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...
Hi Nordic Tech support team,
I'm Hardware design engineer and working on wearable IoT design and would like to implement OTA programming for nRF52832 Bluetooth SoC.Kindly...
this is my code:
this is BLE_peripheral UART and i added these lines to main():
my soft device is S130 V2 alpha
// Initialize.
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE...
I'm working with the nRF8001, at present using the RedBear BLE Shield.
My current issue is that after starting to Advertise, but before a connection is made, I wish to...
Hi,
I want to write a firmware for one of our products with on nRF51822 QFAC included.
I downloaded the SDK v7.2.0 and I want to use the ble app hrs project as a starting...
Hi,
Currently working on nrf51422 with s130,I have currently been able to transmit 20 bytes of data at 100ms interval to mobile.But when I decrease the duration of tranmission...
Hello,
I am trying to use uart port on pca10040,
Connected tx,rx pin to FTDI USB Serial Device converter .
Disconnected the usb cable, device is now powered over...
I want to use the pwm to control buzzer, but when I use init function, the power will increase 880 uA, how to decrease the power.
void beep_on(void)//beep on
{
app_pwm_channel_duty_set...
Hello,
for my project I'm using: SDK11, s130, nrf51 (nrf51822-QFAC), central and peripheral roles, DFU.
I've managed to have both peripheral and central roles with DFU...
hi, i am using eclipse IDE to implement ble_hrs example. while i am calling ble_stack_init() from main function. in the ble_stack_init() function UNDER THE macro SOFTDEVICE_HANDLER...
Hi,
I'm writing a sample application that uses the s110 softdevice (7.1.0) on Adafruit blefriend. I can program the softdevice using Segger J-Link and upload the application...
Hello Everyone,
I want to know how can we program S110 to nRF51822 . We need to download its binary from nordic site after that what is the procedure. can i get any document...
Hi,
i am using the sru232 module (having nrf51422) in my project. I just want to program the softdevices-s310 using Keil-5 but i am not able to do so, while i am trying the...
I'm tring to run my first twi program using nrf52. but I got complilation error no number named Power in NRF_TWI_Type
it's strange because NRF_TWI1 called from twi_master_write...
I'm building a project on the nRF52382 with the S132 SoftDevice. The project includes a Central device (GATT Client) that reads values from a peripheral device. I used the...
Hello,
I'm using the nrf51822 chip with S110. The advertising rate is 3 seconds.
I'm testing with 4 different smartphones:
Samsung Galaxy Xcover 3, Android 5.0...