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 an existing phone app (using the traditional GATT system), and I would like mesh-enable my products so that if the products can see each other, then the phone can connect...
nRF51822 PS says standard drive GPIO output voltage will be VDD-0.3V ~ VDD In our previous project w/ nRF51822, I found it to be very close to VDD when connected to GND via...
Hi... i am using nRF52832 ,15.2 version sdk . I want to send the data from esp32 to nRF52832 through Rx ,Tx . I have done connections rx,tx,gnd . I can able to transmit the...
Hello,
I'm trying to setup an automated pairing for two devices. My peripheral device is advertising and should only allow connection requests from a specific central device...
I'm developing a multirole device to connect to a peripheral device that we developed earlier.
The multirole device when acting as a central device it scans for the peripheral...
To the kind attention of Nordic support team,
1. I have been using secured gazell library, where master is always polling in order to receive a message.
I was wondering...
Hi!
I'm developing a TCP server running on th e nRF9160, but there seem to be a problem with accepting clients. The code is very simple, just calls to socket, bind, listen...
Hi. I've developed a PCB with nRF52832 and I'm having problems with the circuit. When I put my hands closelly of P0.00(XL1) and P0.01(XL2) the bahavior of nRF changes... I...
I apologize if this was already answered elsewhere - I didn't find it.
I have been digging in the nRF52840 source code for the serial_nRF52840 SES project to understand...
Hello, I am trying to switch from BLE_GAP_PHY_AUTO to BLE_GAP_PHY_CODED in runtime, and I need to change central event length via sd_ble_cfg_set(). Whether is it possible...
Hi, i am working on servo motor using nrf52840 development kit , i want to run parallely four servo motors , i have merged the ble_app_uart+pwm library example ,
1. As of...
Hi,
I am using an external RCT module to provide 32.768kHz square wave for the nRF52832 instead of an external crystal oscillator. When the system goes to deep sleep mode...
Hello,
I'm aiming for flashing the nrf52832 via SWD via my own SWD implementation.
I'm good so far with the init phase, reading IDCODE writing registers. Long stort short...
Hello,
I am using nRF52840, SDK_16.0.0, SoftDevice S140 V7.0.1 and Segger for flashing the image. I am using ‘ble_app_blinky’.
I modified ble_app_blinky with below...
