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...
I have trouble compiling successfully even the simplest of example codes for the nRF51822 with the Keil MDK-ARM toolchain (v5).
For example, for the "blinky" project, I...
I have ported the example ble_app_beacon from sdk 7.2.0 for use with nrf51422_xxaa and softdevice s310 (v.2.00).
In the function ble_stack_init() there is a call to the...
Hello everyone,
I have two doubts related to pca10001 board:
What is the maximum amount of current
that can be pulled from a single GPIO
pin?
Does the...
Hello,
I just received new rev.3 nrf51822 chips, so I am migrating with my project to newest SDK version.
I installed Keil5 with that smart run-time environment manager...
I would like to send the current status of the battery as a beacon.
ADC and a few resistors and what do I need?
I am currently using nrf51822.
I know nrf51822 to...
I'm trying to port my old project to the newer soft device and SDK (v8.0.0) and just ran into an issue where the app_timer_event_t seems to no longer be defined. My previous...
Hello,
I would like to do an communication between Arduino and Android platform.
In my case, Android will be master.
But I want also test between 2 Arduino with an Bluetooth...
Is there a UART version of the DFU example that is provided with the new SoftDevice 7.0?
If not how to go about modifying the BLE DFU example to be able to handle UART...
Hi, I made a beacon board only have button and leds. The version of chip is nRF51822-QFAA G0. I used the precompiled hex file in the nRF518222 Beacon v1.1.0. After I download...
Hi,
I am trying to debug a custom PCB for the NRF51822 - I can run a modified version of the HRS application (S110) that has been verified on the PCA10004. The LF clock...
hello, my name is alessio and i'm italian. I have got a problem with "RFduino" and the "pulse sensor amped" ( heart rate) .
I downloaded the library of the sensor in the...
Hi,
I have a few questions about the SPI master module. I'm using it for an application that basically needs to be gapless. After quite a bit of work, I've gotten it to work...
Hi, I am evaluating the nRF51822 for an ultra low power energy harvesting application.
I measured the time from power-on (VDD applied) to code exectution (GPIO toggle)...
Is it possible to launch ipv6_coap_client on nRF51822-EK?
I have modified preproccessor simbols adding BOARD_PCA10001 instead of BOARD_PCA10028.
Also I modified part concerning...
Hi
Can anybody answer me if i do not call SOFTDEVICE_HANDLER_INIT instead i call sd_softdevice_enable ,sd_ble_enable(&enable_params),sd_nvic_EnableIRQ(SD_EVT_IRQn) directly...
