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 am trying to run smart remote 3 on PCA10040/nRF52832.
I use gcc makefile to generate PCA63519-SR3_nRF52832_Shield firmware. SD firmware is downloaded by jflash and I use...
Hi,
I want to update firmware on nrf52832, but I have an error: DFU insufficient resources
I found this and this , so I try to program my softdevice with this file: /nRF5_SDK_15...
Hi,
there is a issue very strange, on a nrf52832 project, it use two gpio set to sense low level, one is p18, one is p29, I found there is no response for low level of p29...
We are using nRF52832 with SDK_15.3.0 running the Nordic UART service (NUS) example.
Out of the box we find that the uart event handler is continually being called with...
Hi,
I have an SPI peripheral on pins 26, 27, 28, 29 which I'm able to override the default system's UART0 pin assignments in nrf9160_pca10090ns.overlay. However when I enable...
Dear sir,
We have interfaced a charger ic with NRF52832. It is having a charging status pin to show completion of charge. It is having 3 states
1. High impedance (Battery...
Hello guys,
Something strange is happening here and I need your opinion about that... I have a custom board with nRF52840-based BL654 module on it. I am using SDK15.3.0...
Hello
I am using nrf52840 chip. I am having trouble configuring SAADC to read analogue input on two channels (one signal is VDD of the chip). I have already searched the...
I am trying to get connected with my Android App and I have noticed that sometimes when the user turns off Bluetooth and tries to enable it again after 20 minutes my Android...
I am working from the ble_app_hids_keyboard example. To support multiple centrals, I imagine the first step is changing NRF_SDH_BLE_PERIPHERAL_LINK_COUNT and NRF_SDH_BLE_TOTAL_LINK_COUNT...
Hi,
I am trying to set up eclipse + gdb + openOCD for debugging zephyr 2.0.0. applications on nRF52832. Following the official Zephyr documentation build-and-run-an-application...
Hello,
I am using NRF52832 with soft device 13.0.0 and Nordic's bootloader from the examples.
What I do is develop an application which stores some values in uicr registers...
I'm using 52810 with s112 stack.
And I need two PWM channel with different frequence. one channel set to 4KHz to cotroller BEEP, the other one set to 15Khz to control...
Hi, I've completed the first 3 BLE tutorials (about advertising and Services).
I've got notifications up and running on the peripheral by using a timer and hvx as in the...