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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico 0.2 (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
DIY Mechanical Macro Keypad ― Ocreeb
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
Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico 0.2 (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
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A general term for all kinds of physical devices in a computer system, which are composed of electronic, mechanical and photoelectric elements.
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IntroductionWe interact with different intensities and strengths of light in our daily activities. Therefore, detecting the amount of ambient light we interact with is very important. There are severa...
TSL25911 Light Sensor
214
0
0
Simon Mugo
Simon Mugo
KENYA
15
0
Fm Radio Receiver 4 TransistorsFm Radio Receiver 4 TransistorsHere is a very simple and effective circuit using only 4 transistors. The materials used are listed below. What are BC547 and BF199? I wil...
FM RADIO BEYTSEL
216
0
0
Beytullah Gültepe
Beytullah Gültepe
TURKEY
34
0
Flip-Flop CircuitFLIP-FLOPThere are electronic elements whose outputs are stable in two ways with the signal applied to the flip flop circuit inputs. Multivibrators that can maintain the state and, ac...
Flip Flop NEW
164
0
0
Beytullah Gültepe
Beytullah Gültepe
TURKEY
34
0
The rated voltage of single-cell batteries (such as Lithium-ion/Polymer) is below 5V, which is unsuitable for 5V-Logic applications (such as to power your Arduino board). Also, the battery voltage dro...
A Single Battery to Drive Your 5V Loads, Using a 1.2A 96%-Efficient DC to DC Boost Converter
189
0
0
Beytullah Gültepe
Beytullah Gültepe
TURKEY
34
0
PEMF (Pulsed Electromagnetic Field Therapy), which is also known as magnetic pulse therapy uses electromagnetic fields that are applied to the body in pulsing patterns to promote healing and ove...
How to make simple portable PEMF Magnetic Pulser
281
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
62
0
A VU meter, also known as a Volume Unit meter, is a device used to display the audio signal level in real-time. This time I will describe how to make such a device that uses a Vacuum tubes...
How to Make EM84 (6E2) Vacuum Tube Stereo VU Meter
461
0
1
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
62
0
The keyboard for DeviceScript is a fully programmable and expandable keyboard based on RP2040. It allows you to enhance your desktop-level interaction experience and create a creative atmosp...
AgileWhisker Keyboard - A fully programmable, expandable, open-source keyboard designed for creativity
356
0
0
Hogan Lee
Hogan Lee
JAPAN
0
0
High Power DC to Dc Step Up Boost converter 0-30v AdjustableThe LM7812 is a three-pin positive voltage regulator that outputs a constant 12V. When used with a cooler, output current up to 1 A can be o...
High Power DC to Dc Step Up Boost converter 0-30v Adjustable
292
0
0
Beytullah Gültepe
Beytullah Gültepe
TURKEY
34
0
This is a reproduction of the 3GHz input option (Option 030) to suit the HP 53131A, 53132A and 53181A Universal counters.Assembly is straightforward SMD stuff. Just be sure to get the ribbon cable ass...
HP 53131A, 53132A, 53131A 3GHz Input Option 030
377
0
0
Jared NearFarMedia
Jared NearFarMedia
JAPAN
14
43
IntroductionDemand for development and evaluation boards the world over has increased. Due to such demand, many electronic components manufacturers have shifted focus to generating different types of ...
nRF51822 Mini Evaluation Board
593
0
0
Simon Mugo
Simon Mugo
KENYA
15
0
Tesla coil is a type of resonant transformer circuit invented by Nikola Tesla around 1891. It is a high-frequency air-core transformer that produces high-voltage, low-current, and high-frequency...
DIY simple Spark Gap Tesla Coil
286
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
62
0
Hey! You like ripoffs, right?If yes, how about a simple adapter for just €32 plus VAT and shipping?If you LOVE spending way too much for a PCB, what about €98 plus VAT and shipping?Of course you don't...
Segger debug adapter
277
0
0
Béla The Developer Guy
Béla The Developer Guy
HUNGARY
0
1
The circuit that switches between red and blue lights to simulate police lights using the ESP8266 controller and the PNP transistor 2N2222 can be described as follows:ESP8266: Acts as the main control...
Police lighting
421
0
1
CD Smart
CD Smart
EGYPT
5
1
BackgroundFloods pose a significant threat to communities, infrastructure, and the environment. Timely and accurate flood monitoring is crucial for early warning and effective disaster management. In ...
IOT BASED FLOOD MONITORING SYSTEM USING ESP 32 AND ULTRASONIC SENSOR
484
0
0
Rabin Poudel
Rabin Poudel
NEPAL
7
0
Universal Combat Robot Controller by Tomasz RejmerUniversal combat robot controller based on Atmega328AU, which allows radio control of two DC motors and 6 IO ports....
Universal Combat Robot Controller
263
0
0
Engineer
Engineer
POLAND
0
0
7805I am going to show the working of a constant current battery charger circuit. They use a few components, 7805 and some transistors. We often use 7805 in DC regulator, 5V 1A. A lot of digital circu...
Basic current constant or current regulator using 7805
407
0
0
Beytullah Gültepe
Beytullah Gültepe
TURKEY
34
0
1
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