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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
PIC-PG2C is low cost serial port programmer for 8, 18, 28 and 40 pin PIC microcontrollers. The programmer doesn’t need external power supply and takes all necessary signals and power from RS232 port T...
Serial PiC Programmer
1332
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1326
2
2
DX Explorer
DX Explorer
ROMANIA
17
23
Circuit working principleThe application schemes of the already integrated classics LM317 and LM337 are used, but with the modified reference to increase the voltage from 0V. The power supply is made ...
Differential voltage source
1312
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1309
0
9
Florin Cocos
Florin Cocos
ROMANIA
0
0
This is a Christmas project with two RGB leds and one red led on the back of the tongue. Using the ATTiny414 you can control the blinking lights.
Christmas ornament
1303
1
0
Boogami
Boogami
ROMANIA
1
6
Note: this project should be used together with the project Electronic Active Dummy Load PCB_1/2 (Analog Board) :https://www.pcbway.com/project/shareproject/Electronic_Active_Dummy_Load_PCB1_2_Analog_...
Electronic Active Dummy Load_PCB2/2 (Logic Board)
1283
3
4
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
Capacity indicator for Li-Ion batteriesAs you can see from the title of this project, this time I want to present you a indicator circuit version made with the well-known LM3914; I present a small ele...
LM3914 Indicator
1281
0
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
1280
2
4
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1272
3
3
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
1262
2
3
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
1255
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
1247
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
The integrated fixed / adjustable regulators (ADJ) operating in switching mode are of the "step-down" (LM2575 / LM2576) and "step-up" (LM2577) type, respectively.This series of regulators is also nota...
Switching voltage regulator
1212
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Remote control receiver for switching electrical and household appliancesThe circuit shown can be used in households and facilitates the ON / OFF switching of the light bulb in the room, for example, ...
IR Remote CD4017
1179
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Note: this project should be used together with the project :https://www.pcbway.com/project/shareproject/Electronic_Active_Dummy_Load_PCB2_2_Logic_Board_613dc175.htmlThe active electronic load consist...
Electronic Active Dummy Load_PCB1/2 (Analog Board)
1168
1
3
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
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
1109
2
2
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
1
2
3
4
5
6
7
8
9
10