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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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Among 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 very useful for powering variou...
Adjustable voltage power supply
2132
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Circuit presentationDouble voltage source + 15V / -15V and + 5V / -5V stabilizedThis circuit offers a set of two double voltages, at a maximum current of 1A. The 7815 and 7915 integrated circuits can ...
Double voltage source
1701
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
818
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
DC-DC converter for car [12V / 13.8V....24V, 2A max, adjustable]In the car, to power a laptop, a medium power audio amplifier that is powered at more than 12V or whose device requires a supply voltage...
DC-DC Converter for Car
1249
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
This well-known integrated circuit LM2575, is a voltage regulator In switching and is delivered in 4 variants:- three variants with fixed output voltage (LM2575-5, 12 or 15);- a variant with adjustabl...
LM2575 SMPS
1676
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
The RS-485 standard allows reliable communications at distances up to 1200 m, using relatively inexpensive cables and transmissiondifferential.The RS232 / 485 converter is used to connect a network of...
Communication RS232 to RS485
1855
10
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Hello!We have prepared a small tutorial with Raspberry Pi + UltrasonicSensor + Servo Motor. I would try another Raspberry Pi application forbeginners; I looked among the pieces I had at my disposal, a...
Raspberry Pi + Servo Motor + Ultrasonic Sensor
5949
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Audio amplifier 25W TDA2030A fairly well-known and interesting montagePresentationThe presented audio amplifier is made using the TDA2030 integrated circuit. In the monophonic version, the amplifier, ...
Audio amplifier 25W TDA2030
406
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Learning Shield for Arduino BoardsThis learning shield for Arduino takes all the complexity of the hardware and reduces it to a simple interface. This is a modular circuit board with extra functionali...
Learning Shield for Arduino Uno
920
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Capacity indicator for Li-Ion batteriesAs you can see from the title of this project, this time I want to present you a indicator circuit version made with the well-known LM3914; I present a small ele...
LM3914 Indicator
1533
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
The proposed application will result in a general purpose programmable timer with output on a power relay. At the base of the circuit is the NE555 integrated circuit. The relay is operated when the ST...
Electronic Timer
879
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
The LM3914 integrated circuit is well known. Its capsule with the meaning of the pins is presented in this datasheet.https://www.ti.com/lit/ds/symlink/lm3914.pdfThe IC is especially known for controll...
10 POINTS VOLTMETER, HIGH RESOLUTION
926
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Hi!This is a DC-DC module built around the well-known LM317 IC, it does not contain the diode bridge, so it cannot be used directly with a transformer. I also chose some usual connectors, you can tigh...
LM317 DC-DC Converter
900
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
1453
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Indicator for rechargeable batteryI present to you a circuit of very small dimensions, designed with a few SMD components; easy to implement in narrow spaces, important for some electronic projects. T...
Indicator for discharged battery
1114
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Stereo Amplifier with TDA1524The circuit is designed as an active volume and tone corrector for radio receivers, television and audio equipment.stationary.It includes functions for bass and treble cor...
Stereo Amplifier with TDA1524
2502
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
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