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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)
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What is it?This is a cute alpaca badge which uses a color changing RGB LED, a battery holder and a slide switch. It has two sewing hooks on the back so it can be easily attached to clothes or bags usi...
Alpaca Badge
1577
0
3
Engineer
Engineer
ROMANIA
1
0
Adjustable voltage power supplyAmong 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 ...
Adjustable voltage power supply
772
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
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
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]
617
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
4852
0
5
Florica Tudor-Nicusor
Florica Tudor-Nicusor
ROMANIA
19
2
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)
3206
10
11
Marius M
Marius M
ROMANIA
12
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
1526
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
6727
1
8
Florentin ghicuta
Florentin ghicuta
ROMANIA
9
0
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
1886
0
1
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
Small size MT3608 DC-DC boost converter with fixed output.You have to use the properly resistor values for R1 and R2 resistors (they are marked with 1 and 2 on the PCB.You can calculate the output vol...
Fixed output MT3608
556
0
0
Marius M
Marius M
ROMANIA
12
20
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
947
0
0
DX Explorer
DX Explorer
ROMANIA
18
23
Sometimes, your ESP based project doesn't need a dedicated USB to TTL chip because you won't upload the firmware so often (especially on custom / embedded projects).In this case you can use a dedicate...
CH340C programmer with Auto-Reset
837
0
0
Marius M
Marius M
ROMANIA
12
20
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
956
0
1
Marius M
Marius M
ROMANIA
12
20
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
1
2
3
4
5
6