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...
I have gone through most of the guides/links that I saw here to no end.
My development environment is OS X 10.9, gcc-arm 4.9, nRF51822 beacon.
Before going for the IDE...
Hi,
I am trying to build a low power device using the nRF51422 SoC without a Soft Device. I need a timer to occasionally wake up the chip and as I read the product specification...
I have a basic question regarding a basic area. Interrupts! But without any good specification and how the OS work and good example how to do this I need to push for the obvious...
In ble_dfu.c (unmodified SDK 8.0.0) I am unable to get the buttonless DFU hooked up.
For reference, ble_app_hrs with s110_with_dfu works correctly. I have traced my issue...
Hello,
I am trying to write data to flash with the pstorage api. I managed successful to write data to flash with the pstorage_test_store_and_update() function from the...
I am searching a cheap wifi solution and this NRF24L01 communicates through 2.4GHz network, therefore it may be compatible with 802.11 protocol and further with TCP/IP protocol...
Hello!
We're using PPI to connect one pin to clear and capture events on Timer2. On pin low-to-high we're clearing the timer and on pin high-to-low, we're capturing the...
Hi,
I am planning to use nRF51822 for one of our projects.
Can you please hlep me with the SDK that will support IAR Embedded Workbench.
Thanks & Regards,
Sumit
Hi,
For SDK 8.0.0 and Softdevice S120.
(1) Maximum number of services supported for db discovery ?
(2) Maximum number of characteristics per service for db discovery...
When i try to add pstorage in Keil 5 packs manager without a softdevice ble_flash is required as additional software component. Adding ble_flash requires a softdevice as additional...
We have a custom board on which we have NRF51822 SOC. We also have a small external flash memory(From Spansion) on our board. I'm trying to figure out the ways to use this...
power_manage function is required always? Or its required if i want to go in the low power Mode?
Can i comment out power_manage during development stage?
