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16 questions

29
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Last activity 2017-09-08 23:44:22 +0200 by eric

nrf24l01 is too slow to send a string from Raspberry pi to Arduino?

using the sample code at

http://invent.module143.com/daskal_tu...

i am able to use nrf24l01 to communicate raspberry pi with arduino, but the problem is the timing. I found it takes > 20 ms to send a very simple string ... (more)

81
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Last activity 2017-08-04 06:46:49 +0200 by sanjose007

Need SPI example to connect slave device using Arduino SPI pins

I was pointed to st7565LCD.c for this question before, but SDK 13 does not seem to have that example. It would be really helpful if I can get spi_read() and spi_write() functions as welll. thanks.

351
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Last activity 2017-03-31 12:16:34 +0200 by parthee

nRF51822 - arduino beginner

Am beginner of nRF51822, please suggest programming tool and tutorial links.

90
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Last activity 2017-01-09 12:51:57 +0200 by Murugan

Arduino code for nRF51822 (Board PCA10028)

Dear Nordic Team,

Thanks for supporting.

I have a nRF51822 Board (PCA10028) and Also i have arduino code for reabear from (https://github.com/RedBearLab/nRF5182... )this link. It was generated hex file also.

I am try to burn this ... (more)

71
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Last activity 2016-12-06 22:16:18 +0200 by Joe

NTC thermistor timer setup arduino

by using Arduino mini pro 3.3v

I am planing to measure the temperature for the first five minutes, if the temp is over 40 degrees the device will send to Android app and flashy red led(sperated led).

if ... (more)

73
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Last activity 2016-11-03 01:03:59 +0200 by Manu

Digital read output from arduino using nrf51dk

Hi,

I am using arduino to sample sensor and it sends out the value to the digital pin. I want to read this digital value using nrf51dk. Is there any example using digital read? I will be using uart service ... (more)

190
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Last activity 2016-09-28 10:05:59 +0200 by Petter Myhre flag of Norway

ARDUINO + D52QD2M4IA (nRF52832) - implementing...

Hi,

I am trying to implement a biometric group telemetry system for my gym and experimentation.

In the past I used a nRF24AP2 module and an ARDUINO PRO MINI 3.3V 8MHz and a custom library wrote by me. ARDUINO ... (more)

194
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1
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Last activity 2016-07-04 07:27:19 +0200 by Akshat

nRF-52 support on Arduino

Hi,

I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that nRF-52 chips will get arduino IDE support as standalone. I want to upgrade to nRF-52 series, If i will use ... (more)

127
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Last activity 2016-04-03 01:05:45 +0200 by Gaucho

nrfgo studio - arduino - rsc

i made this project to try to create RSC service on arduino

https://developer.bluetooth.org/Commu...

unfortunately the server starts but i'm not able to let the speed to be set.. could someone help me?

363
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answers
Last activity 2016-01-20 13:45:24 +0200 by erltot

Arduino and nRF51822

I am very familiar with the arduino side but the BLE is brand new to me. I was wondering if I can use P0.00 and P0.01 to talk to the arduino and if its possible how exactly I ... (more)

302
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answers
Last activity 2015-12-21 07:21:25 +0200 by adrianwong

Having problem using arduino IRQ handler in nrf51822

Hi, could anyone please help me as I currently using nrf51822-arduino-library in a nrf51822 chip and I couldn't call the interrupt function : wakeUp(). Current I'm connect the external interrupt pin to nrf51822 pin : P0_1 or arduino pin : A0 ... (more)

1k
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Last activity 2015-11-03 07:07:54 +0200 by abhiat

Arduino, DS18B20 and NRF24l01

Hello guys, I'm doing a hobby project and can't seem to get it working. Aim of the project is to transmit temperature values from a DS18B20 using an Arduino Uno and NRF24l01. The receiver should receive temperature values ... (more)

149
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Last activity 2015-06-17 23:18:31 +0200 by Henry J

Develop Central UART to talk to RedBear Simple Control Arduino board

I would like to develop my own central device to communicate with the RedBear Arduino shield. The RB device uses a from of UART communications to send data to/from Android and iOS applications. There is sample UART code for ... (more)

313
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Last activity 2015-03-18 16:10:51 +0200 by Bo

Example for combined HID/UART XML (nRF8001-Arduino)

Hi all,

I have been trying to combine the UART and hID Keyboard examples into a single application. I want to use the HID part to send specific keystrokes using buttons on my Arduino. I want to use the UART ... (more)

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Last activity 2014-09-17 13:56:54 +0200 by Binyamin

Suggestions for cheapest Arduino basic real-time RFID localization - distance tracking solution?

I am looking for cheapest (up to few hundred USD) and simplest Arduino basic solution to track real-time RFID tags distance (also direction if possible) without additional readers or antennas. Current setup: 1 reader and 3 tags with ability to ... (more)

299
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Last activity 2014-08-07 07:10:33 +0200 by Johann

can Nrf905 communicate at 5v logic level with arduino ? or must it be 3.3v?

Hi I would like to know if it is possible to to run the Nrf905 chips on 5v logic level without damaging the chip ? i see many people playing with arduino and these chips but would just like to confirm the setup.

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