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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
SMALL AMPLIFIER TDA7377 of 15W + 15W + 30WI have developed an amplifier with the following characteristics: 15W + 15W + 30W in 4 ohms and TDA7377 as main component. This has 4 outputs t...
2.1 Amplifier Board with TDA7377
795
3
1
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
Hi designers!This is a simple circuit for monitoring the voltage of a battery, requires few components and easy to purchase. You can use linear mode or voltage level per led. The adjustment of this as...
Battery Voltage Monitor with LM3914
1269
3
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1696
3
4
theonickolas
theonickolas
ROMANIA
4
2
A small PCB Christmas tree, using ATtiny85 / ATtiny13A and TTP223 touch sensor.There are 11 LEDs controlled by four ATtiny pins, plus a TTP223 touch sensor linked to another ATtiny pin, which act as a...
PCB Christmas Tree 2023
830
2
2
Marius M
Marius M
ROMANIA
11
20
A simple CW transceiver with one 2N2222 transistor, based on the Pititico CW Transceiver designed by PY2OHH. This is the 40m band version and it has about 700mW output power. In the blog article you w...
Pititico II CW Transceiver
1525
2
4
DX Explorer
DX Explorer
ROMANIA
16
23
A simple QRP wattmeter and dummy load that allows you to measure the RF output power. Designed for QRP with 1W to 10W scales or 2W to 20W. In the blog article you will find more detailed info.Read the...
Two Scales RF Wattmeter And Dummy Load
1313
2
2
DX Explorer
DX Explorer
ROMANIA
16
23
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
1849
2
2
DX Explorer
DX Explorer
ROMANIA
16
23
A remake of the EA 2650 mini systemBy Craig Southeren, craigs@postincrement.comIn May 1978, Electronics Australia described a small development board based on the Signetics 2650 microprocessor. For ma...
Signetics 2650 SBC
321
2
0
Engineer
Engineer
ROMANIA
0
0
The panel voltmeter that is the subject of this project was developed as a personal necessity.Instead of the classic solutions, already known, the chosen solution was the use of an analog-digital conv...
Atmega328 digital panel meter volt ammeter
1105
2
2
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
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
2031
2
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
water level indicator
water level indicator
719
2
0
Engineer
Engineer
ROMANIA
0
0
Like any motor, stepper motors consist of a stator and a rotor, but without brushes. Unlike conventional brushless DC motors, the variable electromagnetic field that controls movement is formed not by...
Stepper Motor Driver
1598
2
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1856
2
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Hello!I want to introduce you to one of the first Raspberry Pi projects, and the next project I will present aims to teach you how to use certain components together with a Raspberry Pi platform. I st...
Real-time temperature and humidity monitoring using Raspberry Pi and DHT11 (LCD I2C)
2870
2
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
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
1278
2
4
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
This a simple circuit, very easy to build and also efficient. There is enough space for mounting a heat sink, you may want to use a IRFZ44N instead..P.S. I am not the original author of this circuit I...
Adjust Pulse Width Modulation using NE555 and Mosfet
1256
2
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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