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...
Hello!
I'm from a small company located in Austria. We are in the smart lock business and at the moment working on passing the CE certification with our newest hardware...
Hello All,
I am designing one custom board where i want to Handle the LEDS, Like in Nrf51DK when we connect through UART_APP from smartphone blinking LED1 on DK gets constant...
Hello,
I have a project in witch I want to send the data received from an Arduino by UART, this data has a size of a little bit less than 80 bytes, this data is received...
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We are trying to port our app from softdevice v3.0.0 to softdevice v5.0.0. We note that the data length and bandwidth configuration procedure has changed drastically...
Hi,
I need help with alert notification service. I am working on alert notification example provided in the SDK 12.3.0 with S130. I tried this example on nrf51422 development...
I have tried to use sd_app_evt_wait() to sleep cpu, and use gpiote interrupt to wake up cpu from sleep.
However, gpiote interrupt cannot wake up cpu.
When I use __WFE()...
Hi,
I am trying to send sensor(accelerometer) data through beacon. I am basing my logic on the beacon example. I am putting my sensor data into an array and passing it...
Hi,
I have an nRF51 DK, found here www.nordicsemi.com/.../nRF51-DK .
I am using SDK V11.0 and S130 V2.0.
I am developing on a Linux machine.
I can compile and run...
Hi.
I'm using the Power Profiler Kit and the PPK desktop application to log the power consumption of my device. This works well for short time spans.
However, I'd also...
Hi
I'm trying to delete all files with a given file id. Will fds_file_delete() delete all files with a given file id, or just the first one it finds?
thanks
SDK1...
Hi
I'm trying to use fds_record_find() to detect if a record exists in flash storage. After erasing the device (via nrfjprog), flashing the softdevice, flashing the program...
I use an app_timer to periodically update sensor reading in my application. There is a characteristic used to change updating rate by stopping and restarting the app_timer...
Hi,
I work on a project for the nRF52832 with Keil µVision using ARM Compiler V5.06 update 2 and nRF5 SDK 11.
In a module I allocate quite some memory using malloc(...
