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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
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Solar Powered WiFi Weather Station V2.0
SummerCart64 - a fully open source N64 flashcart
Tad Boy Color
iSpndel_4.0
Arduino RC engine sound & light controller with inertia simulation for ESP32
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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ZIMBABWE
Non Contact Voltage Tester - This is V2. I lowered the value of the current limiting resistor for the LEd from 1K to 330R. Still using the 3 2n2222 npn transistors as the amplifier. And we are using a...
Non Contact Voltage Tester
1769
0
1
learn electronics
learn electronics
UNITED STATES OF AMERICA
94
0
5V USB power supply, power bank can be used for power supply, support 3.0V-12V DC output.PID adjustment, support constant voltage and constant current mode.Software slow start, over-current, over-volt...
Voltage Adjuster
981
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
602
40
What is the buck converter?A buck converter is a DC-to-DC power converter which steps down voltage from its input to its output. It is a class of switched-mode power supply typically containing at lea...
Max 30V Voltage Regulator (5V and 3.3V)
2556
0
0
Atlas Atlas
Atlas Atlas
TURKEY
8
0
I'm currently working on a custom Arduino project where I want to employ the Arduino Uno's ATMega328PU MCU without the Arduino board itself. A 9V battery is going to power my project in the future. Th...
Simple 7805-based 5V regulator for Arduino projects
2850
0
1
Dan
Dan
AUSTRIA
2
9
This is my (hopefully) last iteration of the ADS1256-based DAQ board. I replaced the ATmega32U4 microcontroller with an RP2040 and made the whole board much more compact so I could fit it in a very sp...
ADS1256 - RP2040 Custom DAQ with GPIOs
1385
7
4
Curious Scientist
Curious Scientist
127
66
Adjustable voltage power supplyAmong the most important electronic devices in the electronics laboratory is the voltage source. This source can be linear, switching mode, adjustable or not, but it is ...
Adjustable voltage power supply
1109
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
50
14
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
1211
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
50
14
Sensed bus voltage range: 0V to 26VReport current, voltage, and power16 programmable addressesHigh accuracy: the accuracy is ± 0.5% over the entire temperature rangeFiltering optionsCalibration regist...
INA219 current and voltage detection module
1419
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION
602
40
A simple converter to go from volts to amps. This enables high-speed (approx 10MHz) current measurement of the current used by a device. Measurement can be used on an oscilloscope, a volt-meter, or ...
Current to Voltage Converter
1172
0
0
Tom Briggs
Tom Briggs
UNITED STATES OF AMERICA
0
0
Hi designers!This is a simple circuit for monitoring the voltage of a battery, requires few components and easy to purchase. You can use linear mode or voltage level per led. The adjustment of this as...
Battery Voltage Monitor with LM3914
1628
3
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
50
14
This project was developed to monitor the voltage and current of a led lamp, and subsequently send the data to the cloud (IoT)
Current and Voltage LED LAMP
1787
0
0
Juan David Velasquez Rosero
Juan David Velasquez Rosero
COLOMBIA
0
0
Tentative specsOutput Voltage Stability (± μV/V):24 hour: < 0.3Output Voltage Noise (0.1 - 10 Hz)(±μV/V rms)< 0.03Output Voltage Tempco (±μV/K)< 0.04Short circuit current (mA)10Isolation (M? ...
ADRmu 10V DC reference standard
2566
0
2
Marco Reps
Marco Reps
GERMANY
20
0
Variable stabilizer for low voltagesThe presented circuit allows to obtain stabilized voltages between the limits 1.2-9V.The 'series' transistor Q2 is controlled by the differential applicator consist...
Variable stabilizer for low voltages
1287
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
50
14
Non Contact Voltage Tester - Tests for AC in circuits without touching them. The 3 NPN transistors amplify the electrical field over 100,000 times to create enough current to light the led when AC is ...
Non Contact Voltage Tester
940
0
0
learn electronics
learn electronics
UNITED STATES OF AMERICA
94
0
This is 0-400V 8W variable voltage source for Nixie tests.
12V to 400V HV Source Gerber
2142
0
0
Firat Deveci
Firat Deveci
TURKEY
9
1
1
2
