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...
Dear all,
I checked the SDK release note and found Nordic decide not to support CMSIS anymore.
As I developing with 52832, I try to use FreeRtos to control the whole system...
Hi: I want use freeRTOS on nrf51822 based on sdk10. But when I open the example project"blinky_freertos"and try to use it, The keil5 manage run-time environment tell me "install...
I am developing a BLE peripheral with SDK9 and SD110. The PPCP are 80-400ms, 5 slave latency and 5s supervision timeout.
I am currently running some blocking code in response...
I'm having trouble with my call to ble_advertising_init when using S130 soft device v2.0.0 on an 10031 device with SDK 11.0.0, I'm getting error_code 7.
When I try and...
Hello everybody,
Does the S312 v2.0.0 handle BT operations completely independent for each BT connection? Can I read/write from/to different characteristics on different...
Hi!
I am studying some program code of BLE examples.
I have a doubt about what does the evt_handler() do.
E.g.
in the example "ble_app_hrs_s130_pca10028"
static void...
We are treadmill developers and we want to include bluetooth capability to our products.
We found, on the bluetooth website the RSC characteristic ( Running Speed and...
When switching to nRF52_SDK_11, the compiler does not find core_cm4.h which is found in components/toolchain/CMSIS/Include.
I get this when compiling
nRF5_SDK_11.0.0_89a8197...
I am trying to program a custom board connected via the DK. The custom board is 16KB version (nRF51822 QFAA). RTT consumes lot of memory and hence my code does not compile...
I am using nRF51422xAC SOC.
It is advertising perfectly and able to catch that with sniffer module. But unable to find the same device on any mobile phone. I've tried with...
Can i use the nRF Toolbox app as a BLE peripheral and the nRF51-dk[PCA10028] as a central device.
Also,if not,then please suggest any other App that can be used for the same...
Hello,
I've downloaded nRF5_SDK_v11.x.x and install it, my keil version is v5.14. I flashed s130 v2.0.0 into nrf51DK, then build "ble_app_beacon" basing on SDK v11.0.0 and...
I use the S110-6.0.0 to find the iphone ANCS service,return attr missing. The 16bits UUID is xF431.I have added the long UUID ble_uuid128_t ans_base_uuid = {0xD0, 0x00, 0x2D...
Hi~
I used keil software environment for development.
Apply Ble UART example code from nordic keil example.
Example code down load to nRF51 Development Kit and run, program...