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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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step-up with UC3843 5A
step-up with UC3843
2139
0
0
Vlad Gheorghe
Vlad Gheorghe
ROMANIA
0
4
Hi!The circuit shown can be used to turn on the light in the garden, or some light panels / advertisements in the evening; or early in the morning when they need to be turned off; automatic switching ...
Switch based light sensor
2106
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
nanoSense:Motion is an Ultra-Low Power Motion / Human Presence Sensing device with Bluetooth Low Energy connectivity.The device is based on the Kemet PL-N823-01 Pyroelectric Infrared Sensor and the On...
nanoSense:Motion - Ultra Low Power Wireless Motion Sensing
2074
2
3
Engineer
Engineer
ROMANIA
3
0
Expansion board for ESP32Hello everyone!This is my new PCB design. I wanted to share it with you on this platform.This expansion board is designed to be compatible with ESP32 boards. It is an expansio...
ESP32 Expansion Board
2043
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
ARDUINO LCD 1602 SHIELD + KEYBOARDThe LCD1602 shield can be mounted together with an Arduino Nano development board to add an LCD display and keyboard.After installing the shield, you can upload a cod...
ARDUINO LCD 1602 SHIELD + KEYBOARD
2041
2
0
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
1957
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
RS485 MODULEWith this module you can communicate your Arduino through RS485, achieving distances much greater than TTL and RS232. Supports Modbus and DMX.This module allows you to build a RS485 to Ser...
RS485 Module for Arduino
1910
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
A minimalist CW transmitter built in less than ten minutes. Only ten components and a power output of 700mW. A great project for beginners in building amateur radio equipment. The original schematic w...
700 mW Minimalist CW Transmitter
1873
2
2
DX Explorer
DX Explorer
ROMANIA
17
23
2x30W Stereo Amplifier with TDA1521Technical data:2x12V power supplyMaximum RMS power 2x15W / 4ohm or 2x10W / 8ohmMaximum musical power 2x30W / 4ohmSensitivity 300mV / 20Kohm7Hz ... 60kHz (-3dB) frequ...
TDA1521 Audio Amplifier
1864
2
1
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
1849
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
1829
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
### DESCRIPTIONLog data from your Kart to a bluetooth device using a few sensors.### TECHNICAL DETAILS / COMPONENTSYou will need: An Arduino Nano (or another Arduino board), 4 Hall effect switches, 3 ...
ARDUINO Kart Data Logger
1803
0
1
Pintea Mihaita
Pintea Mihaita
ROMANIA
28
26
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
1800
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Simple development board for ESP8266 with FTDI header.Install the FTDI driver select the board as WeMos D1 mini in Arduino IDE and upload your sketch.The advantage is that you don't neet to put GPIO 0...
ESP8266 dev board
1795
0
2
Marius M
Marius M
ROMANIA
11
20
VC-Panning-TH-Voltage Controled Pan (Thru Hole) Eurorack LM13700 Bassed vc-pan.BOM------##MISC##100K potentionmeter (1)PJ302M Jacks (3)10k ohm (2)Transistor 2n3906 (2)1N5819 Schottky Diodes (2)1N4148 ...
Voltage control panner
1703
3
4
theonickolas
theonickolas
ROMANIA
4
2
This project is for a person who likes to build electronics circuits, obviously we can find other solutions for charging a 3.7V battery, much more cheaper and also using SMD components, which means th...
LM358 3.7 Battery Charger
1699
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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