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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
QuinLED-Dig-Uno
kv4p HT v1.7b
Bike Fingerprint - PCB
Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Arduino RC engine sound & light controller with inertia simulation for ESP32
4X40 Watts 4 Channel Audio Amplifier Board DIY TDA7388/CD7388 IC
SummerCart64 - a fully open source N64 flashcart
Frog Boy Color
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
QuinLED-Dig-Uno
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The 555 timer IC is an integrated circuit (IC) that is used in a variety of timer, delay, pulse generator and oscillator circuits.In this tutorial, I am going to show you guys how to make an "Adjustab...
555 Adjustable Delay On Off Timer Circuit
821
0
3
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
3
Using a 555 timer and PWM (Pulse-Width Modulation), by varying its duty-cycle, we can vary the speed of a DC motor by sending bursts of current to it. The 555 is configured as an astable square-wave o...
555 Timer 12VDC Motor Speed Controller
165
0
0
Astro's Electronics Lab
Astro's Electronics Lab
AUSTRALIA
16
39
A simple 200mm PCB ruler project as featured on the Terminal Curiosity YouTube Channel.The project was designed as a tutorial for KiCad for PCB design and contains a wide range of useful information a...
Terminal Curiosity PCB Ruler
1096
0
3
Terminal Curiosity - Luke
Terminal Curiosity - Luke
AUSTRALIA
0
0
IntroWalkie-talkie using Arduino, humm.. sounds interesting isn't it?Alright, lets spend some time today and design and understand this fairly simple circuit, and lets find out how our expectations ar...
How to Make Walkie Talkie Using Arduino
2372
0
1
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
3
Ever needed a temperature controlled cooling fan to only come on when necessary? Such as in an amplifier or in a power supply? Then this is the simple solution! This simple servo unit, based on a 555 ...
555 Timer PWM-Controlled Cooling Fan
248
0
0
Astro's Electronics Lab
Astro's Electronics Lab
AUSTRALIA
16
39
The first in the Funway into SME series, A Simple LED Flasher, that is an example of an Astable Multi Vibrator, which is the basis for a simple oscillator. This circuit will show up again later in the...
Funway into SME: Project 1 - LED FLasher
531
0
0
Paul Fisher
Paul Fisher
AUSTRALIA
0
4
Sick of building simple transistor circuits to find they fail. So I designed and built this test bed for small signal transistors. You work out the biasing resistor values then using a multimeter se...
Single BJT Amp Test Bed
545
0
0
Paul Perano
Paul Perano
AUSTRALIA
2
1
I was looking for a simple audio oscillator I could just grab and use with minimal cables. Plug in a RCA - Croc clips cable and switch it on.I run the oscillator on a 9V battery and feed it through a ...
XR2206 Sine Wave Gen
873
0
0
Paul Perano
Paul Perano
AUSTRALIA
2
1
Those annoying FETs are never what the datasheets tell me. So I calculate what I think the biasing should be. Grab a multimeter and pretest the trim pots. Plug in the FET/MOSFETs and test away. Tw...
Single JFET MOSFET Setup_2023-06-03(1)
444
0
0
Paul Perano
Paul Perano
AUSTRALIA
2
1
The Microcomp Version 2Here is your chance to build one of the most controversial Z80 computers ever.For all the information regarding this project including BOM and source code, see https://github.co...
The Talking Electronics Microcomp V2
1823
0
2
Ready Z80
Ready Z80
AUSTRALIA
7
3
A simple Inverting OpAmp board designed to allow you to play with an OpAmp and learn more about it. Plug in the OpAmp you want to test and you can easily adjust the gain or even offset and quickly che...
Single OpAmp Setup Non-Inverting_2023-09-06
420
0
0
Paul Perano
Paul Perano
AUSTRALIA
2
1
This is a learn to solder kit based on an Arduino Uno, which is programmable with a generic FTDI cable. It contains only through hole components so that complete beginners can learn to solder with thi...
Uno Soldering Kit
604
1
0
Daniel cowboydaniel
Daniel cowboydaniel
AUSTRALIA
2
0
Expands fine-pitched flex connector onto the breadboard.I have used this to allow experimentation on an RGB OLED which is part of a power supply design.
W178710ASZ4_tmpa02_wcr4
415
0
0
Greg Hicks
Greg Hicks
AUSTRALIA
0
7
