Questions tagged [nrf24l01]
An Ultra low power 2.4GHz RF Transceiver IC
131 questions
1 vote
2 answers
101 views
Does it really matter to interchange transmitter and receiver in a transceiver module, where one module is more powerful than other?
I have this and this module (one piece each), which I will be using to automatically turn on and off my water pump (which is installed in the basement, inside my house) by sensing the water level of ...
- 907
1 vote
4 answers
86 views
nRF24l01: Avoiding address conflicts
I have never used the nRF24l01 before, and there is something I don’t fully understand. I’ve tried googling and searching the forums but haven’t found a satisfactory explanation. My understanding is ...
- 1,719
0 votes
1 answer
85 views
NRF24L01P only works with 15cm jumper wires on PCB
This is my first time designing a PCB. I designed and printed a PCB that has an NRF24L01P RFM. The system involves a transmitter and receiver. Transmitter is working as expected, but the receiver is ...
- 871
-1 votes
1 answer
53 views
Adding a second antenna to nRF2401l
All nRF2401l modules comes with one antenna. Can we add a second antenna to a custom made PCB? The image below from the chip data sheet shows it has 2 antenna pins. Am I right in this?
- 11
0 votes
0 answers
87 views
Load cell value becomes negative when above certain force
I have a 100 gram load cell with the hx711 amplifier board. I have it wired up to an arduino nano with an NRF24L01 module to send the raw value to another arduino nano. The problem is that when I aply ...
3 votes
2 answers
480 views
RF receiver frizzes when start brushless motor
I'm trying to build a quadcopter with and Arduino, and I'm facing a problem, that is the RF receiver of the quadcopter freezes (not the Arduino) when I turn on the brushless motor. ...
0 votes
0 answers
130 views
How to use nRF24L01 on ATTiny85 and together with serial TX?
I am using ATTiny85 + nRF24L01 to receive radio messages. After connecting nRF24L01 to ATTiny85 I don't have much PINs left, as I use all pins except PB5=RST: ...
- 279
2 votes
0 answers
113 views
Review of PCB RF Design
I designed a 4 layer RF board with the NRF24L01+. When I got the boards in to test I was not able to establish a radio link with some other NRF24L01+ modules. I have attached my schematic and board ...
- 381