer my question.
I repeated the Bluetooth pairing ON → OFF of my smartphone and DK 52
(PCA 10040 + HRM) and checked the connection, I encountered...
Hi
I'm trying to use pstorage to save some info (device name, and user info).
I've found the following links with examples:
infocenter.nordicsemi.com/index.jsp
devzone...
Should these beacons be advertising as bought off-the-shelf? I've got six and was expecting to be able to pick up their advertisements but I'm getting nothing.
In this application, I tried to enter a wrong bonding passkey to test PM_EVT_CONN_SEC_FAILED case. But I found that the program went into this case and after executed "sd_ble_gap_disconnect...
We developed a new BLE hardware product using the Laird BL652 third party module. Our product is based on the latest Softdevice S132 V5.0.0.
Now I'm starting the Bluetooth...
I have problems getting the beacon example in the new mesh SDK v0.10.0 working.
I invoke cmake with this command:
cmake -DTOOLCHAIN=gccarmemb -DPLATFORM=nrf51422_xxAC...
Hi there~. This is Matthew! I saw a thread explaining that the production variants of the nRF52840 will first be available Q4 2017 at this link .
I was planning for BLE...
Hi,
I had a difficult problem.
First, S110 & SDK9
ble_stack_init () is the source.
static void ble_stack_init(void)
{
uint32_t err_code;
// Initialize the...
Hi. I'm using nRF51822 as Peripheral.
To init the service for example "NUS", i have to call NUS_BASE_UUID as below..
#define NUS_BASE_UUID {{0x9E, 0xCA, 0xDC, 0x24, 0x0E...
Hey guys,
From what I understand, the minimum connection interval on say, an iPhone, is 20ms. Also, you can send up to 6 packets of 20 bytes within a connection interval...
I have established a ble connection between two dk boards, the code I based on is the ble_app_uart_c and ble_app_uart, and try to detect some rising edge delivered from the...
