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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
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Filament Maker from PET Bottle
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PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
Frog Boy Color
espthings.io - ET-P1101 ESPHome Panasonic Climate Interface
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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)
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Circuit OperationShort SW2 presses cycle through displaying the current time in HH:MM and MM:SS format as well as the 12/24-hour display format option. A short SW1 press while on the 12/24-hour displa...
Digital Clock with AT89C2051
4468
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
SMALL AMPLIFIER TDA7377 of 15W + 15W + 30WI have developed an amplifier with the following characteristics: 15W + 15W + 30W in 4 ohms and TDA7377 as main component. This has 4 outputs t...
2.1 Amplifier Board with TDA7377
852
3
1
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
Circuit operationThis circuit can be used for detecting the signals emitted by our cell phones when we are called or call another user.When calling a GSM mobile, identification signals (Signal Control...
Phone Calling Dectector
925
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
PWM controller with galvanic isolationCircuit operationWith this type of circuit you can control the speed of a motor from 0 to 100%. The pulses are generated by the oscillator made with NE555, the fr...
PWM controller with galvanic isolation
1880
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Vu-meter with multicolored LED dot bar The presented vu-meter is an electronic instrument used to measure the volume of electrical audio frequency signals displayed on a scale of 10 LEDs in ascending ...
Vu-meter with multicolored LED dot bar
1884
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
WIFI Wall switch 2 way
WIFI Wall switch 2 way
869
0
5
Marius Ciprian Clipici
Marius Ciprian Clipici
ROMANIA
0
0
Hello! This is my Project!. There are situations when it is necessary the display in one form or another of an electrical size or non-electric. Display mode it is chosen taking into account several as...
Simple Voltage Indicator with LEDs Bargraph
1454
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
water level indicator
water level indicator
742
2
0
Engineer
Engineer
ROMANIA
0
0
PWM mosfet driver breakout for LED lights
mosfet driver
715
0
0
Florin Uifelean
Florin Uifelean
ROMANIA
0
0
In the center of this circuit are IC NE555 and IC 74HC595, the two push buttons can change the status of the LEDs, the starting point of the lighting cycle. This circuit assembly contains two shift re...
Flowing LEDs
829
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Using this electronic circuit, a very simple pulse generator can be made, using a 4066 circuit.This pulse generator allows the regulation of the "high" and "low" states of the output signal. (J1).The ...
Pulse generator
582
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Dynamic light game with 8 LEDsUsing IC NE555 and Shift Resistor IC CD4015, it is a circuit that sequentially flickers LEDs from 1 to 8. IC CD4015 consists of two 4-bit shift registers inside. If they ...
DYNAMIC LED LIGHT
2281
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Info:A very useful tool that equips Hi-Fi amplifiers is known as the VU-meter. With its help, the saturation input thresholds can be detected, the powers on the two stereo channels can be equalized, t...
Pocket VU-Meter
726
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Constant current source for a white LED lampThis circuit ensures a constant supply current (pre-relayed in the range 25....440mA from the semi-adjustable RV1) of a maximum of 24 white LEDs that can eq...
C.C. Source for LEDs
763
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
The integrated fixed / adjustable regulators (ADJ) operating in switching mode are of the "step-down" (LM2575 / LM2576) and "step-up" (LM2577) type, respectively.This series of regulators is also nota...
Switching voltage regulator
1238
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Like any motor, stepper motors consist of a stator and a rotor, but without brushes. Unlike conventional brushless DC motors, the variable electromagnetic field that controls movement is formed not by...
Stepper Motor Driver
1651
2
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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