I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hi,
I'm using Uart exemple to post data over BLE.
Everything works fine as long as I'm connecting with my phone with BLE apps.
I would like to connect using a linux...
Hi all,
I'm working with TWI Sensor example. I've followed this https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Ftwi_sensor_example...
Hello,
I want to use ble_app_uart example. I'm usign nRF52832 with nRF5_SDK v15. I need to put the MCU in sleep mode. I can do that. When the MCU awakes from sleep,...
Hi,
NRF52 DK has an RF switch which can be used for looking into the Nordic and observe the impedance using a VNA. I observed the same impedance in RX, TX and power off...
Hello,
i am finding that after i call app_timer_cnt_get() there is a constant power drain.
I have an Ultrasonic sensor. the ECHO pin will fire 2 times into a GPIOTE...
hi.........
how to add the timer mode in hts program , i want to set the timer in my program to receive the data according to timing .
i am using segger 15.2 version ...
When I power the 52840 from a LiPo connected to VDDH and using VDD/VEXT to power 3V3 components, when the chip is put to sleep is the output on VEXT switched off? Or do I...
Hello, above is the PWM modulation waveform (positive Xuan Bo).
How does 1.nrf52832 regulate the frequency of circulation?
Take this nRF5_SDK_12.2.0_f012efa\examples\peripheral...
Hello, I want to use nrf52832 to output waveforms as shown above.
Using the Demo1 example in D: Lianxi nordic nRF5_SDK_12.2.0_f012efa examples peripheral pwm_driver, we...
I am sending 6 packets of 20B each data using ble_nus_string_send() function at every 120ms using app timer. but the function returns error BLE_ERROR_NO_TX_PACKETS. So unable...
