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,
I'm trying to connect the nrf51822 chip to an ethernet (W5500 module). For the moment, it fails without error (nothing works).
So I start from a simpliest program...
I am finding that bonds are not saved to flash when using the latest SDK and S110 SoftDevice.
To test this, I am using the HTS example code, and the Master Dongle.
I open...
Hello,
I discover and connect my nRF51822 service. It can be peripheral and Communication read/write data. but have some issue for disconnect/reconnect .When My app for iOS...
Hello,
I am planning to develop a system where there are 16 bluetooth LE devices (nRF51822) each one sending/receiving data via Bluetooth LE (~30 kbps) to/from an access...
Hi !
I know that there is a way of OTA updating the nrf8200 application. But i'm not sure if this process requires aditional hardware like it happens when using the BLE113...
Hi All,
I am able to successfully connect to nrf51822 EK using BlueZ 5.12 and can read many of the characteristics except for the temperature value.
I understand that...
Hello
I have a project about voice communication.
Trying to do bidirectional voice communication, is there any possible to work on nrf51822
It means whatever via Bluetooth...
Hi,
I have version 2.0.0 of Evaluation Kit. I was waiting for the new SDK and SD 6.0.0 but I have seen the warning about hardware versions. I have to finish a SoftDevice...
I'm a noob in this alley! it is my first time working with Nordic products. In the past I used Energy Micro and ST Micro.
I downloaded Keil 4.x from ARM website. Then I...
Hello,
I am developing a project using nRF51922 and S310, and the project is built using SDK4.2.2 with the modifications mentioned in a document called "nRF51922 - ble...
We are looking to understand the internal working of the nRF51822 firmware (MEFW_nRF51822_0.9.0_firmware.hex). If someone can share the original code or the basic block diagram...
Hi folks,
I want to match my IFA PCB antenna to the nRF8001. As Harald recommended a couple times, I am going to measure the antenna of the final PCB with a Vector Network...
Hi All,
I use the 51822 DK to do the current measurement and do as the DK user guide 5.1.8 current measurement.
I just use the __WFI() to make the 51822 get into idle...
Hi!
I must match NRF24L01 to 40+j48 ohm antenna. This is not my design, so
no possibility to change. I have PCB antenna, that was measured to be 40+j48 inside
enclosure...
I have some non-volatile storage routines that I have written before, but the new SDK V5.0.0 has this pstorage module that is supposed to replace it, right? How do I migrate...
