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 SDK 15.0.0; nrf52840 DK; IAR(EWARM).
I want to add TWI(i2c) from example in SDK to my project.
But I facing with next errors:
Error[Li005]: no definition...
Hi dear engineers,
I have a strange TWI problem on my production protype which programmed based on the official twi example with softdevice s130_nrf51_2.0.1 and SDK 12.3...
Hi,
I'm trying to schedule few events within the shortest connection interval . Is it possible to shcedule 3 events, 2.5 ms long within 7.5 ms connection interval? Could...
Dear all,
I am using the nRF51822 custom developed board. Earlier it was working fine, but now when I try to connect the BLE with nRF ToolBox APP UART service, the APP...
Hi,
Have flashed an early sd_power_system_off first line in main() when measuring power-consumption...
Now the SWD access seems gone. Is there a trick to get it back in...
Hi, I'm working on a custom board with a nRF52840.
I want to use REG0 and REG1 as mentionned in Figure 13 of the datasheet : with VDDH, and both DCDC. My PCB is powered...
Hi there
I have a NRF52 Dk already and it had been setted as master.
The log might contain the specific advertisement channel power or how much packets has been sent...
Hello,
I want to send 6 bytes of data over BLE. I will set a timer for this purpose. When there is timer interrupt, the data will be send.
What I wanted to ask is that...
Greetings,
Trying to fast-track my set-up and use of the Nordic Semi devices and toolchain. My questions/comments are as follows:
1 - What is the best *free* option for...
Hi,
I am using ble_app_uart service in my application. I am trying to send files using teraterm tool. If I am sending .txt or .doc files there is no disconnection in the...
Hi,
I am using nrf52832, and measure the power consumption , I found that when I use application timer "after" nrf_sdh_disable_request(), the power consumption of system...
Hello,
i am working on a nRF52840-Preview-DK with SDK 15.
When sending data out on UARTE1 with function nrfx_uarte_tx(..) everything works as expected but only with data...
