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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
SIDKick pico (SID 6581/8580-replacement for C64/C128)
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ZIMBABWE
This year I wanted to add something that I designed and built myself to my Christmas tree so I created this smart decoration with RGB LEDs. The LEDs are controlled by an ESP32 which makes the system c...
RGB Christmas Tree
1310
0
9
Florin Cocos
Florin Cocos
ROMANIA
0
0
This is a Christmas decoration for this year when staying at home became the new normal.The pcb has two exposed areas for the windows and on the back of the left side of the window there is a tree sil...
Christmas gingerbread house
928
0
7
Boogami
Boogami
ROMANIA
1
6
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
1056
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
https://www.youtube.com/watch?v=E527eQ2Tj0Q
VW Golf 5 Plus skyline led ring
2492
0
1
rohdvest rohdvest
rohdvest rohdvest
ROMANIA
10
0
Here's a clever circuit using two 555's to produce a set of traffic lights for a model layout. The animation shows the lighting sequence and this follows the Australian-standard. The red LED has an eq...
Traffic Lights Circuit using NE555
3417
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
I present to you a circuit which is a little outdated, but quite pleasant for some, I saw that this LM3909 is still found and I said to draw a pcb. I added a multi-channel switch, dip switch, which al...
LM3909 flashing indicator
1250
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
For this project I took 2 individual projects and combine them into a single one. I used simple modules which you can find them very easily, for me the position of the modules on the pcb isn`t so impo...
Arduino Digital Clock - TM1637
1604
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
I present a circuit with LED game for beginners, it is made with NE555 and 74hc164; components very easy to obtain. The circuit can be powered by 6-9V; the leds light up one by one from 1 to 8 and the...
LEDs Sequential Turn Light AUDI Style
1627
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
1957
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
1258
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Hello !On the internet we can find many schemes very similar to this one. This circuit is made for a DIY builder, I left enough room for a heat sink. for the filter capacitor; I used 4 rectifier diode...
Small Power Supply with LM317
899
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
I think most of us use a suorce of light when we can`t anything around us, so I present a small circuit and also it can be used for a funny project. I have modified the author`s schematic because I wa...
Fade LED When Dark
719
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
A good quality battery monitor can also be made using a LM324 IC. Previously we have shown a battery monitor circuit that was using a LM3914 IC. LM3914 is also a good IC to make a quality battery moni...
LM324 Battery Indicator
2233
0
4
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
Step-up with UC3843 5A 12V to 30V
step-up with UC3843 5A
3081
0
0
Vlad Gheorghe
Vlad Gheorghe
ROMANIA
0
4
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