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 am working on a project based on the Mesh SDK 2.0.1 light_switch example. The system is using SD 6.0.0 and PCA10040 boards. DFU is successfully implemented on the...
Hi,
I work on nrf52832 with the serialization.
The nrf52832 connectivity part is load with S132 V6.0.0 (uart hci).
The stm32 will communicate with the 52832 throught...
Hello, can you say me:
1) which Stack parts in Mesh SDK: nrf5_SDK_for_Mesh_v2.0.1 are implemented in harmony with Bluetooth Mesh Profile Specification and which are not...
Hi,
We are attempting to send data via BLE every 100 ms using an app_timer. The app_timer sets a flag and in the while loop in main.c we call
ret_code_t err_code; do ...
Hello, i'm currently doing my own DFU central for the BLE DFU on SDK 13, i followed all the steps on this link , i created the init and image files with nrfutil and now i...
I am trying to connect my Ubuntu machine with my nrf52 custom board my setup is as follows, Ubuntu machine --> FTDI USB2UART --> HCI interface of nrf52 I can see on my logic...
My application (nRF51 S130 v2.0.1 SDK12.3.0) uses the Radio Timeslot feature for multiprotocol support similarly to the example in https://github.com/NordicPlayground/nrf51...
am trying to synchronize two nrf52840 thank's to state gpio with gpiote function but it return an error code 4 (No Memory for operation) whith this line -> NRF_LOG_INFO("no...
Hi Nordic Team,
What I want to achieve is to add a service with a custom 128-bit UUID that has about 4 characteristics with a completely different 128-bit UUIDs that are...
Hi Nordic,
I'm using NRF52832 to design a producation that needs four SPI interfaces.
The four spi peripherals are: gSensor, LCD, SPI Nor Flash, and PPG Sensor. Now...
Hi,
I'm working on a custom board with the nrf52840 engineering version n52840QIAABB with de SDK15. I've tried the exemple usbd_ble_uart from the SDK15 and it works well...
Figure 1. Data encoded and sent (attached)
Figure 2. Screen shot of wrong Time data (attached)
Here is some code that seems to be correct, sending 10 bytes that look...
Hi ,
I want to know how to give passkey to nrf8001 peripheral mode if it dont have display/keyboard/button, I have hear about justworks but not sure how it will work. Could...
Hello,
I am was playing around a bit with the twi_scanner-example and I figured out, that no matter if I chose the legacy-layer with nrf_drv_twi-functions or the new nrfx_twi...
Hello,
I wanted to ask the community/Nordic for protocol advice for a specific application. I want to connect a series of sensor modules in a hotel. The sensors are in adjacent...
