Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
Hi,
how long does it take time if i would wake up a nrf51422 rev2 (ANT and BLE) in deepest possible sleep mode ?
And how long does it tai if after wakeup it had to communicate...
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...
Hello everybody,
I am currently experimenting with BLE on the nRF51-Ek. At measurement on the oscilloscope, the BLE protocol shows a behavior that I do not quite understand...
Hello.
I get error 0x10 (error for invalid flags) when i want to write to peripheral with my master module. I use the same code i always used, and i didnt change anything...
Hello.
I written code for nRF51822 w/ MPU6050 in S110(8.0.0) and Keil.
I tried to setup gyro as bellow.
twi_master_init(); => mpu6050_init(MOTION_SENSOR_ADDRESS);...
Hello
I have connected the nrF51-DK board and it was recognized by the computer.
I have managed to put in in a boot loader mode.
Since I switched it to boot loader...
I have three pca10001 boards. One is programmed as multilink central and other is programmed as multilink peripheral. when both peripherals are connected to central, the central...
I'm a newbie for Nordic development.
I just noticed that softdevice, app, and bootloader share the same CPU, RAM and Flash at the same time. This three software modules...
I'm trying to use the nrf8001 (and arduino) to send MIDI (musical note data) to Mac OSX. According to the Apple developer site the midi profile requires that the characteristic...
Hi
I use an avr attiny441 with the nRF24AP2. Communication is over SPI byte flow. After start up, I get the start-up-message from nRF24AP2. That's fine. Afterwards, when...
Hi
the PWM frequency should reach 8MHz( duty cycle is 0.5 )when use timer0(16M) without SD.but i revised timer demo code from peripheral and only get 50KHz.i don't know...
Hi everyone,
I've found a few posts and a lot of info but I'd like to know if there is an existing example that merges a few of the examples found here ( github.com/.....
Hello.
I want to retain the value of a certain variable after issuing a system reset (sd_nvic_SystemReset).
Can this be done without storing it in the flash memory?
...
Hello.
I use SDK 8.0.0 and PCA10028 board. I try connect board to the Windows 8.1 PC ( i have Tablet PC and Desktop PC with BLE dongle). For connect board to Windows i...
I think I understand what these two flags do, the SYS one returns the system attributes, which I assume means data representing the CCCD for the service changed characteristic...
Hello,
Is there any compatible arduino lcd with existing library for the nRF51 Chipset?
So I can just plug it on the nRF51-DK, include the library and "lcd_wirte("text...
