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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
I needed an CH340C programmer with some extra pins exposed (RST / CST) and because I didn't find one, I decided to build one. :)I wanted to keep it as small as possible, I chose to use 0603 resistors ...
CH340C programmer [extra pins exposed]
449
0
1
Marius M
Marius M
ROMANIA
11
20
ATtiny85 / 13 programmer that can be mounted on Arduino UNO, with an led on PB3.Take this board, place in onto the top of an Arduino Uno MATCHING THE PINS, upload the Arduino as ISP sketch, then place...
ATtiny85 / 13 programmer -> adapter for Arduino UNO
395
0
0
Marius M
Marius M
ROMANIA
11
20
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
759
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Among 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 very useful for powering variou...
Adjustable voltage power supply
1826
0
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
The simplest pcb for TEF6686 Arduino Radio controlled with TEF-GTK user interface.Software here: https://github.com/marsel90-1/NXP-TEF6686_F8602_F8605-Arduino-Radio
PCB for TEF6686 and TEF-GTK
2924
0
0
Marsel90
Marsel90
ROMANIA
0
0
WS2811 / WS2812 Expander
WS2811 / WS2812 Expander
628
0
0
Engineer
Engineer
ROMANIA
0
0
Circuit presentationDouble voltage source + 15V / -15V and + 5V / -5V stabilizedThis circuit offers a set of two double voltages, at a maximum current of 1A. The 7815 and 7915 integrated circuits can ...
Double voltage source
1434
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1509
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
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
968
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1337
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
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
1088
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Hello! I made this platform for me, you can use it with an ATMega8 or ATMega328 microcontroller, or any compatible microcontroller. I made a simpler version, giving up the programming circuit via USB ...
Programmable Board with ATMega
1482
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
Circuit OperationShort SW2 presses cycle through displaying the current time in HH:MM and MM:SS format as well as the 12/24-hour display format option. A short SW1 press while on the 12/24-hour displa...
Digital Clock with AT89C2051
4432
0
3
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
1862
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
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
1869
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
42
14
PWM mosfet driver breakout for LED lights
mosfet driver
708
0
0
Florin Uifelean
Florin Uifelean
ROMANIA
0
0
1
2
3
4
5
6