hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
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...
How do I block Bluetooth signals ? (I want the signals to be transmitted 180 degrees, not 360 degrees)
I have read it could be done with aluminium foil, but I have not...
I am looking at using an nRF51 in a BLE product (industrial applications).
One of the things that I have to sort of prove is that it will be a better choice than something...
Hi, everyone. I would like to be notified about the brown-out on my device. I know about POF peripheral, but lowest possible threshold is NRF_POWER_THRESHOLD_V21 (which is...
First off, forgive me for being a newbie at ARM programming in general. In AVR this was straight forward.
I have a circuit connected like this to the ADC (P0.01 = AnalogInput2...
Hi,
I would like to transfer real time ecg data from a 3-channel adc (250 Hz per channel, 16 bits ) using nRF51822 to an android device. I would like to know if this is possible...
We are looking at using the Gazell protocol for a project. There isn't much information out there except for the "Gazell Link Layer User's Guide"
developer.nordicsemi.com...
Hi,
I've been working with a two LPC1768 boards with connections to Addicore nRF24L01+ boards.
I have not been able to successfully receive an ack on the PTX board although...
Hello
What is a typical current draw when using a PORT GPIOTE interrupt? I seem to be drawing approximately 200uA with a port event enabled. Is this normal?
I'm using...
Here: developer.nordicsemi.com/.../a00050.html
"The Bootloader/DFU with SoftDevice update example shows how a SoftDevice, bootloader, and pplication (sic) can be updated...
Hi,
I am trying to bring up custom board with 51822 CFAC-A0.
And I am continuously getting the following error as soon as the code does advertising_start().
I am using...
This comment for this line of code in twi_sw_master.c is misleading:
#define TWI_DELAY() nrf_delay_us(4) /*!< Time to wait when pin states are changed. For fast-mode the...
Hello all
I'm new to Nordic products and the Keil compiler and in order to fast-track my development I have two computers, home and work, running Keil MDK-ARM (lite) with...
