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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
QuinLED-Dig-Uno
Bike Fingerprint - PCB
Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Tad Boy Color
Arduino RC engine sound & light controller with inertia simulation for ESP32
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
kv4p HT v1.7b
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Li-Fi is a light communication system that is capable of transmitting data at high speeds over the visible light, ultraviolet, and infrared spectrums. The term was first introduced by Harald Haa...
Li-Fi data transfer experiment - transferring data using a Led and Solar Cell
651
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
PEMF therapy, or Pulsed Electromagnetic Field therapy, is a type of therapy that uses electromagnetic fields to promote health and well-being. PEMF therapy is based on the idea that electr...
How to make Multichannel PEMF Therapy device for PEMF Bed
1242
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
An ion thruster (also known as ion engines) is a type of propulsion system that generates thrust by accelerating ions to high speeds and expelling them out of the back of the engine. The basic p...
DIY Simplest Multistage Ion Thrust Plasma Engine
655
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
Power supply unit is the most useful and necessary device in every laboratory. In this video I will try to briefly explain how to build a complete device, as well as some of the more impor...
How to make Advanced Laboratory Power Supply with RD6006W module, and short Review
695
0
1
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
81
0
Hi guys, welcome to this new tutorial. Today I will show you the easiest way to discharge a Ebike Battery for the winter by using…SuppliesEbike battery (in my case a Fiido D4s one)Lamp holderLamp bulb...
Easiest Way to Discharge a Ebike Battery
951
0
0
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
Hi guys, today let's see together how to balance a battery pack through a very common micro-USB connector or with the traditional methodStep 1: Why Balance MattersWhen charging a battery pack it may h...
How to Balance a Battery Pack With USB or the Traditional Method - TP4056
1077
0
1
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
Hi guys, in this article we will see how to make a very convenient single charger for 18650 cells so that you don't always have to arrange homemade tools like magnets or things like that to hook into ...
Single 18560 Battery Charger With TP4056
807
1
0
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
The H bridge inverter is used to convert DC voltages to AC voltages. An h bridge is common in generating pure sine waveforms from DC square waveforms.H-bridge consists of 4 switches which could be tra...
H-Bridge Inverter PCB Design Board
1487
0
1
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
Circuit presentationThe electronic circuit presented indicates the value of the voltage with eight LEDs, namely the following voltage levels: 10; 10.5; 11; 12; 13; 14; 14.5 and 15V. Because the values...
Car Battery Monitor
1170
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
50
14
Using DW01 series (DW01A, DW01V, etc.) chips, small size and powerfulExternal 8205MOS, up to 4 MOS according to different versionSuitable for various sizes of lithium batteries, including 18650 and ot...
4MOS DW01 lithium battery protection board
1109
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
594
40
Stromversorgung für variable Knopfzellen-Halter Bestueckung auf 4x4 LEGO(R) Raster. SMD-Schalter zum Ein-/Ausschalten auf der Platinenrueckseite sowie zwei 2,54mm Pfostenstecker für Anschluss von LEDs...
32x32mm Battery Holder on LEGO(R) 3 2/3 HE 4 Studs 3V/6V
929
0
0
Alexander Ehle
Alexander Ehle
GERMANY
4
5
For the past couple of years, I have been powering my Sony 55” LCD TV and charging laptop computers from a 12V solar system.Both the Sony TV and the laptop computers had an input voltage of 19.5VDC. T...
synchronous buck boost DC to DC converter
852
0
0
Engineer
Engineer
INDIA
0
0
Designed to work with a 12V battery so if the light goes out you can still open the mechanism. It has a 5V power supply and when the button is pressed an NE555 timer sends a signal for 5 seconds to th...
Open a door with a button remotely!
739
0
0
Engineer
Engineer
0
0
Lithium battery charging and boosting 5V output circuit based on TP5400 integrated IC, input 0.3~10V, output 1.8A/5V
Lithium battery charge and discharge module
2099
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
594
40
This design is based on a Linear LT8490/LT8491 High Voltage, High Current Buck-Boost Battery Charge Controller with Maximum Power Point Tracking (MPPT).Most PV solar regulators are buck regu...
Battery Charger With Maximum Power Point Tracker
877
1
0
Engineer
Engineer
INDIA
0
0
Using DW01 series (DW01A, DW01V, etc.) chips, small size and powerfulExternal 8205MOS, up to 4 MOS according to different versionSuitable for various sizes of lithium batteries, including 18650 and ot...
1MOS DW01 lithium battery protection board
1648
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
594
40
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