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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi,
I implemented my application top of the mess 3.0, mesh is working fine able to hop the messages to the gateway via relays(nodes)
Issue with UART : -
here nrf52840...
SDK version: nRF5_SDK_15.3.0
Platform: nRF52840 DK
---
Add FreeRTOS into serial example( nRF5_SDK_15.3.0_59ac345\examples\peripheral\serial )
and I copy task of blinky_freertos...
Hi,
I want to read 4 - ADC input channels (12-bit or 14-bit) from Bluefruit nRF52832 feather using sketch code. Can you point a sample code to do this?
I could read default...
Hi,
I am currently trying to set up the HTTP Application Update Sample and unfortunately it keeps stopping at the "downloading" state. Code is exactly the same from the...
Hi,
I´m using nrf52840 with softdevice S132 and set ble_gattc_conn_cfg_t::write_cmd_tx_queue_size to larger than 1. I´m count number of queued writes by increasing a counter...
I am currently developing with nrf52832 sdk14.2. I found in the test that after opening the hid service, the connection parameters will become the following parameters after...
I encountered a scenario where I call sd_ble_gap_connect() and get an event BLE_GAP_EVT_TIMEOUT with source BLE_GAP_TIMEOUT_SRC_CONN . This is followed immediately by an event...
Hi, i have written code in android, where i am using threads to connect to 832 ble over insecure RFComm socket..
Am not pairing with 832 in my app and am directly trying...
Hi I am implementing a buttonless_DFU function right now. I decided to do Buttonless on my project's PCB Board because it is no longer an environment where I can add switches...
My setup is as follows:
nRF5 SDK 13.1 with s132 5.1.0
nRF52832_AA
Keil 5.25pre
I use RTC1 counter for timestamping along with app_timer timers. My get_timestamp() function...
I am trying to send lots of data through radio (basing on old micro esb project from github, but heavily modified).
I need to keep radio IDLE (not DISABLED) when not transmitting...
Hi,
I am developing smartphone controlled BLE door lock based on nRF52840.
The door lock is a peripheral (also GATT server) and the smartphone is central (GATT client...
Using the nRF52840 with SDK15.3.0 and S140, I am seeing strange interactions between PWM and BLE.
The PWM is configured to create a continuous 175kHz output just under...
I am currently developing with nrf52832 sdk14.2. When nrf52832 is bound to a different iphone connection, if the stored binding record of nrf52832 is already full, will the...
Hello,
We require a bluetooth low energy IC with MCU. Right now we are testing with nrf51422 development board. Could you please suggest any updated ICs with (BLE+MCU) ...