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'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 want a Mesh solution with gateway which is able to connect Amazon Web services(AWS) via MQTT.
6LoWPAN mesh network based on IEEE 802.15.4.
Mesh devices can be...
I'm looking into a project that needs to have BLE to communicate with a user and a mesh network to communicate with multiple data gathering nodes connected by 2.4GHz RF links...
Hi,
I am using nrf52832 for my application. The application share same SPI module for two sensors(with sensors are selected using two chip select pins). Is it possible...
Hello ,
following are my requirements :
to create a secure bootloader which checks app validity at every boot .
the boot loader should also accept UART communication...
I have an Eddystone beacon from minewtech...i've downloaded the nRF connect app onto my android tablet and i can connect to the beacon. the problem is that it's not "taking...
On the nRF51822 Is it possible to check the battery level using the on-board AD, software connected internally, avoiding external resistor divider.
If not what is the best...
Hello,
I've been trying to migrate a project from the nrf51822 that uses s110 7.1.0 softdevice to the nrf52832 s132 1.0.0.3 alpha softdevice. I had to change some given...
How can I found out my NRF51's device Address? (with Softdevice using Random static address?)
Does Softdevice has any API for fetching my device's BLE Address?
As I...
I'm looking at the sequence diagrams for the secure bootloader, and I'm confused about the response procedure opcode for Packet Receipt Notifications (PRN). From the diagram...
Hi
for a new project I need to combine bluetooth with 2G/4G cellular communication, and augmented positioning, meaning we want to use cell tower, GPS and scanning of Wifi...
hai
i want to store a struct contains two elements . can i store it in flash using pstorage....?
if so how can i do that.........?
or
can i store a two dimensional...
I want at s132 use RT-Thread RTOS,but I see arm_startup_nrf52.s file defined Stack_Size and Heap_Size 8K, can define Heap_Size = 0? reduce the Stack_Size (such as 4K)?
so...
