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...
Hi guys,
I'm investigating on a problem we found in our system. It seems not related to our custom pcb or firmware, you can replicate it with the following setup.
Setup...
I will need to store some data (and edit it again later) and fetch it later in the nrf51dk even after turning it off and back on.
How can I store such persistent data in...
Some situations like heavy ble activity causes the nrf52832 to restart without hitting breakpoints in the NVIC_SystemReset.
Assuming there aren't any hardware issues, is...
Can I use J-Link EDU for nRF52840-PDK , nRF Connect , please?
Is it sufficient?
What the J-Link PRO provides for nRF52840-PDK, nRF Connect that the J-Link EDU does not?
Question preamble
I am writing a bluetooth application where two nRF5 devices will be in a master / slave configuration. However, I want to be able to flick a physical...
Hi.
I have an application that needs a low security encryption. Therefore I want to use "Just works" encryption. The pairing process is assumed to be in a "safe" place...
I am having a strange problem. After I flash the program to the NRF52 and do a reset (does not matter whether it is a soft reset or pin reset) the system (DK and my own board...
Hi,
i read this post:
devzone.nordicsemi.com/.../
and found the PCA20006 project but i cannot load it to the beacon. I can find proper instructions on how to load...
I had initially added ble_dfu buttonless DFU support (unbonded) to my app per instructions here: infocenter.nordicsemi.com/.../service_dfu.html
Long story short, based...
What unique information can I use to know which physical device disconnected for example? Say I have a MAC address or a name encoded into the advertising packet. Correct me...
Here the connect method is called
err_code =
sd_ble_gap_connect(
peer_addr,
&m_scan_params,
&m_connection_param,
APP_BLE_CONN_CFG_TAG);
In the ble event...
I'm tring to connect my phone to the multi-connect example client app
I'm tracing the ble events in the ble_evt_handler.
When I open the server app on my phone, I see...
Hi Engineers!
faced with a problem of SAADC impedance too small (4,7K)!
We use SINGLE ENDING 8bit mode with following settings:
NRF_SAADC_REFERENCE_VDD4
NRF_SAADC_GAIN1_4...
We are moving from a PCB using a nRF51822 QFAB module to a newer PCB using an nRF51822 QFAC module.
We observed that with the new QFAC PCB we have a significant connection...
