Questions tagged [nrf24l01]
An Ultra low power 2.4GHz RF Transceiver IC
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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.
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What is the best way to understand if nRF24L01+ still works properly?
I continuously transmit some data from one nRF24L01+ (nRF) to another one. After a long transmission time, I often experience that the transmitter stops its transmission at a random time for no reason....
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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:
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Can I use the NRF24L01 in a vacuum?
Can I use the NRF24L01 module in a vacuum chamber?
I want to put sensors in the chamber, connect them to an Arduino with an NRF24L01 module, and transmit data. Will the module work in metal and glass ...
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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 ...
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Problem switching nRF24L01 module with MOSFET
I am trying to switch nRF24L01 module with MOSFET to reduce power consumption as low power mode for nRF24L01 is not working.
My setup includes STM32G030F6P6TR without external crystal. So, when I put ...
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How can I change SPI ports on an Arduino?
My end goal is to read information from an nRF24l01 module connected to my Arduino UNO R3 and generate an interrupt while doing that.
I have read that for hardware interrupts, only pins D2 and D3 can ...
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The receiver sends correct but too much information to the keyboard with STM32 nRF24
I have a problem with keyboard hid. I did remote control with STM32 transceiver nRF24. My problems that receiver true receiving incoming data but too much text. Problems that:
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how to convert a uint32_t array data buffer to an uint8_t array in C?
I'm making a STM32F4 RC transmitter using the NRF24L01, but this device only support a uint8_t buffer array to transmit. I'm using in the ADC (DMA mode) in my STM32 board but the ADC read output is in ...
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Can I transmit audio sampled with I2S driver from ESP32 using Si24R1 (Chinese clone of nRF24L01)?
I'm trying to transmit audio via nRF24 with an ESP32 development board using a driver library from nopnop2002. I'm using the i2s-adc esp-idf lib functions to get data from an analog microphone and I ...
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I want to get a NRF24L01 transceiver to use as a switch to wake up a toy, but is it possible to use it without a separate controller attached?
To give more detail, the toy I'm trying to modify has a reset pin that I would like to tap remotely, as it goes to sleep after a few minutes and hitting that reset pin wakes it up. As such, while I do ...
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Using An nRF24L01 Module With A 2.5GHz 5dBi Antenna?
I have a basic knowledge about Communications and Antennas, so i was wondering what will happen if i used a 2.5GHz 5dBi antenna instead of a 2.5 GHz 3dBi one?![Images Are Listed Below].
To be specific,...
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Is the output power of nRF24L01+ dependant on power supply level?
I'm making a low power sensor node using a nRF24L01+ module in always-TX mode, powered by 2xAAA batteries. Considering the minimum voltage of 2v when batteries are depleted, the device would still ...
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NRF24L01: SPI communication only writes zeros to registers
I am trying to write simple code for transmitting with the NRF24L01 wireless chip, but the SPI communication is not going very well.
Using the code below I can read any register on the NRF24L01, ...
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How can I connect those pins to jumper wires? [closed]
I have an nRF24L01 and I want to connect these pins with jumper wires to my Arduino but the module covers the right side of the pins and I can't connect jumper wires to them. How can I connect those ...
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