I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
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...
Hello everyone,
I wanted to change the notification to indication for the BLE UART example when you send the message. I am currently using (and the UART BLE example is...
first sorry for my english, i work base on "ble_app_alert_notification->S110", i want to Enable Printf with uart,,,,but after i define maco ENABLE_DEBUG_LOG_SUPPORT,, 2 error...
hi all:
I want use nrf51822 to connect the some other sensor such as 90fity intelligent basketball, and discovery the service, and notify the character.
but the data...
www.microsoft.com/.../universal-foldable-keyboard
Why microsoft BT keyboard have 3 mode to support IOS, Android, Windows?
But we only have 1 sample for HID_keyboard.
Can...
HI:
I found a amazing problem:My flash project is ok,and my BLE project is ok too; But when i need to write data to flash,the BLE can't work any more.
code as follow:
all_init...
I'm using nRF51 SDK 6.0.0 and wanted to know when an "advertisement packet received" event is posted to the application. It looks like within a scan window only one such event...
Hi there,
I just ordered a nRF52 Preview DK and was wondering if this series will also be compatible with the nRF51 IoT SDK?
Anything I should be aware of beforehand...
I have an nRF51822-based device, which is a peripheral running the Soft Device s110. It has some vendor specific (custom) characteristics that are read/write. A mobile app...
Hey Nordic,
I am using the nrf51 to operate a sensor and send data wirelessly. I want to store the id of the sensor in the flash memory and I Understand that a good way to...
Hi, as I tried out the example code for PWM in SDK 9, it didn't worked for me. A closer look showed that in method app_pwm_init the method app_pwm_channel_duty_ticks_set will...
I have a peripheral (nRF51822, s110, SDK 8.1, using the device manager) which should only ever be bonded with zero or one centrals. The behaviour I'm aiming for is this: ...
Has anyone interfaced the nRF51822 to the CC3000 Wireless chip? I have started implementing the host controller functions in nRF51822. It would help me jump start if anyone...
I try to capture a BLE connection with the nRF Sniffer.
I can see the advertisement packages, but after i established a connection from an andriod device i didn't get any...
I want to drive motors at 40kHz and am wondering if I will be able to do this with the nRF51822. If not 40kHz, I might be able to go as low as 15kHz. What is the resolution...
Hi, I am using nrf51822 ble module. I want to have multiple such modules which could connect to a central device. How could I make it that the central device encourages only...