ne 555 flasher circuit

ne 555 flasher circuit

free circuits
simple electronic circuits
school project circuit diagrams
engineering project circuit diagrams

Alternating Flasher Circuit Diagram

Hobby Electronics Projects and Circuits

Alternating Flasher Circuit Diagram

Computer Classes in India 

simple light sensor relay circuit

simple light sensor relay circuit

simple circuits collections
electronic hobby projects

school projects

electronics items india

electronic sircuites
relay circuits
photo diaode circuits
sarkutes

Connect Arduino with a motor using a transistor

Connect Arduino with a motor using a transistor

connect arduino pin 9 to motor - through 2N2222 transistor

arduino hobby circuits

RF 315/433 MHz Transmitter receiver module specifications

 RF 315/433 MHz Transmitter  Specifications

Working voltage: 3V - 12V  fo max. power use 12V
Working current: max  Less than 40mA max , and min 9mA
Resonance mode: (SAW)
Modulation mode: ASK
Working frequency: Eve 315MHz  Or  433MHz
Transmission power: 25mW (315MHz at 12V)
Frequency error: +150kHz (max)
Velocity :  less than 10Kbps


 RF 315/433 MHz Receiver Specifications

 
Working voltage: 5.0VDC +0.5V
Working current:≤5.5mA max
Working method: OOK/ASK
Working frequency: 315MHz-433.92MHz
Bandwidth: 2MHz
Sensitivity: excel –100dBm (50Ω)
Transmitting velocity: <9 -95dbm="" .6kbps="" 315mhz="" and="" at="" p="">

bc 547 bc 557 transistor amplifier circuit

BC 547 BC 557 transistor amplifier circuit - you may refer BC 547 and BC 557 transistor PIN Configurations in the related posts region

Transistors used

BC 547 and BC 557

Resistors

• 10K - 2
• 1K - 1
• 1M - 1
• 100 ohm - 1

Capacitors 

• 100 nanoF - 2
• 10 microF - 1

 

xmas star circuit gradual increase and decrease in brightness with NE555

xmas star circuit with NE555

with gradual increase and decrease in brightness

IC : NE555

http://electronic-hobby-circuits.blogspot.com/

RS232 to TTL Converter circuit

RS232 to TTL Converter circuit

TTL serial (transistor-transistor logic) 

with 2N3904 and 2N3906 PNP transistors

 http://electronic-hobby-circuits.blogspot.com/

simple FM transmitter circuit

simple FM transmitter circuit for Hobby projects

Q1 and Q2 : any NPN transmitter

telephone ring indicator sensor circuit

telephone ring indicator sensor circuit diagrams

more at http://electronic-hobby-circuits.blogspot.com/

NAND gate symbols and truth table

NAND gate symbols and truth table free

more http://electronic-hobby-circuits.blogspot.com/

low power audio amplifier circuit

low power audio amplifier circuit

LM 386 circuits 

for more circuits, http://electronic-hobby-circuits.blogspot.com/

low cost door bell circuit diagram

low cost door bell circuit diagram

stay updated with new hobby circuits every week

low cost calling bell circuit diagram
 

220v to power LED bulb

220v to power LED bulb

Circuit to connect an LED bulb to 230 volts mains

please be careful while playing with main supply

20KV generator from 12V DC Supply circuit diagram

20KV generator from 12V DC Supply circuit diagram and parts list

IC Used : NE 555

TR : BD 679

All other parts are listed in image

high volt supply

high voltage generator from 12V Battery

Simple electronic fuse circuit diagram

Simple electronic fuse circuit diagramSimple electronic fuse circuit diagramSimple electronic fuse circuit diagramSimple electronic fuse circuit diagram

2N3055 Circuits
TYN612 Circuits

hobby circuits

diagrams

students circuits

exam projects

electric circuits

Simple electronic fuse circuit diagram

How to use electronic Breadbords

Breadbords advantages Breadbords trining videos

Simple rain alarm circuit with ne555

rain alarm circuit ne555

NE 555 Circuits
Alarm sensor rain circuits
Simple Circuits
Simple NE 555 Circuits
Low cost rain alarm circuits
School projects alarm circuits