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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico 0.2 (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 0.2 (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
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ZIMBABWE
A simple NE555P IC audible RF field strength meter. It can detect a 1W VHF / UHF handheld from about 2 or 5 meters away. A useful tool to have for testing radio gear. In the blog article you will find...
Audible RF Field Strength Meter
1141
0
1
DX Explorer
DX Explorer
ROMANIA
18
23
Constant current generator for LEDsThe proposed scheme was developed around an LM358 operational double-amplifier integrated circuit. The constant current generator is made with the help of the U2B am...
Constant Current Generator for LEDs
1121
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
This project has begin as a retro gaming console for my own usage but being capable to do some more functions if necessary.The board is designed around a LATTICE iCE40UP5K and on the GIT is available ...
arduFPGA V1.0 game console
1112
0
0
Miron Cristina
Miron Cristina
ROMANIA
1
4
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
1102
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
7 SEGMENT CLOCK ON OLED DISPLAYS - PART 1This project was developed together with a friend and is very well presented here:https://nicuflorica.blogspot.com/2023/05/alt-ceas-ntp-cu-cifre-din-7-segmente...
7-segment NTP clock on four OLED display - Part. 1
1101
0
1
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
Hello everyone!This is my new PCB design. I wanted to share it with you on this platform.This is an expansion board compatible with Raspberry Pi Pico, practically with this board you get access to the...
Raspberry Pi Pico Expansion Board
1082
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
1082
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
1081
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
998
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
Variable stabilizer for low voltagesThe presented circuit allows to obtain stabilized voltages between the limits 1.2-9V.The 'series' transistor Q2 is controlled by the differential applicator consist...
Variable stabilizer for low voltages
995
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
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
982
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
Simple 3x3 Macro Keypad, I made some time ago using CherryMX switches, some SK6812 Mini-e RGB LEDs and a small 0.91" OLED display.You can replace switch 1 (S1) with an rotary encoder if you want.Since...
3x3 Macro Keypad
959
0
1
Marius M
Marius M
ROMANIA
12
20
Application development board for PIC16F628An 18-pin PIC uC development board (PIC16F628) recommended for development and test programs written for this CPU or other compatible ones. The user can obse...
PIC Development Board
950
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
948
0
0
DX Explorer
DX Explorer
ROMANIA
18
23
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
941
0
7
Boogami
Boogami
ROMANIA
1
6
Controller Board used for Led Clock project, based on ESP32D / ESP32E microcontroller.You have to use an FTDI / UART adapter for the initial flash, or you can build yourself this fancy CH340C adapter:...
LedClock - Controller Board ESP32D/E
933
0
1
Marius M
Marius M
ROMANIA
12
20
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