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!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi there,
I'm new to the nRF52 and to ANT, so I'm in the process of running through some of the example code. I've been able to successfully run peripheral and BLE examples...
Hello,
i'm looking for the NRF52832 QFN48 6x6 symbol and footprint in Orcad/Allegro format to accelerate my design,
unfortunately, my electronic designer don't use Altium...
I've been experiencing this bug for a while now. What happens is that a app_timer's overflow handler can't put any more messages into the queue because the queue is full,...
I need to connect to the VSS of the nRF52832-CIAA Ground
A mistake by one of the VSS was not connected nowhere.
The VSS was one N.C..
Do you have any problem with...
im sure the reference design is copywritten if i added two components and removed the GPIO breakouts and switches and led is that in any way not ok? i know nothing on RF signals...
Hi. I am trying to add DFU service to sourse code with existing service. When I try to run service without device manager + DFU or run device manager + DFU without my service...
Hello!
I am trying to build a connectable Eddystone beacon with a Blend Micro board which uses nRF8001 . I used the BLEPeripheral library ( github.com/.../arduino-BLEPeripheral...
Should I call app_sched_execute at least once before the first app_timer_start ? I have a strange bug and I realized that calling it before is a fix but I don't see this in...
Maybe this is a newbie question but, I read that using TEMP is a restricted resource for the SD but I could not find any driver or example to use it correctly.
Can someone...
I am trying to determine the suitable set-up to determine when my system's battery source (lipo battery) is too depleted.
I am running my nrf52 at 3 volts and the Lipo Battery...
Hi. I try to fusion 's130_nrf51_1.0.0_softdevice' and 'flash write'. I checked flash write. but when i implement flash write with s130 softdevice, it is not working. If i...
I have the nRF52 dev kit, and I hooked up pin 13 to SDA and pin 18 to SCL on an I2C device. There are no external pullups on the SDA or SCL lines.
However, the TWIM module...
I tested some features of the new nRF Connect application version 1.0 on PC. The application has a lot of interesting features useful to develop and debug embedded software...
