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...
Hello All,
I'm developing a BLE sensor based on the nRF52832 which needs to do the following:
Use an (i)Beacon for the user to find the sensor with an App on a mobile...
nRF52832 has errata about gpiote as below.
3.29 [97] GPIOTE: High current consumption in System ON Idle mode
So I want to use PORT event for gpio interrupt, but PORT...
Hi all,
I programed hex file (blinky example) to nRF51DK via nRFgo Studio, and the board could work fine (keep blinky).
However, the nRF51DK will work FAIL (LEDs are not...
Hi,
I need to monitor voltage very frequently, have access to the latest value and also to have interrupt on low limit.
But I do not want to have interrupt on EVT_DONE,...
Does anybody knows exact number of the "4 SIG fixed group addresses"?
Is it 0x00? or other?
In the SIG document, there is below chapter.
Group Addresses
A Group...
Hello Sir,
I have developed a product on nRF52832 DK kit and using S132 soft device. I want to flash this same hex file into SparkFun nRF52832 using nRF52832 DK. But i...
I'd like to use nrfjprog to read contents of QSPI external memory. (I'm using an nRF52840-QIAA on a custom PCB, based on the PDK.)
Using application firmware I am able...
Hello
i am using nrf52840 dk with sdk 13.0r3 software.
on first board, using example ble_app_hrs_rscs_relay example.
on second board, using example ble_app_hrs_peripheral...
Hi,
On my single I2C Bus, I have interfaced 4 I2C slave devices.. Now my voltage level of this bus behaves randomly. sometimes It shows 3.3V, but most of the times It stays...
Hi all,
We are currently under FCC certification testing for our custom BLE module based on nRF51822 but failed with the average power exceeding the limit. Nordic Semiconductor...
I'm following the tutorial Development with GCC and Eclipse, but have problem when use GCC to compile project that use PWM library.
I found that when compile the code with...
Hello,
I am getting data from UART and extract NRF BLE packet.
I check the CRC Flag and its OK. But sometimes the UART has some error and I have to check the 3 CRC bytes...
Hi all
I have issues with E-INK display for signals I need 100ns and 500ns delays
but in nrf delay is only nrf_delay_us()
What is easiest way to get nano delays with...
