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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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SlimeVR Hyperion BMI160 PCB
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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
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ZIMBABWE
Expansion board for ESP32Hello everyone!This is my new PCB design. I wanted to share it with you on this platform.This expansion board is designed to be compatible with ESP32 boards. It is an expansio...
ESP32 Expansion Board
2024
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
### DESCRIPTIONA very cute reindeer Christmas ornament. You can hang it on the Christmas tree or anywhere you likeIt`s very simple to make and requiers few components!### TECHNICAL DETAILS / COMPONENT...
Rudolph
3231
0
3
katalin_123m
katalin_123m
ROMANIA
2
0
Constant current source for a white LED lampThis circuit ensures a constant supply current (pre-relayed in the range 25....440mA from the semi-adjustable RV1) of a maximum of 24 white LEDs that can eq...
C.C. Source for LEDs
738
0
0
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I present to you a circuit which is a little outdated, but quite pleasant for some, I saw that this LM3909 is still found and I said to draw a pcb.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
1245
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
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
1088
0
0
Miron Cristina
Miron Cristina
ROMANIA
1
4
Source: https://diycrap.blogspot.com/2015/12/homebrew-swr-and-power-meter.htmlIt's crap, but I did it myself.Saturday, December 5, 2015Homebrew SWR and power meterFirst of all, this SWR meter in this ...
SWR and PWR meter
3581
0
5
FLORIAN-UDVARI ANTAL-ARPAD
FLORIAN-UDVARI ANTAL-ARPAD
ROMANIA
4
0
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
2229
0
4
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1106
2
2
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
RS485 MODULEWith this module you can communicate your Arduino through RS485, achieving distances much greater than TTL and RS232. Supports Modbus and DMX.This module allows you to build a RS485 to Ser...
RS485 Module for Arduino
1906
0
2
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
1790
0
2
Marius M
Marius M
ROMANIA
11
20
ESP32 D1 Mini compatible board for led control via WLED App, based on SN74LVC2T45 level shifter, with sound reactive capabilities. PLEASE BEWARE !!!IMPUT VOLTAGE MUST MA...
ESP32 D1 mini - WLED Controller SR (5-12V)
421
0
1
Marius M
Marius M
ROMANIA
11
20
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
1060
0
1
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
7 SEGMENT CLOCK ON OLED DISPLAYS - PART 2This 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. 2
668
0
2
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
7 SEGMENT CLOCK ON OLED DISPLAYS - PART 3This 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. 3
492
0
1
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
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
1310
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
PWM controller with galvanic isolationCircuit operationWith this type of circuit you can control the speed of a motor from 0 to 100%. The pulses are generated by the oscillator made with NE555, the fr...
PWM controller with galvanic isolation
1821
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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