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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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ZIMBABWE
To power up electronics circuits or while testing different voltage-ampere/power ranges are required. We can not deliver that power from a single battery. Either we have to put a buck converter or lin...
Variable Current/Voltage DC power supply
3494
1
1
Manoj kumar
Manoj kumar
INDIA
18
0
To design the schematic and PCB, I used Altium Designer 22 and the SamacSys component libraries (Altium plugin). To get high-quality fabricated PCB boards, I sent the Gerbers to PCBWay and purchased o...
220Vac to 5Vdc Transformerless Power Supply Using LNK304
3241
0
5
PCBWay Team
PCBWay Team
CHINA, PEOPLES REPUBLIC
172
3
A battery management system (BMS) is any electronic system that manages a rechargeable battery (cell or battery pack), such as by protecting the battery from operating ou...
MCP73831 Based BMS Unit
1249
0
0
Sreeram.zeno
Sreeram.zeno
INDIA
18
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
1129
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
The use of mobile phones is increasing day by day due to the involvement of digital and online things in our lives. During the period of the pandemic, when offices and educational institutions were cl...
Power Bank Circuit Design Board PCB
1325
0
0
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
Circuit Operation?The assembly ensures the charging phase with limited current and constant voltage. The low voltage charging current of the transformer passes through the transistor Q1, the diode D7,...
Battery Cell Charger
1268
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
InspirationWhile making a customized RGB LED set up at our home, basically it was a bunch of addressable 5v LEDs the WS2812, but unfortunately we didn't have a high current power source to light them ...
Zeus - An AC to DC High Watt Power Supply Unit
1122
0
0
Deblina Chattopadhyay
Deblina Chattopadhyay
INDIA
2
0
Relay and Isolated Input Base BoardThis PCB is part one of a stackable series, which will comprise an Automation Controller, controllable via the ESP32-s or ESP-12E SOC modules. `This project is consi...
Relay and Isolated Input Base Board
2982
0
5
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
power module for audio amplifier
power module for audio amplifier
1214
0
2
Roman Zaglinskiy
Roman Zaglinskiy
UKRAINE
13
0
This is my attempt at a LiPo-based battery pack for "Classic" HP Calculators, specifically HP-35, HP-45, and HP-55. The original NiCd packs are all dead by now, and rebuilding them is difficult -...
HP Classic Calculator LiPo Battery Pack V2
2074
0
0
Tom LeMense
Tom LeMense
UNITED STATES OF AMERICA
1
3
This simple circuit for charging car batteries is interesting for its behavior which can be defined as similar to that of the alternator regulator mounted on cars.It is in fact able to charge the batt...
12 V DC battery charge
801
0
0
PagAnto
PagAnto
ITALY
1
2
This project proposes a diagnostic system of a power electronic converter, based on a cheap STM32 Nucleo board, aiming to extract some relevant measurements which gives back important values of the co...
Prototype of a system for self-diagnosis of electronic power converters based on the board Nucleo STM32
1229
0
1
PagAnto
PagAnto
ITALY
1
2
A variable power supply is one which includes some means for the user to easily adjust the output voltage and sometimes the current. Adjustment is most often accomplished with a po...
SMPS 5 amp variable power supply with transformer auto cut off technology
1129
1
1
Sayanik Mandal
Sayanik Mandal
INDIA
56
19
Get the AC input Dauthercards connections to 90 degrees angle.
PowerSupply Dauthercards AC Connection
1061
0
0
David Bergeron
David Bergeron
CANADA
0
0
I have used MB102 breadboard power supply module, but it don't have fuse on any rail and do not indicate voltages on 5V and 3.3V rails. There are also versions where full input voltage is available on...
Breadboard Power Supply Module 3.3V 5V 7-12V with USB port
2394
0
3
Mateusz Lipiński
Mateusz Lipiński
POLAND
3
0
A simple battery discharge protection circuit implemented with TL431, BC557 transistors and a small number of resistors. The power line is controlled by an N-Channel mosfet instead of a relay. Current...
Battery Discharge Protection
797
0
1
burhan
burhan
TURKEY
63
7
1
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