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183 views

How do I feed NRF24L01 from Arduino Pro Mini?

I wanted to control speed of my four coreless DC motors using Arduino Nano. Then I realised my 3.7V 380mAh 25C and 720mAh (110mAh on picture is just to hold my battery's place) 25C LiPo batteries won'...
0
votes
2answers
2k views

Powering an Arduino Mini Pro using a CR2032 battery as a remote control

I'm looking into making my own remote control using an Arduino Mini Pro and some RF transceivers. The receiving end won't be a problem, but the remote will. I want to make it as small as possible and ...
5
votes
1answer
2k views

Trouble connecting Arduino Pro Mini (Atmega328, 3.3V) to nRF24L01 over SPI, receiving all 0 values when I use radio.printDetails();

I am trying to connect my Arduino Pro Mini 3.3V to an nRF24L01 transceiver and cannot see what I am doing wrong. I've checked my wiring a million times because the problem hints there is an invalid or ...
-1
votes
1answer
530 views

Reading SPI between an MCU and NRF24L01

I have a remote control that has an STM32 MCU and sends data via NRF24L01. What I would like to do is clone the data sent when buttons are pressed by reading what is being sent to the RF24 and then ...
0
votes
1answer
446 views

Pressing button stops listening on nrf24l01

I have been tinkering for 2 days to manage send and receive between 2 arduinos. My code is bellow: Arduino 1: #include <SPI.h> #include <RF24.h> #include "printf.h" #define LED 2 #define ...
1
vote
1answer
757 views

Arduino NRF24L01+ arduino to netmf transmit issue

I want to communicate between Arduino Mini Pro (china import) and a stm32f4 running netmf runtime. At the moment I'm able to communicate between SPI1 and SPI2 on the stm32 board. After that I ...