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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
DIY Mechanical Macro Keypad ― Ocreeb
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
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
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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
961
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1084
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1430
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
I present a circuit from an older electronic magazine, but maybe quite popular for some older people.Attached to a car, in the vicinity of storage systems or warehouses, agricultural farms or animal h...
Anti-Freeze (Detector)
533
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Hi!I present a circuit that can work with several types of sensors, very useful for DIY projects with Arduino.The semi-adjustable potentiometer is included in the resistive divider next to the sensor....
Basic circuit for different types of sensors [DIY]
609
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
The project allows adjusting the operation of the fan, depending on the temperature. To guarantee the satisfactory operation of the fan in any situation, its supply must not fall below the starting vo...
Control Fan using Temperature Sensor
1287
2
4
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
A lot of information you can see at:https://github.com/tehniq3/matrix_clock_weather_net https://nicuflorica.blogspot.com/2019/10/alta-versiune-de-ceas-animat-cu-date.html http://nicuflorica....
"Online" clock with weather data on 32x8 led display
4829
0
5
Florica Tudor-Nicusor
Florica Tudor-Nicusor
ROMANIA
19
2
A 28 Pin DIP EEPROM/EPROM/RAM emulator based on Lattice ICE40UP5K FPGA, this board can be used as development board as well.The 8Bit data bus is voltage translated from 3.3V IO FPGA power to the exter...
EEPROM/EPROM/RAM USB Emulator
60
0
0
Miron Cristina
Miron Cristina
ROMANIA
1
4
Technical data: - supply voltage 12-15V; - minimum level of the audible signal applied at the input> 6Vrms; - adjustment of tilting thresholds.Circuit descriptionAt the base of the a...
Audio balance indicator
1503
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Circuit OperationThe light-operated electronic switch is a common electronic device in automation equipment, security systems, electronic counters, various remote controls, etc. It is very sensitive t...
Twilight with hysterezis
748
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
914
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
With this type of circuit you can control the speed of amotor from 0 to 100%, keeping the torque constant. In principlethe first astable in the NE556 circuit generates a signal withthe frequency of 40...
Control Pulse Width Modulation with NE556
1271
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
SAE PCB Key Rings in striking blue, available in four distinctive variants to suit your preferences. Two of these variants feature a built-in battery, a tactile button, 8 red LEDs, and 8 50-ohm resist...
SAE emblem - Key Ring
299
0
0
Andrei Grosu
Andrei Grosu
ROMANIA
0
6
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
1859
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
I drew this circuit out of the need to reduce the number of connections to the Arduino platform, it uses 2 shift registers 74HC595 together with 8 current limiting resistors. It can be seen as an alte...
8x8 LED Matrix Circuit using 74HC595
1971
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
A simple CW transceiver with one 2N2222 transistor, originally designed by PY2OHH. This is the 40m band version, with slight modifications and it has about 700mW output power. In the video I had some ...
Pititico CW Transceiver
881
0
0
DX Explorer
DX Explorer
ROMANIA
17
23
1
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4
5
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