I am looking for cheapest (up to few hundred USD) and simplest Arduino basic solution to track real-time RFID tags distance (also direction if possible) without additional...
Hi all,
I am new to Nordic semiconductor but I could be interessed by nRF9E5. To check if it could fit my requierement, I would like to know if it possible to configure...
Hi,
I am using ADC without external reference and no analog input in order to measure the battery level with a timer (code at the end).
I am also reading several ports...
Hi,
I'm programming the nRF51822 and save some user data into the FLASH by using pstorage_update . It works fine if I set system off mode, and wake it up. I can read back...
Hi,
I have been using nRF51822 with my Android app using Android's Bluetooth Low-Energy APIs.
In order to get more details, I am currently working on integrating the Android...
I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
When use the "nRFBeacons" app to update the info on my beacon the following happens:
Go to update tab.
Select "Connect"
Press "SW2" on beacon and see the LED begin flashing...
I would like to know how to create a prompt that asks for a PIN before a user gets access to pairing to a BLE peripheral. Currently I'm using a CurieBot and once it's found...
Hello.
Using nrf51_8.0.0_API, I'm experiencing the function sd_flash_write returning the value NRF_ERROR_INTERNAL. As documented in nrf_soc.h, this error code can never...
Hi,
I'm working on app based on ATT_MTU Throughput Example from SDK 13.1, but I added Thread support and now working with Thread SDK 0.10.0. I have a problem with advertising...
I have a hard time understanding precisely what an Element is and how it differentiates from a Model when talking Bluetooth Mesh.
The only definition can seem to find of...
Is there any way to detect / prevent the use of range extenders?
When using a central & server with low TX power, the range is say 10m.
Now an attacker can use a relay...
Hi all,
I have been using Nordic chip-sets for a while mainly for BLE applications. I am now developing a simple lighting product based on Nordic nrf51 family chip-set where...
hello!
i am working with the component nrf52840 v0.5.1 and i need development a thermal profile according with the datasheet of the component nrf52840 v0.5.1
could you...
I'm using op-amp(LM358), condenser microphone and PCA 10028.
My project collect output values of op-amp and broadcast that.
But, noise was occurred while it is advertising...
I'm using the ble_app_multilink_central example app.
In the pca10400.h I changed #define BUTTON_PULL to NRF_GPIO_PIN_PULLDOWN.
The problem is that the first pin interrupt...
Hi
I'm creating an android app for smartwatch(used nrf51 ble),I have two questions
1.I used ANCS(Apple notification center service) in my android app,but nrf51 device...
I'm using the SD (nrf52) MBR to update our custom bootloader, in a battery powered device.We have some custom hardware which is used to disable our LDO, to enter a "Ultra...
Hi Everyone,
Recently I have been trying to measure the current consumption from the dev board.
I have set up the board as instructed by cutting SB9 and soldering SB11...
Hi,
I see intermittent incorrect values from the saadc. The code is described here .
The graf shows battery voltage in mV over about 4 days with one sample per minute...
I am getting following errors when compiling source code in Keil-5. Any one suggest me what i am missing to define symbol?
linking...
._build\nrf51422_xxac.axf: Error...
