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 interested in transferring large data (>255) over SPIS.
My application requires that the nrf52840 is operated in SPI slave mode. To manage such transaction I have SPI...
Hi ,
I need using dimming server example to add FDS function. But I meet some unstable sitation.
The bellow is the log show how the issue happens.
sometingtimes,FDS...
I am developing a robot controller(Central, nRF51822).
However, I am having a problem with UUID.
And I am using the ble_central (s130 ble_app_uart) example.
The figure...
Hi
I am developing a bootloader for nRF52840 using SDK 15.2.0 and s140_nrf52_6.1.0_softdevice, that should support both USBD and BLE transports.
The first transport layer...
We are using NRF52840 with Softdevice 340 and several sensors connected via ANT and BLE. NRF is connected to STM32 via serial UART connection and use ANT serial protocol for...
I am using PPK to measure current. The system uses 2 CR2430 in parallel.
I observe that
1. When using the battery as external supply, the battery voltage drop to 2.5V...
I am using the original board. It does not have a 32kHz crystal.
So I want to use the built-in RC oscillator.
In addition, use the time example of nRF5_SDK_16.0.0. "NRFX_CLOCK_CONFIG_LF_SRC...
Hello,
I am using nRF52840 S140 v7.0.1. I have few queries on DTM functionality.
1) As per standards, we can do DTM test either by sending HCI commands or UART commands...
Hi,
Using Eddystone example I configured EID and TLM slots. I see in nRF connect app both EID and encrypted TLM(encrypted data, salt, MIC).
How to exactly decode the...
Hello,
we are experimenting with the Nrf52811 CTE feature and have a few doubts concerning the documentation. We program our experiments with bare-metal (no soft device...
Hi,
I am working on one business use case. The basic requirement is to monitor the outdoor air environment from different locations. I want to try out the initial things...
Hi,
For nRF52840 BLE, in the DFU (OTA) example (buttonless OTA):
../nRF5_SDK_15.3.0_59ac345/examples/ble_peripheral/ble_app_buttonless_dfu
How scanning is done? Or where...
