I will be deploying my nRF51822-powered devices into the field and the end user will not be able to have any physical access to, for example, power cycle the board. I need...
Hi,
We are using the ble_app_uart example in evaluation board to read data from some sensors and send it to the nRF UART V2.0 in Android 4.4. Every 20 ms I am trying to...
I am try this at nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\s110\ble_app_hids_keyboard
Firt I connect to Android device and keep one whitelist.pp_addrs and one whitelist...
Hi,
Parameter uint8_t ble_gap_scan_params_t::filter is present in the documentation, but not implemented.
Checked for SDK 5.2.0 and 6.0.0.
devzone.nordicsemi.com...
After I get a Disconnected() event, I want to start scanning again, therefore try to call StartDeviceDiscovery() again.
IsDeviceDiscoveryOngoing was checked before.
The...
Hi, I wanted to ask a question regarding sending data.
I currently have external memory that will send out serial data (SPI) to the nordic microcontroller. I have saved...
Recently, I try to programme nRF51822 DK communicating with nRF2401e1 DK,unfortunately，which does not success. With setting radio configuration: TXPower,frequency channel...
I would like to use the nRF24L01+ for a telemetry project that requires broadcast at 100% duty cycle at a fixed bitrate. Ideally, we could also use our own frame format. ...
I am trying to use whitelisting and a passkey to add security for my application. So far I have the passkey set up so that it is working on the master control panel on PC...
Dear sir.
From [nRF51_Series_Reference_manual], ADC maximum input voltage has two rules.
The ADC should not be exposed to higher voltage than 2.4 V on an AIN pin...
hi
i have one custom service that have 6 characteristics
when in android i want to write in one of characteristics it take about one sec .
is this for having 6 characteristic...
In the Androir master control panel app, in the scanner results there is a 'Type:' line for each device. Most of them around me say 'UNKNOWN' however some say 'BLE only'....
SDK 11.0.0, S132 v2.0.0, nRF52.
I have searched through the many questions already on the dev zone on this topic, but cannot solve my problem. I tried adding the dfu service...
hello all,
i am a begineer to nordic . i am trying to read adc PCF8591 value through TWI and i want to print the value in UART TERMINAL.
i have written the code. but...
Hi,
Im trying to connect ble_app_uart to my gsm module. For some reason program fails at runtime. I was expecting to find a filename and line number where the error has...
Hi,
nRF52 Board, S132. Now, I want 6 pwm, 6 adc .
nRF52 has 5Timers, Timer0-Timer4.
Now, I allocation these timers as follows:
//TIMER0 is used by softDevice
APP_PWM_INSTANCE...
Hi,
I want to access restricted peripheral: TIMER0.
After small research found that I should use sd_ wrappers, in my case sd_nvic_SetPendingIRQ(TIMER0_IRQn) however I...
Greetings,
I'm working with LPCOMP to detect a signal. This signal is the output of an opamp amplifier. What is happening is that when the LPCOMP is switched on there are...
Hi,
I am using SHT21 Temp sensor via TWI manager. As per the spec shown in the image
I have to add 20us delay between the sensor ACK and STOP command.
Is there any...
Hello, I have the Beacon Development board and the sample firmware downloaded and up and running in the Keil MDK IDE. My specific application requires some code to execute...
Hi,
i want to add a current time service to nRFgo. In particular for the glucose measurement profile.
Any suggestions for this???
I add manually the current timer service...
Custom nRF51822
SD130
SDK V11
So sometimes my disconnects seem to fail, the return code says success, but when I try to reconnect I get an error 18, NRF_ERROR_CONN_COUNT...
