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CAN-Bus Relay Module with ATMEGA8a
MakerIoT2020 Mar 22,2022
CAN-Relay Module with Atmega8a/168/328Note: 25/10/2023I have made an updated version of this project, due to issues with component availability. That resulted in a change of the Gerber files and BOM. These new files are now updated here.CAN-Bus allows us to add a lot of devices to a single bus (theoretically up to 127, with a practical limit of about 110). It was logical to decide to use CAN-BUS for communication between my LoRa-CAN Module and remote nodes in my ongoing farm telemetry system. In...
IOT CAN Relay Moduile
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Peg Box with Temperature and Humidity Monitor using NodeMCU
Adhikari Mar 20,2022
In my last tutorial I created a Weather Station using Arduino and NodeMCU using DHT11 or DHT22 temperature and humidity sensor and displayed it using an OLED Display. In this tutorial, I am going create a Peg-Box using the same board but with a little bit of twist. In this setup, I am going to send the Temperature and Humidity readings to my Raspberry Pi based home server and store it in a MySQL database. The data can then be viewed using PHP and Google Charts, on a Mobile Phone or a PC connecte...
Arduino ESP8266 Raspberry pi
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RGB Mixinator V2
Arnov sharma Mar 19,2022
Hey Everyone how you doin!So here's a fun little project that utilizes an Arduino Nano, THE MIXINATOR.Mixinator is essentially an RGB Studio Light that contains 10 WS2812B LEDs controlled via three Sliding Pots. we can control the color output by changing the sliding Pot position.We can use it to illuminate the workbench or any scene, I added this light on my ENDER3 PRINTER so I can capture the timelapse of XYZ Stuff in RGB Glow.This is actually Version 2 of my previous Mixinator project that I ...
DIY USB Arduino
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Mini Arduino with ATTINY85
silicioslab Mar 18,2022
Do you know the ATTINY85 microcontroller? This article has news and a gift for you. Many people develop projects with few digital inputs/outputs and use the ATMEGA328P microcontroller. But there is a problem: it is expensive, there are many digital pins left, your circuit will be complex and the project board will take up more space.Today I want to show you a simpler yet powerful solution. I want to introduce you to the ATTINY85 Microcontroller. It is a compact, simple, low cost and low power co...
DIY USB Arduino
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Classic Analog Spectrum Analyzer for Your Desktop
Donners Mar 16,2022
This is a spectrum analyzer that visualizes 10 audio frequency bands. Although it might look like just another FFT ESP32 project, it is most certainly not! This design uses a PCB that I designed and build and although it involves an ESP32, it doesn't involve FFT. ( A digital way to determine what frequencies are embedded in a signal). The analysis of the input signal is actually done by 10 good old fashion opamp driven, band filters.An ESP32 is used to host a webserver for visualization and to d...
Arduino Audio ESP32
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A custom ATmega32u4 board
Curious Scientist Mar 15,2022
I decided to make my own ATmega32u4-based microcontroller board for several reasons. I wanted to have a general design based on this microcontroller which I can adapt in other PCB designs that need a microcontroller. I also wanted to practice SMD soldering, PCB design in general, and I needed some new microcontrollers so this was kind of a win-win situation.I added an interactive BOM so you can pick the parts more easily.Parts Value and footprintC5, C7, C10 - 100nF C_0603_1608MetricC2, C6 - 10uF...
Arduino ATmega32u4 atmega
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How to make an Arduino UNO at Home? DIY Arduino
Krishna S Mar 14,2022
In this project, we are going to be making our own customized Arduino Uno board and I will be showing you how easy it is to make one. I will be explaining everything in detail, in very simple terms so that it will be very easy for you to understand. Everything you need to build your Arduino board is in the description. Make sure you check it out! Let’s get started.How to make an Arduino Board – Video Tutorial?Too lazy to read? we have a complete video tutorial for you! Push t...
diy arduino how to make arduino board customized arduino board
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DCC_Block_Detector
Fantini Mar 14,2022
DCC 8 pin block detector
Arduino DIY
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Block_Detector
Fantini Mar 14,2022
DCC Sniffer for contrl 8 Motors
Arduino DIY
517
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DIY Pulse Oximeter
Shinganapure Mar 12,2022
Step 1: Basic PrincipleHow An Oximeter works?Basically Oximeter calculates the percentage oxygen saturation in the blood on basis of amount of different light absorb in it. Oximeter has One photodiode and two LEDs one is Red LED & another one is InfraRed LED, both LEDs are switched one by one on a certain frequency. To take measurements fingertip is placed in between of photodiode and LEDs as shown in the picture. Oxygenated blood absorbs more Infrared Light and passthrough the more red ligh...
Wearable LED pulse oximeter
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Project OverviewThis project delivers a complete, custom-designed PCB solution for building Meshtastic mesh network nodes. Unlike traditional communication methods that rely on cellular towers or Wi-F...
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