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...
Recently I have put some code of my application into RAM. When I do not enable read back protection mechanism everything works, however when I want to enable protecting my...
Hi all,
I have updated a custom automotive PCB and am now using the nRF51824 instead of the nRF52832 I had been using previously.
Unfortunately, I have been unable to...
I am very excited about the Bluetooth 5 LR PHY, but do you plan to release an update to the nRF5 SDK to support the newest soft device S140 v5.0.0-3.alpha?
Hello
I am new to work on nrf52,
Please can someone help me regarding how to use hardware and software pwm together. I have a need of using 13 leds , so i need 13 pwm...
Please can anyone help me on how to use(program) PWM hardware with individual loading mode? My goal is to control 12 LEDs individually with different duty cycles and playbacks...
I want measure the current of a device over a resistor. It is connected to 5V which is over VDD(3V) of nRF52 Chip.
5V--->10ohm--->Device
the differential voltage of this...
Hi,
I am using SDK v8.0.0 , Softdevice s110 and Example is ble_app_uart(peripheral).
i want to reduce a range of nRF51822 beacon(PCA20006) up to 2-3meter..
i try this...
Hi all,
Basically I am doing an exercise on the BLE system use case. Let's say I want to setup a BLE system where there are the long range BLE capabilities in Relays and...
What is a minimal length of preamble, such that nRF51 is able to safely receive a packet with? Can it be made (via some magic registers) to be as small as 4 bits? Then it...
Hello!
I'm pretty new to BLE and Nordic, and hope that someone can give me some good advice.
I'm working on a project were I have 2-4 sensors, each connected to a nRF52832...
Morning,
I ve try to flash the hex pca10040 from the examples/ble_peripheral/ble_app_hrs without success, with the flash seems ok, i can t see the device.
So as i ve...
I found this comment in fds.h as function header for fds_record_write()
* Record data can consist of multiple chunks. The data must be aligned to a 4 byte boundary, and...
Hi guys,
i was testing the connection speed from android in conjunction with advertisement time to see what will work better in my production code.
The result were:
...
Hi, Forum.
I want to make uart_bootloader without softdevice. for this, I want to prepare keil project.
I tryed this but I have some problems.
Basically,
My bootlader...
