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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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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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ZIMBABWE
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
765
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
The proposed application will result in a general purpose programmable timer with output on a power relay. At the base of the circuit is the NE555 integrated circuit. The relay is operated when the ST...
Electronic Timer
753
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
water level indicator
water level indicator
748
2
0
Engineer
Engineer
ROMANIA
0
0
Hello! This time I want to present an 7-segment four digit display controlled by two 74HC595.The LEDs are connected in the common cathode configuration; this module is useful in electronic a...
4 Digits 7 Segments CC Display Module with 74HC595
735
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Monitor for equal voltage at the terminals of two 12V batteries.Circuit presentation Most 24V back-up power systems, such as fireplaces, etc., use two 12V batteries. The charging system of the voltage...
Monitor for 12V batteries
733
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
I think most of us use a suorce of light when we can`t anything around us, so I present a small circuit and also it can be used for a funny project. I have modified the author`s schematic because I wa...
Fade LED When Dark
733
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Info:A very useful tool that equips Hi-Fi amplifiers is known as the VU-meter. With its help, the saturation input thresholds can be detected, the powers on the two stereo channels can be equalized, t...
Pocket VU-Meter
729
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
PWM mosfet driver breakout for LED lights
mosfet driver
719
0
0
Florin Uifelean
Florin Uifelean
ROMANIA
0
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
700
0
2
Georgel zvonacfirst
Georgel zvonacfirst
ROMANIA
3
0
WS2811 / WS2812 Expander
WS2811 / WS2812 Expander
639
0
0
Engineer
Engineer
ROMANIA
0
0
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
42
14
prototype v1 for bm1387b
bm1387b-v1
594
0
2
Gabriel Breahna
Gabriel Breahna
ROMANIA
0
0
Using this electronic circuit, a very simple pulse generator can be made, using a 4066 circuit.This pulse generator allows the regulation of the "high" and "low" states of the output signal. (J1).The ...
Pulse generator
585
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
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
I present a circuit from an older electronic magazine, but maybe quite popular for some older people.Attached to a car, in the vicinity of storage systems or warehouses, agricultural farms or animal h...
Anti-Freeze (Detector)
538
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Simple but fancy ESP32-C3 Development Board.Also features a WS2812B 2020 RGB LED linked to IO8 pin.Breadboard compatible.Made with 0805 (and higher) components for easier hand soldering.I placed the "...
ESP32-C3 DevBoard
531
0
1
Marius M
Marius M
ROMANIA
12
20
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