A new library/toolkit has been built that allows us to invoke the services of an nRF24L01 from a Java environment. Documentation and links to the Github project can be found...
Hi,
I am sending data from Android phone in every 200 ms to nRF8001. But sometimes I found there is a 50 ms or 100 ms delay. It looks like nRF8001 spending some time in...
Hello,
I'm starting a new nRF51 project on mbed for a custom board. I wish to know what is the "cleanest" way to define pinout (what file to edit) ?
Thank you
I have enabled data ready interrupt bit and also enabled the fifo bit and also enabled gyro_fifo and accel_fifo bits in mpu6050 so that when data ready interrupt occurs the...
I will be selling various ble products. My customers can connect to and program the devices using their bluetooth smart phone or tablet.
I want them to have the option...
Hi,
I am trying to run nRF24L01+ in default configuration using simple ping-pong examples using RF24 Arduino library.
The problem is that while ping-pong is getting through...
Hi,
I'm trying the nRF UART example but I can't get it to work.
I have opened the uart_example project in uVision and loaded it to PCA10001.
Then I opened the Master...
I want to add timer to send sensor movement data to PC every 8ms(125HZ).
But when I add app_timer like normal
1.raise APP_TIMER_MAX_TIMERS
2.raise APP_TIMER_OP_QUEUE_SIZE...
I am testing Keil MDK5 and created my own simple nRF51422 project (not from the sample), hello world type of code. But the "download" button is disabled.
The J-Link is configured...
Hi,
Can anyone please tell me the exact way to enter into the bootloader mode by writing some characteristics with specific value.
I tried setting
NRF_POWER->GPREGRET...
The existing Master Control Panel cannot be used as an automatic test platform.
Basically I am looking to send commands via a tcp/ip which will invoke scan/connect/disconnect...
I'm trying to measure a scaled down battery voltage level on an ADC pin. Given my resistor values the voltage on the pin should be about 0.279 times VBATT, to fit within 1...
Hi Nordic guys,
How much is the current consumption of the LDO only (quiescent current), without DC / DC converter, in uA? How much is dropout voltage and PSRR (ripple...
I try to modify "ble_app_ibeacon" sample code. But when I add some adv_uuids for services to advdata.uuids_complete or I changed advdata.name_type from BLE_ADVDATA_NO_NAME...
Hi,
I need to write a validation document for nRF51822 . The first step need is the specification for its calibration. But I couldn't find it in your website. Can you send...
Hello,
My project name is Remote Operated Vehicle. Basically i am using a PS2 controller as the joystick to control the car. So, my aim is to build wireless interface between...
In this function in nrf_gpio.h, why is there a GPIO_PIN_CNF_INPUT_Connect value there?
Shouldn't that be GPIO_PIN_CNF_INPUT_Disconnect, or does it not really matter?
...
I need to pass a bit, to 500 recipients in a closed room.
My doubt is, 500 receptors works simultaneously without interference?
Ref. to buy:
www.ebay.com/.../251458486443...
I've seen various threads here with sample code attached that show how to set up a timer to measure a battery voltage periodically. They also seem to use an external crystal...
