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 All,
I am new to the field and working on nRF51822. As mentioned in the question, which is the easiest way to Implement a simple LED blink (10Hz) for 5 seconds?. Is...
I have successfully tested the SPI master loopback example on pca10001 eval board. I have a few questions regarding a real-world scenario when there is a slave SPI present...
I'm trying to follow the instructions for "nRF51822 Beacon Firmware Documentation" for over the air firmware upgrade of the smart beacon, but I can't find the soft device...
Could this be my problem?
devzone.nordicsemi.com/.../s110-7-0-0-can-i-write-my-own-mbr
an application now starts at 0x15000 which is to make room for an extra 4Kbytes...
Hi,
I am new to BLE Development. Currently I am using NORDIC Development board (SDK Ver 5.2 &Soft device S110). I want to write a small program to establish the connection...
I'm trying to get a handle on the various ways I can implement console output on this system.
I have in the past used the retarget.c/.h code from this forum that uses simple_uart...
Hi
I use the random number generator of LE1,I have made a demo code and the code can generate a random number.As the project in attachment.
I want to get a random time...
Hi all
I get LE1 enter sleep mode(PWRDWN = 0x04;)and use RTC to wake up,but LE1 cann't enter interrupt function after RTC wake up.
If I just use RTC to run ,LE1 can...
Hi,
I am using a custom board with nRF51822 to transmit data. Everything works fine except the transmitting always stop after a while. I am using softdevice 5.2.1. I attach...
Hi,
i want to start timer 2 and read its value just before the radio gets active. I've seen in the nr51 series reference manual i can use task capture to set the current...
I am developing using a nrf51822.I need delay timer
that can be substitued for nrf_delay_ms().
in other words,need a task delay that can be taken some event from another...
Hi,
i'm reading through a document that is part of the ble-sdk-arduino
The document is titled "HID over GATT maps USB HID to the bluetooth Generic Attribute profile...
Hi,
I have 2 timers and APP_TIMER_MAX_TIMERS = 3. I am getting NRF_ERROR_NO_MEM error.
If I increase to 6 it works. Is it 3 APP_TIMER_MAX_TIMERS per timer?
Thanks...
Hello,
I am running a nRF51822 rev G0 with Soft Device 6.0.0 & SDK 5.2.0. My device implements a custom service with 4 characteristics. One of those characteristics is...
