RF24
muTimer
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| RF24 | muTimer | |
|---|---|---|
| 22 | 1 | |
| 2,162 | 6 | |
| 1.6% | - | |
| 7.4 | 0.0 | |
| 9 days ago | over 1 year ago | |
| C++ | C++ | |
| GNU General Public License v3.0 only | MIT License |
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RF24
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higher channels not working on nRF24l01+PA+LNA radio units
Yeah. If you have the main RF24 library installed it's under the examples in "scanner"
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wifi/location automation programming?
No unfortunately I don't. One of the cool things I did learn about the NRF24L01's though is that on the main page run by the guy that is like THE author of the library that everybody uses with them; He has a sketch that you can run and it will scan all of the frequency channels it supports and give you an ascii graph showing which ones it saw signals the most on.
- How to redirect stdout within MegaTinyCore?
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Which one is correct?
Here is THE library on which 90% of everyone else's libraries are based off of. This guy quite literally wrote the book on these devices. Bookmark this link and treat this guy as the source of truth for all things related to the RF24 series. I recently discovered 8 NRF24L01's that I had stuck away and I've been playing with them for about the past two months and this is my go-to website for anything I want to know about connecting them and using them. 🙃
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Help me ASAP!!!!
That's right. Just like Wifi and other radio comms have the ability to vary which specific frequency they make use of, the RF24 line and others give you the ability to choose the default channel. I think each of the available channels is about 100Hz away from each other. Here is the main web page by the author of pretty much the go-to library for the RF24 series of devices. One of the projects he has listed there (if I remember correctly) will go through all of the available channels and give you a psuedo-graphic representation of how much interference it is seeing on each channel in order to hep pick which channel to use so you aren't fighting it out with all of the devices your neighbors might be using with the various devices they have.
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nrf24L01+ scanner porting from cpp to micropython
I started playing around with my pico and an nrf24L01+ module this week and I was thinking to just hack this a bit more, starting from porting the https://github.com/nRF24/RF24/blob/master/examples_pico/scanner.cpp scanner to micropython.
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Help with nRF24l01+ library
I used the RF24 library and official datasheet as a reference.
- nRF24L01+PA+LNA Problems with getting Started scrip
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My first project! I know it's just a wireless servo and my code is totally crooked, but you gotta start somewhere right! i should've gotten this stuff so much sooner...
Which Library did you use to interface with the NRF modules? I've tried the RadioHead library and this one but haven't been able to get a successful send/receive between my two Arduinos.
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I found an easy way to test 2.4GHz downconverters for RTL SDR using a nRF24L01 module
But I didn't know if it worked. I saw a lot of different random signals, but I had no way to know if it was just amplified noise, nor I had a way to know if the downconverter frequency was exactly 2.4GHz, or something else. I have a few cheap nRF24L01 modules around, and plenty of 3.3V Arduino boards, so after a quick read on the nRF24 library (https://github.com/nRF24/RF24), I had a super simple generator running using the carrier wave function of the nRF24.
muTimer
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muTimer Library: On/Off-Delay / Cycle Timer (non-blocking) for Arduino
Good point, I added an example to write the output on a change only.
What are some alternatives?
MicroPython - MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
IRremoteESP8266 - Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/
IT8951 - Driver for the IT8951 e-paper controller on Raspberry Pi
ChowMatrix - Matrix delay effect
HCSR04 - Arduino library for HC-SR04, HC-SRF05, DYP-ME007, BLJ-ME007Y, JSN-SR04T ultrasonic ranging sensor
ESP32_C3_TimerInterrupt - This library enables you to use Interrupt from Hardware Timers on an ESP32-C3-based board. These ESP32-C3 Hardware Timers, using Interrupt, still work even if other functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software timers using millis() or micros(). That's mandatory if you need to measure some data requiring better accuracy. It now supports 16 ISR-based Timers, while consuming only 1 Hardware Timer. Timers' interval is very long (ulong millisecs). The most important feature is they're ISR-based Timers. Therefore, their executions are not blocked by bad-behaving functions or tasks. This important feature is absolutely necessary for mission-critical tasks.
TLE5012-Magnetic-Angle-Sensor - This repository includes an library for Arduino for the TLE5012 Magnetic Angle Sensor with SSC interface.
node-red-contrib-controltimer - Controllable timer for Node-RED
MPU6050_light - Lightweight, fast and simple library to communicate with the MPU6050
arduino-timer - Non-blocking library for delaying function calls
Adafruit_SSD1306 - Arduino library for SSD1306 monochrome 128x64 and 128x32 OLEDs
ArduinoJson - 📟 JSON library for Arduino and embedded C++. Simple and efficient.