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 am using s110 and nrf51822. I've set up up a long characteristic of 154 bytes.
Sending between 1 and 154 bytes works as expected.
Sending 155 - 160 bytes gets rejected...
Hi,
I tested the nrf beacon application, it allows only the beacons with company identifier 0x0059 (nordic's id). But i need to modify it to support all the device, how...
I'm confused about the issue with using GPOPTE inputs in low power applications.
errata 97 indicates that GPIOTE should not be used in input mode
It was also discussed...
Hi,
When I build the SDK (14.0.0) with SOFTDEVICE_PRESENT and in sdk_config.h #define NRF_SDH_ENABLED 0 I get the following link error (using IAR:)
Error[Li005]: no...
I used NRF52832 TWI master to drive BMA223 sensor,
a. gs.c/gs.h are the driver codes
b. the i2c wave is looks right, but there still not generates a NRF_DRV_TWI_EVT_DONE...
What are the guaranteed state of the IO lines (configured ax I2c) when in system off mode? Specifically I want another device to be on the bus acting as a master while nRF52832...
For RED certification of our product, using the nRF51822, we need to provide documentation about "Block diagram showing antenna, radio receiver and transmitter parts as well...
Hi,
May I ask a simple question about an example how does it generate its own advertising address, such as the "ble_app_hrs" example? I mean where I can find device address...
Hi,nordic：
At this topic: devzone.nordicsemi.com/.../
I know that notify is 100% safe in LL.Before that,i know in bluetooth core4.2 LL has SN and NESN field to guarantee...
Hi, guys.
I noticed that in *nRF5_SDK_14.2.0_17b948a\external* micro-ecc **, something changes.
That nrf52_armgcc / nrf52_iar / nrf52_keil now is nrf52hf_armgcc / nrf52hf_iar...
I download the android source code, Android-nRF-Toolbox-master, from " github.com/.../Android-nRF-Toolbox" .
Compile with AndroidStudio v3.0, it said that "Unable to resolve...
Hi, I have a DFU unsecured zip file(for application), and I lost the original application .hex file.
Is there any way I can transform .zip back to .hex?
Sincerely,
...
Hi there,
I'm developing some proprietary RF application recently with nRF52. In this application, the radio frequency (tx and rx) is changed very often(every 3ms) by calling...
Hi,
When creating and adding characteristic to service, what is the meaning and difference between these two variables:
attr_char_value.init_len
attr_char_value.max_len...
I am able to send data upto 20 bytes by connecting to an external BLE device. How do I send data greater than 20 bytes. I have read that we have to either fragment the data...
