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Power Line Carrier Communication (PLCC) using KQ-130F / KQ-330 and Arduino

February 12, 2026

AC 110v-220v Projects arduino Communication Circuits Power Line Communication

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How to add more channels to your oscilloscope / Multiplexer for Oscilloscope

February 02, 2026

Oscilloscope Testing Circuits

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Educational Logic Gate Training kit without IC

January 11, 2026

Electronics Learning Logic Gate PCBWay

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Active / Ideal Full Bridge Rectifier

December 15, 2025

AC 110v-220v Projects Power consumption optimization Power supply and converter

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Tester for Touch Screen Digitizer without using microcontroller

November 19, 2025

LED projects Testing Circuits Touch switch

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Voltage regulator with high input voltage using LR8

November 12, 2025

AC 110v-220v Projects Power supply and converter

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DC UPS for router and printer

October 29, 2025

AC 110v-220v Projects UPS

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1-Phase Inverters8
3-Phase Inverters2
7-Segment Circuits18
AC 110v-220v Projects62
arduino41
ATS / Changeover2
Bluetooth1
Capacitor Tester2
circuits104
Color Sensor3

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Popular Posts

How to program and install LED Billboard

In following video you can see how to program and install LED Billboard with WiFi and HDMI input. Parts list: P2.5 LED module 32cm x 16cm Receiving card R712 Multimedia player HD-A4L Power Supply 5V 40A Connecting wire Software : https://www.hdwell.com/Download/index_100000010736467.html Watch this Video for more Details:

Power Line Carrier Communication (PLCC) using KQ-130F / KQ-330 and Arduino

Here we have 4 different projects about Power line carrier communication (PLCC) using KQ-130F / KQ-330 module and Arduino. Parts list: Arduino Mega (you can use NANO or UNO) Power line carrier communication module KQ-130F / KQ-330 (2pcs) FTDI (USB to TTL serial converter) LCD 16X2 with I2C Power Supply 5V 1A Capacitor 1000uF 16V (2pcs) Capacitor 100nF (2pcs) Capacitor 220nF 400V (4pcs) Resistor 1K (5pcs) RED LED Green LED Blue LED Yellow LED White LED Buzzer Common mode choke (2pcs) Solid state relay module 5V 1 channel PLCC Module: There are 3 different types of this module KQ-130K: Maximum carrier rate up to 1200 BPS (AC & DC power line) KQ-130E: Maximum carrier rate up to 400 BPS (AC & DC power line) KQ-130F: Standard carrier rate is 100 BPS (only AC power line) TX goes to RX of the microcontroller RX goes to TX of the microcontroller Filtering C...

Arduino 3-phase Inverter 12V to 380V

This is a simple 3-phase Inverter using Arduino to convert 12V DC into 380V AC. It has 3 push button: 1-Forward 2-Reverse 3-Stop (turn OFF) Forward and Reverse buttons used when the load is motor by swapping two phases. Output waveform is square wave and maximum power depends on the size of the transformers and MOSFETs. Parts list: Arduino (UNO or MEGA) IC 7805 LCD Display 16x2 with I2C Transformer center taped 9V-0-9V / 220V (3pcs) MOSFET IRFZ44n (6pcs) Optocoupler PC817 (6pcs) Resistor 91K Resistor 10K (7pcs) Resistor 300 ohm (6pcs) Resistor 1K (6pcs) Capacitor 1000uF 16v (2pcs) Capacitor 100nF (2pcs) Heatsink for MOSFETs (6pcs) 12V Battery Battery connecting cable Circuit: If you want to use Arduino UNO instead of Arduino MEGA, you have to connect the pin A4 of the Arduino UNO to SDA of the LCD and pin A5 of the Arduino UNO to SCL of the LCD, Rest of the ...

Battery balancer / Equalizer for 12V Batteries

This circuit is a Battery balancer / Equalizer for 12V Batteries (24V battery bank) You can download the Gerber file of this PCB from here: https://www.pcbway.com/project/shareproject/Battery_Equalizer___Battery_Balancer_for_12V_batteries__24V_battery_bank_.html Parts list: IC LM324 Mosfet IRFZ44n (2pcs) Diode 1N4007 (2pcs) LED (2pcs) Zener diode 11V Resistor 1M (2pcs) Resistor 20K (3pcs) Resistor 51 ohm (2pcs) Resistor 100K (2pcs) Resistor 3K (2pcs) Resistor 2K (2pcs) Resistor 1.2K (2pcs) Resistor 10K (2pcs) Resistor 5 ohm 50W (2pcs) Metal enclosure Circuit: Note: Its better to using resistors with 1% tolerance for voltage dividers & voltage references Watch this Video for more Details:

Frequency Divider and Frequency Multiplier Circuit

This circuit is a Frequency Divider and Frequency Multiplier by using IC 4017 and IC 4046 (PLL). The output waveform will be square wave only (used for digital signals) and the max. output frequency is 1Mhz. Parts list: IC 4017 (2pcs) IC 4046 Dip x10 switch (2pcs) Toggle switch with 6 pins IC Socket for 16pin IC (3pcs) Resistor 470 ohm Resistor 1.5K Resistor 47K Capacitor 100nF Capacitor 100pF Capacitor 220uF Capacitor 2.2uF Screw terminal 2P (3pcs) Circuit: Watch this Video for more Details:

Using ultrasonic sensor without arduino

Using ultrasonic sensor without arduino Parts list: IC 555 IC KA2284 LED(5pcs) Ultrasonic receiver & transmitter Resistor 1K Resistor 2.2K Resistor 10K Resistor 100 ohm Potentiometer 10K (2pcs) Capacitor 10uF (4pcs) Capacitor 3.3nF Transistor 2N2222 Buzzer Circuit: There are 2 ways to using Ultrasonic sensor without microcontroller: First way, the buzzer turns ON when you put your hand near the sensor Second way the LED bar show you the distance level between the sensor and the objects. Watch this Video for more Details:

LED Driver Circuit 220V Using ICL1103 / RM9003A

This is a 220V constant current LED driver circuit using IC RM9003 (or ICL1103). Parts list: IC RM9003 (Or ICL1103) Bridge rectifier MB10S Capacitor 4.7uF 400V (Optional) Resistor (calculate the value by formula) Circuit: You can connect a 4.7uF 400V Capacitor to the output of the bridge rectifier (Optional). You can download the Gerber file of this PCB from PCBWay: https://www.pcbway.com/project/shareproject/220V_LED_Driver_7c8da267.html Watch this Video for more Details:

DIY 3 phase inverter without microcontroller

This is a DIY 3 phase inverter without using any microcontroller. It convert 12V DC into 220V/380V AC. Efficiency was almost 69% Output waveform is Square wave. Parts list: IC 4017 IC 555 IC 4049 IC 7809 MOSFET IRFZ44N (6pcs) Diode 1N4148 (9pcs) Capacitor 680uF 16V or 35V (2pcs) Capacitor 100nF (4pcs) Resistor 30K for 50Hz or 24K for 60Hz Resistor 10K (7pcs) Resistor 100 ohm (6pcs) Resistor 1K (3pcs) Toggle switch 6pin ON-ON Car fuse 50A (depends on the max. load) Transformer center tap 9-0-9 to 220 (3pcs) IC socket 8 DIP IC socket 16 DIP (2pcs) Heatsink for Mosfet (6pcs) 12V Battery cable/connector Circuit: For 24V battery, the capacitors must be 35V instead of 16V and the transformers must be 18V instead of 9V. You can download the Gerber file of the PCB from PCBWay https://www.pcbway.com/project/shareproject/DIY_3_phase_inverter_without_microcontroller_e4c7cfde.html Watch this Video for more Details:

How to add more channels to your oscilloscope / Multiplexer for Oscilloscope

By using this electronic circuit you can convert a single channel oscilloscope into 4 channel oscilloscope using an analog Multiplexer. It works only for Analog Oscilloscope ! Maximum frequency tested was less than 100 KHz. Maximum input voltage must be less than the battery/supply voltage (9V), however by using a voltage divider (97X Attenuation) it is possible to connect it to the mains 3 phase 400V voltage. Parts list: IC NE555 IC CD4066 IC CD4017 Resistor 1K (2pcs) Resistor 510K (8pcs) Capacitor 1000uF 16V Capacitor 10uF (4pcs) Capacitor 100nF Capacitor 1nF Potentiometer 10K (8pcs) Potentiometer knob (8pcs) BNC Jack Female Connector PCB Mount (5pcs) Slide switch (4pcs) IC Socket 8 pin IC Socket 14 pin IC Socket 16 pin Battery 9V with holder Circuit: Watch this Video for more details:

Arduino inverter 12V to 220V with LCD Display

This is a simple inverter to convert 12V DC to 220V AC with LCD Display to show the battery voltage. It has low battery cut off voltage at 10.5V to protect the battery from over discharge. The output is square waveform and the maximum output power depends on the power of your transformer and also the MOSFETs and heatsink's size. Parts list: Arduino (UNO or MEGA) IC 7805 LCD Display 16x2 with I2C Transformer center taped 9V-0-9V / 220V MOSFET IRFZ44n (2pcs) Optocoupler PC817 (2pcs) Resistor 91K Resistor 10K (3pcs) Resistor 300 ohm (2pcs) Resistor 1K (3pcs) Capacitor 1000uF 16v (2pcs) Capacitor 100nF (2pcs) Heatsink for MOSFETs (2pcs) 12V Battery Battery connecting cable Circuit: If you want to use Arduino UNO instead of Arduino MEGA, you have to connect the pin A4 of the Arduino UNO to SDA of the LCD and pin A5 of the Arduino UNO to SCL of the LCD, Rest of the wir...

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