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...
So currently I am using a 5 second repeated timer to run all my operations but there is a draw back to this that the max accuracy I can achieve is of 5 sec, like if I want...
Hello!
I have 18-bit sensors with SPI and I2C , which I intend to use in a wireless array.
I need to choose equipment and topology (star, scanning mode?), enabling data...
We had a custom board made with the nrf9160 and I noticed I was having trouble communicating with the sim card on my board.
We have been testing i2c, spi, number of peripherals...
I am trying to run the hci_uart sample on my 9160 DK but I am facing problems uploading the code. I am able to run the AT client and Asset tracker just fine. As soon as I...
I've been attempting to optimize my scan and connection intervals in order to maintain the highest percentage of time scanning while maintaining connections, following the...
Hi,
I am developing a Linux PC application (central) connecting with nrf52840 dongle with s140 v7 flashed on it (for long range support). I am using pc-ble-driver v4.1.1...
Hi everybody,
I'm having a problem with the advertising function of the SoftDevice.
When the application starts advertising the function "sd_ble_gap_adv_start()" returns...
I have 3 devices that can communicate via UART: 1) nRF52840-DK (PCA10056) 2) FTDI (set to 5v logic) 3) BLE HM-19
I'm using the example in ./nRF5_SDK_16/nRF5SDK160098a08e2...
Hi,
In gps sample, the prj.conf file is:
And I can use Putty or Serial.app (on my Mac) to view the output
In our application the prj.conf file is the following:
...
nrfjprog is reporting "Cannot connect to J-Link." while trying to erase on MacOS Catalina
Board used to work properly, but attempting to re-connect after a wipe of my MacBook...
I am using the nRF52840 dongle (pca1009).
I have read from some digital inputs successfully, but am not able to read from P0.02.
I set it up as an input with the following...
I am new to BLE and this question may seems little unusual.
My goal is to connect two nrf52 together over BLE and when i press a button in central device , a write event...
Hi!
My goal is to sample an ADC channel with 10 kHz sampling rate and acquire 2000 samples in one samples acquistion and then return to lowest possible power state. This...
Hi,
I received a Thingy91 from a colleague who orderd it shortly after hitting the virtual stores but didn't do a lot with it. I got it on my table and started to work on...
Hello,
SDK 15.3.0
s140
nrf52840-DK
IDE: SES
I am attempting to use the LPComp + NRFX TIMER 4 to count the rising edge of a signal, the timer is being used to time...