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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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SIDKick pico 0.2 DAC (SID 6581/8580-replacement for C64/C128)
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Frog Boy Color
Low Cost Drone using ESP32
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
kv4p HT v1.7b
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Couple of months ago, I bought a "Raspberry Pi Pico" to get some hands-on experience of it and to create some amazing projects using it. But since then, it has just been sitting on my desk, collecting...
Getting Started With Raspberry Pi Pico
3781
0
1
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
A water level indicator detects and indicates the level of water in an overhead tank and relays the information back to a control panel to indicate whether the tank has a high or low water level.In th...
Liquid level indicator Using ULN2003
437
0
2
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
The UNL2003 IC contains 7 High Voltage, High Current NPN Darlington Transistor Arrays each rated at 50V, 500mA in a 16-pin DIP package. You can connect the IC directly to a digital logic (like Arduino...
All About IC UNL2003
262
0
1
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
The 555 timer IC is an integrated circuit that is used in a variety of timer circuits, pulse generators and oscillator applications. The heart of the tutorial is the 555 timer IC that is wired as an a...
Adjustable IC555 Single/Dual LED Flasher
1689
0
1
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
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
762
0
3
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
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
118
0
0
Astro's Electronics Lab
Astro's Electronics Lab
AUSTRALIA
16
39
Add a headphone socket to any existing stereo amplifier that doesn't have one. This L-pad attenuator hangs directly off the power amplifier(s), and you can choose to use the DPDT switch inside the soc...
Headphone Adaptor for Power Amplifiers
563
0
1
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
1022
0
2
Terminal Curiosity - Luke
Terminal Curiosity - Luke
AUSTRALIA
0
0
Proximity sensing is a very common application in electronics.There are several ways to accomplish this. The most common way is by using a PIR sensor. PIR Sensor senses the change in ambient infrared ...
All About RCWL-0516 Microwave Radar Motion Sensor
1185
0
2
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
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
2301
0
1
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
In this tutorial I am going to show you guys how to make an Arduino or NodeMCU based Weather Station using DHT11 or DHT22 temperature and humidity sensor and display it using an OLED Display. DHT...
Weather Station Using Arduino and NodeMCU
2417
0
4
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
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
219
0
0
Astro's Electronics Lab
Astro's Electronics Lab
AUSTRALIA
16
39
It's been a while, the Autobots have appeared on the silver screen. Finally they are returning to the big screen in their upcoming Transformers movie "Rise of the Beasts".This inspired me in making a ...
Transformers PCB BADGE
956
0
1
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
1
Back in March, 1977, Electronics Today International (ETI) released a project called ETI-480. This was a 50W and 100W power amplifier that was sold as a kit for nearly 30 years at places like Jaycar E...
AEL-480 Amplifier Power Supply & Muting
938
0
1
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
510
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
503
0
0
Paul Perano
Paul Perano
AUSTRALIA
2
1
1
2
