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...
The 3GPP Release 14 introduced new, third power class of 14 dBm for NB-IoT devices. Is it possible to assign nRF9160 to operate at the lowest power rating class, the 14 dBm...
Hello everyone,
I am working on a project where I need to interface an NFC reader (trf7970a from TI) to an NRF52840.
I got everything working fine, but I have a major...
Hello,
I am running S140 on an nRF52840 custom board. While doing some power profiling, I noticed a spike of current of ~15mA when going from sleep mode to waking-up due...
I've created read onle characteristic called "log". In main.c i try to update it by calling : ulogd_characteristic_update(&m_ulog_service,Log_Data_arr)
But nothing happens...
How can delete individual peer bonding data without to affect the rest bonds:
-currently connected (after disconnect)
- some peer by providing RPA (assuming RPA matches...
Hi,
Is it possible to enable the transmission of 2 bytes of preamble and use the TIFS register to force a delay to transmission when in proprietary 2Mbps mode?
Thanks...
Hello, I'm using SDK 16.0, softdevice s132 v7.0.1, I'm sending the device to SystemOFF and configuring a pin to wake it up with
nrf_gpio_cfg_sense_set( IMU_INT2_PIN , NRF_GPIO_PIN_SENSE_HIGH...
Hi,
I am using a 52832 part as a peripheral communicating with a central running on an ESP32. It operates in the following manner:
1. When it is active, the peripheral...
I am getting a "Stopped by vector catch". This isn't particularly informative. How does one find the code location where the fault is generated?
Thanks
Hello everyone,
I just started learning BLE. I want to develop an application that gets RSSI from a beacon and displays the magnitude of RSSI using 4 built-in LEDs.
Beacon...
We want realize mesh network to mibile phone clients using BLE5
We assume we are have to use 3 types of devices:
1) Mobile phone/pad with built-in BLE5
2) Access points...
In our use case we are using the nRF9160 in eDRX mode with an eDRX interval of 40.96sec.
I'm noticing that the power required to transmit a message varies widely between...
Hello, I am pretending to catch BLE packages with nrf52840 dk with Visual Studio Code or Clion, which one is the best for this kind of programm? Thanks
Hello,
I'm looking for some documentation, and maybe a complete list of possible data I can read over MQTT from a Nrf Thingy 91. Specifically, we're using these fields right...
Hi all,
I have read about the local binding between the endpoints (same device) and i wanted to implement this type of binding in a device which has 2 endpoints (switch...