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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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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
1302
3
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
You can made a super radio with TEF6686 tuner (it used in car radio).You can see more details at http://nicuflorica.blogspot.com/search?q=tef6686
Minimal TEF6686 radio
6549
1
3
Florica Tudor-Nicusor
Florica Tudor-Nicusor
ROMANIA
19
2
Here's a clever circuit using two 555's to produce a set of traffic lights for a model layout. The animation shows the lighting sequence and this follows the Australian-standard. The red LED has an eq...
Traffic Lights Circuit using NE555
3527
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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I present to you a circuit which is a little outdated, but quite pleasant for some, I saw that this LM3909 is still found and I said to draw a pcb.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
1282
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
1297
2
4
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
I present a circuit with LED game for beginners, it is made with NE555 and 74hc164; components very easy to obtain. The circuit can be powered by 6-9V; the leds light up one by one from 1 to 8 and the...
LEDs Sequential Turn Light AUDI Style
1648
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
I drew this circuit out of the need to reduce the number of connections to the Arduino platform, it uses 2 shift registers 74HC595 together with 8 current limiting resistors. It can be seen as an alte...
8x8 LED Matrix Circuit using 74HC595
1991
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
1289
2
3
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
1296
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
Hello !On the internet we can find many schemes very similar to this one. This circuit is made for a DIY builder, I left enough room for a heat sink. for the filter capacitor; I used 4 rectifier diode...
Small Power Supply with LM317
917
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
This project is for a person who likes to build electronics circuits, obviously we can find other solutions for charging a 3.7V battery, much more cheaper and also using SMD components, which means th...
LM358 3.7 Battery Charger
1728
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
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
43
14
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
2267
0
4
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
43
14
You can made a super radio with TEF6686 tuner (it used in car radio).You can see more details at http://nicuflorica.blogspot.com/search?q=tef6686PS: I updated Gerber files in 5-July-2020....PS2: see h...
RDS radio with TEF6686
6804
1
5
Florica Tudor-Nicusor
Florica Tudor-Nicusor
ROMANIA
19
2
This is a tiny electric violin powered by an 3V CR1220 battery and controlled by an ATtiny85 microcontroller. It uses a piezoelectric buzzer to make sounds when the four strings are touched. It does t...
Mini Violin Badge
1539
4
5
Constantin Craciun
Constantin Craciun
ROMANIA
3
0
TvG Kart Data Logger v4.0Here is a video showing some of the functionality of my project. https://www.youtube.com/watch?v=DxGiBHLMiP4The Gerber file is for all 4 boards. The render is not showing for ...
TvG KDL v4.0
4881
6
9
Pintea Mihaita
Pintea Mihaita
ROMANIA
28
26
1
2
3
4
5
6
7
8