My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
In the GTT_2_Introduction nRF52 document there is a picture with text
-42 dB Selectivity (2'nd CI). As far as i concerned it's about Carrier-to-interference ratio. But what...
Hi.
I am using DK PCA10028 V1.1.0 for my devlopment. The SD is ver 8.0.0, the SDK is the latest and keil v5. The IC is nRF51422QFAC. I am trying to flash the examples from...
Hello, Is it possible to configure nRF's USART to work with Smartcards (ISO 7816)?
The ISO7816 specification defines the bit rate with the following formula:
B=(Di/Fi...
I use the " nrf51-ble-dfu-symmetric-signing " example from GitHub.
The application download over dfu works fine on the PCA10028 board.
But how can I install this bootloader...
dm_distributed_keys_get returns address of local variable 'peer_enc_key';
sdk version: nRF51_SDK_9.0.0_2e23562
in function ret_code_t dm_distributed_keys_get(dm_handle_t...
hello guys,
I'm working in a project & I added some sort of security to the project, I enabled the bonding & MTIM flags through:
#define SEC_PARAM_TIMEOUT 50 /**< Timeout...
Hello,
The 32kHz external oscillator is it required by S110 softdevice v8.0.0?
I haven't see this information in soft device specificaion v2.0.
Thank you.
Hi everyone,
I am using the Arch BLE running firmware version 221 (most current one).
Whenever I create more than 3 PwmOut objects (from the mbed library), the MCU just...
Hi,
I am trying to use the PORT event to trigger interrupts when a button is toggled, i.e. both on LoToHi and HiToLo.
To my understanding PORT events are generated by...
I think I have followed everything from:
devzone.nordicsemi.com/.../
devzone.nordicsemi.com/.../
to convert the dual_bank_serial_s110 to an S210 serial bootloader...
Hello
I’m trying out the new nRF52832 (QFAA-AA0) with preview kit pca10036. I have S132 softdevice installed and running the beacon example from SDK 0.9.0 which appears...
Hi,
I am using the sample BLE_gls code provided by Nordic.
I have made the following changes in the code:
#define SEC_PARAM_MITM 0
#define SEC_PARAM_IO_CAPABILITIES...
Now I want to store some data above bootloader( the address after bootloader), but every time when I call the function pstorage_init(), the function will defaultly set my...
How to add single 128-bit characteristic uuid. It's not based on service uuid.I have tryed the link text ，It's work,but it's something wrong .
I am working on ios ble midi...
