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...
Hello All,
I was doing some development on the Nordic nrf51822 and it was working fine without any issues.
I tried to remove some functions from the main loop (not removing...
Wich is the proper way to bring bootloader into deep sleep?
I'm using a modified version of the BLE Secure DFU Bootloader (SDK 14.1.0) for the nrf52810. I have added button...
We are working on non connectable beacons without any external I/O. They simply have a power and ground. Is it possible to perform OTA updates on such devices. Is there any...
Hello,
I am trying to use the extended advertising mode available on the V15 of the SDK (with SD S140 V6.0.0). I use the template example where i am currently advertising...
Hi,
I have developed part of my code using UART, starting from the UART example in \examples\peripheral\uart , but before continuing I need to start doing things over USB...
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The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /index.jsp .
Reason: Error reading...
HelloI have to evaluate if we can start development with long range (coded phy). I like to see how fare away two devices can be placed to find them (long distance advertising...
Hi,
I am implementing ContikiOS on my custom nRF52823 board. I have been following the instruction here: github.com/.../README-BLE-6LoWPAN.md
I am running Debian 9 testing...
Hi,
I am trying to use the p21 reset pin as gpio but it is not working as expected. it is showing a 3.3v even when i am trying to toggle the pin. I have removed the CONFIGURE...
Hello,
I am just starting to develop on nRF52840. I want to use the USB functionality. Could you please let me know how to get the Vendor ID and Product ID?
Kind regards...
Hi,
I am trying to use the bit counter to get an indication about the length of the data I am sending.
After trying around for a while it turned out the value of the bit...
Hi
I'm using S132 V5.0.0 with the nRF52832.
I tried to add an include declaration to the last added primary service by using BLE_GATT_HANDLE_INVALID as service handle...
Hello Everyone
I want to interface an external flash mx25r6435F with nrf52832. i ll be writing and reading some data. It should be spi .
Can you guys please suggest me...
Hi, everyone, We develope the BLE project on nRF51822 tool that uses the ADC. But the read measures are different from IC to IC. At the link devzone.nordicsemi.com/.../how...
Hello,
I have see this demo
.hex are available witch is already nice, but I would like to get everything needed to reproduce it.
Does someone know if it's possible...