Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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 am trying to merge the code of ble_app_buttonless_dfu with the code of ble_app_uart,
because I starts all implementation with the code of ble_app_uart at first...
Hello,
I am using SDK9.0 and testing the LED_Blinky project with IAR tool, Evaluation kit. The application is executing and leds are blinking but I am not able to set a...
Hi, and thanks ahead for the help. I am working on receiving ble packets without using the soft device. I am able to transmit an advertisement with raw radio and pick it up...
Hi,
I am trying to write and update a record in flash but not receiving event callbacks FDS_EVT_WRITE and FDS_EVT_UPDATE. I found that i need to add the following code...
Hi there
Is there any PCA10040 simple demo IAR project? Just like print out "hello world" from any debugging uart? Base on this I can add in more functions gradually. ...
I am using clock signal from external RTC chip to clock NRF52832 at 32768 Hz through XL1 leaving XL2 floating. I have verified the waveform by the oscilloscope and set SRC...
2.4g ble work in 2 mode(not same time) when reset.
when I init 2.4g clock
void esb_clocks_start( void )
{
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART...
Hello everyone!
I have peripheral device with notify characteristic with 20 bytes length of value and connection time interval - 7.5 ms. So, I want to increase throughput...
Hi,
from the nRF52840's datasheet: Up to 4x SPI masters/3x SPI slaves with EasyDMA .
Is it possible to connect the nRF52840 as a slave with another microcontroller and simultaneously...
Hello,
do I need to do anything to accept new Connection Parameters as a Peripheral when the Central updates them?
I am seeing 'BLE_GAP_EVT_CONN_PARAM_UPDATE' events,...
Hi, guys.
I am meeting a terrible problem when using the SDK14.2 -> BLE\nRF5_SDK_14.2.0_17b948a1\examples\ble_central_and_peripheral
experimental\ble_app_hrs_rscs_relay...
HI,
I am using nrf52 with other mcu and sending scanned beacon to that mcu.
I have set baud rate to 921600 and transmitting data when mcu request.
when mcu request...
Hi,
We am using sdk 12.2.2 and nrf52. We are observing some strange behavior of chip. We have our own customized board.
The issue is mac address shown is different in...
Hi there,
I'm using a PCA10040 board, and the app that I am working on was originally built in SDK 11.0. I'm trying to send a stream of arbitrary bytes over USB using the...
