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...
Hi,
Can someone tell me (definitively) what the max SPI clock speed is?
I have seen 2,4 and 8Mhz here and in recent documentation and I'm confused.
Thanks
Hi
I have been experimenting with encryption and bonding and I think I don't understand completely the bond procedure.
To bond a device, it is necessary using the bond...
HI ,all !
I have a question about PORT event function.
as the 4 channels of GPIOTE (channel0 to channel3 ) have been used for other usage.
i need to use a general IO...
The only documentation I can find for s120 is part of the nRF51 SDK . Though it isn't clearly stated the SDK assumes release 1.0.1 of S120 is being used.
The v2.0.0 S120...
Hi
I got some questions about KEIL MDK uVision5.12 PACK.
I tried uVision5.12 PACK to install Nordic SDK package. Currenly, their latest version is v7.1.0.
If...
Hi,
I get 0x2001 error in spi_master_close() at the following 2 lines.
/* Disable interrupt */
APP_ERROR_CHECK(sd_nvic_ClearPendingIRQ(p_spi_instance->irq_type));
...
I got my UART working just in basic sending and receiving.
Now I am trying to implement buffer feature and other non-blocking features. I have done this on other CPU's many...
I've been playing with the simple_uart example and it seems like it might be missing responses. Does it buffer incoming data until the simple_uart_get() is called?
Hi,
I searched through the devzone but I cannot find a answer on this question but the question has been asked before.
Some background. I have a working solution from...
Hello,
I am working with nRF51822 DK. For the development of my system, I want more BLE devices. So I am planning to buy nRF51 dongle. But I need to know how many times I...
Hi, I'm using mbed version nrf51-dongle. ( developer.mbed.org/.../)
It made an error when count it to the OSX Yosemite, so I tried to fix this error.
...and I gave up...
Hi,
I am try to read and write sd/sdhc card with file system with nrf51822 controller for that i need sd card library for read and write.But i read and write raw data into...
I want to graduate from hacking my own data through the heart-rate-service (hrs). None of these seem to fulfill my requirements. Is there a document or template from which...
I want to process queued sensor data collected at a fixed interval (every 100ms) via TWI in the background/main loop. In the example ble_app_hrs , timer expiration callbacks...