I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
Hi,
how long does it take time if i would wake up a nrf51422 rev2 (ANT and BLE) in deepest possible sleep mode ?
And how long does it tai if after wakeup it had to communicate...
I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
I am following this tutorial
I'm using Segger Embedded Studio v3.10i, and SDK 12.2.0. I have the exact same problem in both Linux and Windows.
I have done everything...
What are the details of internal pin connection circuitry when connected as GPIO/IRQ vs ADC vs Comparator? Is there an internal pull down (what value)? Is there internal diode...
what should be RAM Settings for 51822QFAA chip?
I am using nrf sdk for mesh. what should be required ram settings for 51822 in order to run light switch server example....
Hello,
I have problem with missing GPIOTE event. Sometimes event doesn't occur, sometimes there is no problem. This event is very rare but important. I think it happens...
Hi all,
I am working on Temperature and Humidity(DHT11) with nrf52832, After advertising the Bluetooth i am calling the DHT11 sensor function in loop, few seconds it is...
Hello , I would like to know lifetime expectancy of NRF52832 IC. By lifetime expectancy I mean the amount of duration before NRF52832 goes non-functional. Please help me in...
Hi,
In disk_uninitialize function there are following lines of code:
if (m_drives[drv].last_result == NRF_BLOCK_DEV_RESULT_SUCCESS) { m_drives[drv].state |= STA_NOINIT;...
I have extend the light switch example to send message to the other node. I have refer This example to send message. But how to configure another node to receive the message...
HTU21D.rar hello there i am interfacing HTU21D with nrf51822. i am reading temperature and humidty from HTU21D. humidty register is E5. and temperature register is E3. now...
Hi,
I was trying to implement software UART for our product so I decided to use timer compare channels event connected to gpiote with interrupt. I want to toggle data line...
Hi,
Application: turning on/off a LED by toggling a GPIO pin using a timer and PPI. Important: the on-time of the LED must be very precise, i.e. the jitter must be minimal...
Dear Sir/Madam,
I have a sensor prototype board using nRF51822 for Bluetooth communication and I am now working on its firmware. I have installed MDK version 5.16 and...
Dear sir,
Sir i am using MDBT42V module. I want to know that whether the SCL & SDA pine are internally pulled high in this module ?
Regards,
Manoj Hiwarkar
Hi,
I have a problem where I am getting NRF_ERROR_RESOURCES errors 2 out of 3 times when sending notifications from my peripheral to my central. I think this is caused because...
I have designed a custom board with a TF325J32K7680 32KHz clock with +-50ppm tolerance, for the 32MHz I am using the CX2016DB32000D0WZRC1 with +-40ppm tolerance.
Simple...
