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...
Not really a question, but I found a potential issue with the Battery Service module in ble_bas_battery_level_update() . This is in both SDK v10 and SDK v12.
The problem...
Up to this, we've been prototyping with MDBT40 module in our prototypes. We want to move to a completely custom PCB using the nRF51822 SoC for a number of reasons (space and...
Hi,
I am using nRF51-DK with softdevice S130 and SDK 12.0. I am working on the BLE central role with ble_nus_c service. I am able to setup the multiple connection with...
Hello,
In the last month i bought the nr52-dk, my first two steps handling it were:
the getting started tutorial and some other tutorials to get the feeling of the...
I am doing some test with the Battery Service on SDK v10, and found out that if I have not enabled Notification on my phone, calling ble_bas_battery_level_update() returns...
Hello.
For routing purpose, I use GPIO pin for NFC for spi, driving a screen.
I start a screen integration with the with the spi peripheral example projet. Using the define...
I am using the nRF52 (SDK12.0.0) to create a very simple BLE application (maybe based on the BLE_APP_HRS example). The system will have a button, LED and interrupt pin from...
Hello,
we have successfully run Nordic chip together with iPhone and we are able to get notifications from iPhone to the embedded device using ANCS via Bluetooth LE.
...
I am using the nfr51 dk and a standalone nrf51822 based ble module for prototyping & testing purpose.I plan to make my own custom pcb for final production.In both the above...
I recently received a redbear nrf8001 board for use with my Arduino Uno. I had intentions of using it with ANCS. Before I realized that there was a ANCS example included with...
Guys,
I am designing a Bluetooth proximity tag using nrf52832 SoC. I have designed and tested the circuit and it works fine.
What is the best method to read the coin cell...
What happens if two masters scan the same channel and try to connect with the peripheral at the same time. And second question - what if one of that masters will be on the...
Hi,
I want to do the application DFU with nrf51822 in Python.
The application code I use is dfu_test_app_hrm_s130.zip in nRF51_SDK_10.0.0
As I know, the .bin file...
Hi,
I'm having trouble installing SDK12 on Keil 5.21a
When I run the installer it goes through the process but after the process the files in Keil (pack installer app...