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 am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Currently i was using arduino for my development but now i want to move forward with Some SOC so i found nrf51822 IC.For using nrf51822 ic i need to buy another board which...
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...
