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ZIMBABWE
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]
675
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
1381
2
4
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
5135
0
5
Florica Tudor-Nicusor
Florica Tudor-Nicusor
ROMANIA
21
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
281
0
0
Miron Cristina
Miron Cristina
ROMANIA
1
4
UPDATE 21.12.2023:BOM update. Silkscreen update.Added some details in project description about the momentary push button.____________________UPDATE 07.12.2023:I updated the BOM file with LCSC parts. ...
WeMos D1 mini - WLED Controller (5-12V)
3855
10
12
Marius M
Marius M
ROMANIA
13
20
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
1769
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
935
1
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
1040
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
1502
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Is a arduino based project open source that is using negasquirt firmware to control an engine with max 4 cylinders
Arduino controlled ecu speeduino open source
7368
1
8
Florentin ghicuta
Florentin ghicuta
ROMANIA
9
0
A simple QRP CW transmitter built in less than ten minutes. Only eight components and an output power of around 700mW @ 12V or 500mW @ 9V. The power output depends on the transistor used and also on t...
Ten Minute Transmitter
270
0
1
DX Explorer
DX Explorer
ROMANIA
29
38
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
456
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
2203
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
Hello!This is a simple project made with Arduino Nano and some common modules. I used an infrared flame sensor, an MQ-2 smoke / gas sensor, an audible warning buzzer, a relay that could control a spri...
Fire Alarm System with Arduino Nano
1196
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
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
2190
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
47
14
The Bias-T ( power / splitter ) required to power the mini whip antenna designed by PZ0RDT for 10kHz to 30MHz. If you want to improve it to resonate better on lower frequencies you could replace C4 wi...
PA0RDT Mini Whip Bias-T
399
0
0
DX Explorer
DX Explorer
ROMANIA
29
38
1
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3
4
5
6
7
8
9
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![Basic circuit for different types of sensors [DIY]](https://pcbwayfile.s3-us-west-2.amazonaws.com/project/21/02/06/0228404156058m.png)
