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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
538
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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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Sequential stairway lighting with Arduino Nano & 8x74HC595 64 Stairs / Sirali Aydinlatma Nano & 8x74HC595 ile 64 Basamak
TRonik Mar 12,2022
EN:*Sequential stairway lighting with Arduino Nano & 8x74HC595 max.64 Stairs ,*Bluetooth,*I2C 4*20 LCD,*I2C RTC,*8xHC595*LDR...TR:*Nano ve 8 adet 74HC595 shift register entegresi ile sirali aydinlatma,*LDR, Bluetooth, LCD, RTC modülleri ile...
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Quectel M95 Arduino Module
Mar 10,2022
Quectel M95 Module*Arduino ile ?al??malar yapabilirsiniz
Arduino IoT
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BatteryCapasityTesterArduino
Fareed Read Mar 10,2022
Dengan alat ini kita dapat mengetahui berapa kapasitas baterai lithium ion 18650, selengkapnya bisa dilihat di blog Fareed Read's Pada tautan ini Mari kita lihat videonya
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Compact IC2 GPIO Interface with 16 Inputs and 16 Outputs from 5 to 24 Vdc
Silvano Rossi Mar 07,2022
 le bobine dei relè devono essere collegate ad un connettore IDC a 20 pin;i contatti dei relè devono essere letti dalle morsettiere su cui va posizionato un letto di aghi._______________________# Hardware GPIO input: PCF8575GPIO output: PCA 9555Input adaptation: resistive dividersOutput drivers: Darlington Drivers PNP TD62783(NPN outputs in a future version)Logic power supply: +5 VdcDriver power supply: up to +24 VdcCommunication: IC2 Bus_______________________# Inputs Each input,...
Arduino Board I2C
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Popular Project
DIY Meshtastic Using ESP32 : Build Your Own Private Off-Grid Network
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...
? How to Make a DIY Spot Welding Machine at Home for 18650 Batteries | Full Circuit & Working
If you’re working on battery pack projects using 18650 lithium-ion cells, then you know how important a spot welder is. Buying a professional spot welding machine can be expensive, but today, I’ll sho...
Bruce RF Reaper PCB
Explore!https://bruce.computer MCU ESP32 S3 N16R8BATTERY 1000MAH6 WAY BUTTONAW9523 IO EXPANDERNRFCC1101 433MHZNFC ST25R3916VIBROBUZZERIR TX RXIBUTTONSDCARDLEDGPSFLIPPER ZERO HEADER COMPATIBL...
LTS Respooler Control Board
The LTS Respooler is a compact and slightly over-engineered filament Respooler optimized for Bambu Lab spools. It integrates a filament runout sensor and wireless app-connectivity for ease of use.!! I...
Self-Balancing Robot PCB
This is the PCB for the self-balancing robot seen in this video: https://youtu.be/K1lzzVGCzAQModel can be fully 3D printed at this link (zero supports required): https://www.printables.com/model/15335...
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