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 attempting the use of Nordic's 802.15.4 stack with Softdevice in a multiprotocol way, but not using Thread or Zigbee. The application initializes sdh, then ble, then...
Hello everyone,
Currently I'm experiencing with some issues with serial bootloader in SDK 15.3. I'm using NRF52832 on my custom board together with main MCU that performs...
I am interfacing nrf52840DK to a SPI module soldered by myself on a custom PCB adapter, connected by wires. This is the init code:
I have two issues with the default...
Dear Colleagues
SoftDevice API has event NRF_EVT_POWER_FAILURE_WARNING but is missing something like NRF_EVT_POWER_RESTORED
My application needs to quickly check if power...
nRF52832-QFAA-0E, S132
With DCDC, UART and SoftDeivce enabled my ammeter shows 1.3 mA, but when app calls sd_softdevice_disable() current actually increases to ~4 mA
The...
Hi! Im just getting started With the NRF9160 DK. I have followed the instructions on "getting started Assistant" for NRF Connect (Windows 10). when im trying to build my Project...
I have a working/functioning project running on the nRF51 dongle that I want to develop for production. To save a step in FCC certification I am developing on an FCC approved...
Hello,
I am currently attempting to include mesh functionality in a bootloader so as to have it do DFU over mesh without the serial port. I keep getting errors when trying...
hi..... i am using nRF52832 and segger latest version 3.1 mesh sdk
i am trying to send the message from client to server side using light switch example , I have made some...
I'm testing this with SDK 15.2 on an NRF52832, with SD132.
The documentation says: "When the space is exhausted, write requests return the error FDS_ERR_NO_SPACE_IN_FLASH...
HI all
I am facing SPI cofiguration issue on nRF 52 DK.I am using PAJ7025R2 sensor and will act as a slave, and nRF52 acts as a master.Currently i am not getting any data...
Hi,
I would like to program a ble basic program on nRF51822 chip. I have Keil uvision MDK 5, ST Link programmer, SDK 8.0.0 and S130 softdevice + a third-party development...
Hello,
I have developed a prototype that uses the nRF52840 Adafruit Feather Express, a few sensors, and some other components. I am somewhat new to hardware engineering;...
