Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I changed the dfu start address to 0x00 and application start address to 0x8000.
The application use the RTC0 IRQ to count the timer,
but the RTC0 IRQ did not work correct...
I've been successfully using IAR and I-jet with the 51822 and S110. I can build, download and run under the debugger with no problems.
I recently switched to the 51422...
Has anyone has any success flashing a nRF24LU+ dongle NOT using the official dev kit ? I'm attempting to flash using another microcontroller programmed as an SPI Master so...
I will be happy if someone points out this is a newbie problem and not something weirder...
Running on Win7, 64 bit BTW...
I recently received the nRF51 eval kit. I...
Hi,
I am trying to connect my msp430f1611 microcontroller with the nrf8001 bluetooth chip. I read this thread ( devzone.nordicsemi.com/.../) and it seems very helpful....
I have been trying to implement a SPI Master on the nRF51822 Eval board in order to read data from an Analog Devices ADXL345 3-axis Accelerometer. I chose to start with the...
Hello,
Firstly, the nRF5122 Product Specification v1.3 Section 4.2 says that TIMER0 is 32 bits wide.
However, other product specs seem to mention 16/24 bit timers, and...
Hello Nordic people!
I'm developing my first firmware on nRF51822 and I need help with BLE, profiles and SoftDevice S110 stack.
Application it's a speed sensor for bicycles...
I have nrf51422 dk. The boards I connect to 3.3V power and via jlink to my pc.
I use the JLink command line tool.
I can not access the chips. Erasing is not possible and...
Hi there,
I am using Eclipse and GCC (codesourcery) as development tools.
In the gcc makefile, once provided by Nordic with the "button_radio_example" are two lines...
Would the example github.com/.../require-encryption-5.1.0
compile without any extra configuration ?
I am trying to build it in a Keil uVision v.5.12.0.0, but I have some...
Hi,
I have an idea to implement BLE based access control application. I considered nRF51822 based Peripheral device & iOS application for central device
Both the Central...
We are in the process of creating our 2nd pass boards with following components to achieve good RF range>20 meters. We are considering discrete BALUN components and SMD Chip...
I see 5V pins on the schematic for the new nRF51 development kit. If I power the board via USB, I understand that 5V is regulated down to 3.3V for the chip. Is the source...
hi,
i'm gonna make 51822 enter low power consumption mode.Meanwhile it could be wake up by "GPIOTE_IRQHandler()"
1:Now,i know that "sd_power_system_off()" can make 51822...