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...
In general, I'm working on my own dfu-bootloader project which was developped on the "Engineering A" chip-revision of the nRF52832. We finally have new hardware with the chip...
Hi all,
I have use nRF5_SDK_11.0.0_89a8197 and S130 before and use nRF Toolbox to do switch it to bootloader and do OTA, just use one APP. However, now I'm using nRF5_SDK_12...
Hi,
I look at this demo,found that the ESB is PRX in most time, it may lead to a high power consumption.I want to achieve auto ack, piggybacking data in ACk from PRX.So the...
Hi all, I'm working on experimental_ble_app_buttonless_dfu project in sdk13-alpha using pca10040 board. I just compiled experimental_ble_app_buttonless_dfu successfully for...
Hello all,
I am implementing an energy efficient system, in which I am advertising in BLE_GAP_ADV_TYPE_ADV_SCAN_IND mode, I am using scan_req_report as an acknowledgement...
I'm trying to following example of nRF51_SDK_v12 OTA-DFU Example , but there are no support with BLE400 at all. (BLE 400 has nrf51822 QFACA1 1536EK Chip on it)
I think...
Hi Nordic Team,
Please I would like to ask how can I globally identify my device (nRF51822) based on its address?
Assuming that:
The address type of nRF51 is...
Hi all,
Is it possible to place your own antenna into nrf51822 bluetooth smart beacon kit? if it's possible, how am i going to do it?
am i suppose to remove the antenna...
I made a custom BLE device using nrf51822 and need to do DFU from remote place.
The BLE device is connected using USB to windows PC.
The Serial bootloader examples are...
I am using the nRF52840 Preview DK with BLE 5.0. In the BLE ATT_MTU Throughput Example,I use several api such as sd_ble_gatts_value_get and so on,but i still can not read...
Hello,
I'm using several gpiote interrupts in SDK 12.0.1.
I want to know the max number of low power input pins.
My configuration in sdk_config.h is like below.
thanks...
Hi,
I need to read more than 3 or 4 Bluetooth Heart Rate Sensors (like chest strap, arm band, and so on)... I need to do this using Arduino and some library.
Could someone...
I'm using the ble_app_hrs_adc_battery_measurement example ADC code in my project
However, I don't understand what these lines do
github.com/.../main.c
As far as I...
I am trying to add spi communication to the twi_master_with_twis_slave project because I need to communicate with two different sensors. I have included nrf_drv_spi.h and...
Hi,
in the NRF52832 documentation the TX chain delay is 0.6 µs while the RX chain delay is 9.4µs.
Does that mean if transmitting two packets in a row to the same receiver...
