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'm connecting to the same microcontroller with nRF Master control using the same firmware, but I noticed that the connectivity time is not similar with every connection....
Hi guys,
I have a question when design the pcb layout stack with nRF52832, CSP package (CHAA). As recommendation from Nordic, using 4 layers will give best performance...
I noticed that Digi-Key had a new part number for the nRF52 DK that wasn't designated "Preview", so I assumed it might be the final silicon. However, nRFgo Studio identifies...
Now I work on designing a product, which is implemented by sending LMP commands to a bluetooth device with nrf51822. Unfortunately, nrf51822 liberary could not provide the...
Hello All
I'm newbe for this device. Now my customer asking multiple offline programming IC NRF51822-QFAC-R. But I'm not sure the device can support parallel programming...
Hello,
has anyone done some good testing on the connection quality between multiple nRF51 chipsets running on the S130 SoftDevice? (Using all four connections, 3 as Central...
I'm trying to merge 'ble_app_uart' and 'twi_sensor' example.
I developed twi function in 'twi_sensor' example. I add 'ble_app_uart' example file 'nrf_drv_twi.c'
and also...
nrf51822_sleep.txt
Currently i running nordic code in Arduino IDE through the library from RedbearLab : github.com/.../nRF51822-Arduino and I facing a problem in sleeping...
Hi, can anyone explain to me about this example in this link with details :
github.com/.../main.c
I'm a newbie in nordic and i found it difficult to understand this example...
I install
gcc-arm-none-eabi-4_9-2015q3-20150921-win32
make-3.81
coreutils-5.3.0
and setup the PATH in windows
then i enter CMD mode make some command to...
I am using the LFCLK RC oscillator, 8000ms calibration interval.
Is it possible to read from some register the resulting calibration value for the LFCLK RC oscillator?
Now I work on designing a product, which is implemented by sending LMP commands to a bluetooth device with nrf51822. Unfortunately, nrf51822 liberary could not provide the...
Hello,
measuring ADC signal on P0.26/AIN0/XL2 and P0.27/AIN1/XL1 doesn't work (I get constant value from the ADC not reflecting actual voltage on the pin). AIN2 - AIN7 seem...
I need to send a disconnect command from the app layer. I've seen a few other posts that say to use uint32_t sd_ble_gap_disconnect. One post had this line of code as an answer...
