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...
Dear Sir.
A timer is defined for 1 hz,
Every 3 minutes or so we drive the buzzer with different pulses ( see code attached )
We are using the PWM to drive a buzzer...
error repported segger
39 minutes ago
Online lm
47 pts.
Hello, i'm trying to flash a code in my module nrf52805 thx to my Dk nrf52840. i have this error I...
Hi team,
I'm streaming the sensor data through USB (using hterm) every 2.5ms.
i have configures USB as CDC and using virtual COM port.
In each iteration, i transfer...
i have nrf52832 using nrf sdk version_17 and s132.
I have application for logging
i have followed steps:
1). intially device in sleep mode
current: 0.35 micro Amp...
Hi,
I am working at a project that was abandoned by a guy that worked on my position. I have to fix some issues and add some features. I'm using SDK 17.0.2, my IDE is VSCodium...
Dear all,
I am now using two nrf52840DK and nrf connect sdk v1.7.1,and I want to send packet using llpm mode between two devices,one is receiver and the other is sender...
I need a battery-powered programmable device to communicate via Bluetooth to a headset, and communicate with another device via serial (TXD/RXD) interface. Performance requirements...
Hello,
I am writing a single byte value to a cypress module using write with response (BLE_GATT_OP_WRITE_REQ). For some reason the peripheral will receive the value but...
Hi!
I am trying to develop a way for a Bluetooth Central and Bluetooth Peripheral using Secure Connections (security mode 1 level 2 if I'm not mistaken) using a static...
Dear nRF,
I have couple of nRF21540-dk boards (PCA10112) in my hand. I would like to use nRF Connect Direct Test Mode to activate TX and RX.
I found that the tool lacks...
Hi,
We are design custom Board using nRF52840 SOC.
We are operating it in Normal mode, using internal DCDC converter
We have used configuration 5 from reference design...
I am taking over a firmware Bluetooth project and am reading the code that is having some issues. Below is a snippet from a BLE characteristic read callback. Here a double...
I set a timer on the net core of nrf5340. The timer sets an interrupt of 10s. After the chip is reset and runs for 10s, the while (1) of the main function is interrupted,...
