Hello,In normal condition, I use UART,pwm,spi an so on.Now I want to clear the configuration, and enter System ON mode.But I don't want to system reset.
How should I do...
Hi, everyone~
My goal is to collect data from 4 sensors simultaneously using iPhone.
Now, my testing code for sensor nodes is working fine. It was built based on the...
I am an android developer and I am using your nRF Master Control Panel (BLE) product as published on Google play. Below is the link to the app:
play.google.com/.../details...
I want to build a USB dongle, so I purchased the nrf24lu1+ development kit. However, in order to program the target board, it would seem that I need the nrfgo. Is this correct...
Hi Nordic,
I would like to re/program my device using a OTA BLE Bootloader but i don't want others to copy my firmware or at least make it very hard. As far as i know there...
After modifying the ancs example to remove the data and control points, the event_connect() subfunction in ble_ancs_c.c gets called immediatly upon a connection to a master...
Hi,
Im trying to use the NRF51DK evaluation board as a data channel between another MCU
and the PCA_10031 bluetooth dongle. Im not using softdevice.
My implementation...
A week ago, I asked about this warning in the product specification:
"If the antenna is exposed to a strong NFC field, current may flow in the opposite direction on the...
I'm working on a project that requires my device to be able to identify when a phone connects that has been previously bonded and placed in the white list. I need to be able...
Hi,
I have developed two different application on nRF51822 with two different location. One is start from 0x1D000 with max size of 16 KB and another start from 0x21000...
When i am trying to transfer data over air using sd_ble_gatts_hvx() function every time i am getting err_code 12 ( NRF_ERROR_DATA_SIZE ) error.
Here i can send data from...
I'm working with ble_app_uart_s130.
Compilation is fine and it works as expected in hardware.
I'm going to add application timer and scheduler.
To do that I have to set...
I want to use ADC / PWM / I2S / UART / SPI / I2C / at a time.
So, Can I use all GPIO pin assign any function?
If I can't use some function at a time, I want to know the...
Launch an example for UART (BLE PERIPHERAL) on the board PCA10040. When try to set the parameter APP_ADV_TIMEOUT_IN_SECONDS = 0 (no timeout) get returned NRF_ERROR_INVALID_PARAM...
Hello,
I have a question regarding AVDD pin.
I am using nRF51822 CEAA package. And the reference circuitry on the datasheet uses a 1.0nF capacitor between VDD and GND...
Hi everyone
I'm facing a weird problem in my design and FreeRTOS. Apparently, my system was working fine, but along I'm adding more tasks, i've detected the system stops...
I'm using RS485 driver on NRF51822 uart. I started software developing with ble_uart exapmle.
RS485 as always has direction control inputs.
Before data transfer to uart...
In my app I have the following:
s110
20 ms min connection interval
100 ms max connection interval
4000 ms con_sup_timeout
I'd like to set the slave_latency...
Hi,
The documentation states -96dBm rx sensitivity for 1mbit BLE mode and -93dBm for proprietary 1mbit mode.
Is it possible to use BLE mode (3 in MODE register) but...
I want to scan for peripheral devices in central-role and at the same time i want to broadcast in peripheral-role. How do i have to initialize the Softdevice in this case...
Hi,
I'm originally iOS app developer.
I have been developing with custom PCB that based on nRF51 chip. (not nordic development kit)
My PCB has a gyro sensor and some...