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,
We were middle way during the development when we found out that we had a higher packet loss than what is acceptable.
So we start to analyze this issue.
Scenario...
Hi,
I reviewed the PCA10121 schematic for using SPI4 pins to connect to Semtech SX1262. Since SPI4 bus also connected to SD card and DSP. I checked to see if SPI0..3 pins...
In my application, we regularly transmit a stream of notifications from a Peripheral Server to a Central Client. The general strategy for this is to enqueue a packet, and...
Hello in my app I based it on the BLE UART example and have it pretty much up and running but I need to be able to send multiple messages from the Central to the Peripheral...
I am tring to update the DK bootloader by entering the maintenance mode by pressing the reset button while plugging in the DK, but the board does not show on my PC
any help...
Hi,
I do have Zephyr's logging configured using RTT for debugging messages and in general this works.
Sadly when reflashing (via SWD) the RTT stops working and I have...
Hello,
We are using nrf52832 and SDK15.3 in our product, which sends about 7.4K bytes data every second to an Android phone.
4 ble devices are connected to the phone and...
Hi experts,
I habe a following issue. First I have tried to use nrfx_twi driver. There was any data send over I2C... So I have written own driver using the Datasheet and...
We are trying to send a large message via a BLE characteristic and to do that we have broken up the message payload into smaller fragments and calling bt_gatt_notify() repeatedly...
hi：
I use ble_app_uart routine, test the receiving rate, use the mobile phone to send data, 52832 receive the fastest can only be 10KB.
In addition, when the interval...
Hi
Compile the cli sample into a hex file,Download it to the board, read the hex file through the nRF Connect for Desktop Programmer tool, and then convert it to the bin...
Description:
Facing an issue with k_sleep() function misbehaving after few months due to the internal counter ticks crossed uint32_max values. Simulated the same by hardcoding...
Hi,
we are currently using NCS 2.0.2 on nRF52840 .
Is it possible to disable uart1 via pinctrl or another library during runtime and re-configure the rx/tx as gpios? ...
Hi,
I have met some problems while building the environment of pc-ble-driver-py. Error occurs in this command. The error points that I do not install git, but I have installed...
