PROJECTS IN PICTURES
PROJECTS
Until recently, the Philips SAA1064 LED driver IC has been a sort of unofficial standard for driving seven-segment LED displays. It can be used to implement four-digit displays that can be driven over an I2C bus. However, no matter how it’s packaged (DIL24 or SO24) this... Read more
- Amplifier Circuit Diagrams
- 555 Timer Ic
- Battery Circuit Diagrams
- Remote Circuit Diagrams
- Oscillators Circuit Diagrams
- Power Supplies
Related Tutorials
Circuit Diagram Of High Power Audio Amplifier
In this tutorial “Circuit Diagram Of High Power Audio Amplifier” you will how to make an audio amplifier which you can utilize with any of... Read more
TDA7293 : High Power 120V/100W Amplifier Circuit Diagram
TDA7293 is an integrated monolithic Multiwatt15 package designed for audio amplifying purpose. It is being used in hi-fi application fields like self-... Read more
LA4440 IC Amplifier Circuit Diagram
LA4440 or 4440 is a dual channel audio amplifier IC. LA4440 is monolithic integrated circuit. The LA4440 IC amplifier circuit diagram is given in this... Read more
Scanner for Preamplifier
The scanner is an extension for 0 1 1 the ‘All-solid-state preamplifier’ published in Elektor Electronics* As its name implies, it scans a... Read more
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Diagram of Metal Detector Project in PDF
The operation of metal detectors is based upon the principles of electromagnetic induction. Metal detectors contain one or more inductor coils that ar... Read more
Simple DC to DC converter using 555 IC Timer
To keep the DC to DC converter simple, it contains no preset controls, which means that the level of the output voltage is dependent to some degree on... Read more
LED indicator for temperature logger
The measurement card for the indoor or outdoor thermometer* may be provided with the additional LED indicator shown in the diagram to check the operat... Read more
Bedside light timer
Many young children will insist on keeping the bedside light on for a couple of minutes after the storybook has been closed and father or mother has g... Read more
Related Tutorials
High Current Lead Acid Battery Charger Circuit
This charger for high power circuit lead Acid battery can be used in the range of 100 to 200 AH. Design is technically perfect and automatically switc... Read more
2764 EPROM emulator
The emulator enables a Type 2764 EPROM in an existing circuit to be replaced by a static RAM. It is a very compact circuit: together with Hie stand-by... Read more
Experimental fast NiCd charger
The continuing difficulty in designing fast NiCd chargers is determining when the battery is charged, that is when to stop charging. The charger prese... Read more
State of battery indicator
Many battery-operated appliances have an LED indicator that shows the state of the battery. If the battery is almost flat, the LED flickers. The circu... Read more
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Infrared signal repeater circuit diagram
Purpose of Infrared signal repeater: The infrared signal repeater is intended to extend the operating range of a standard Infra-red (IR) remote contro... Read more
REF200 from Burr-Brown
Burr-Brown’s REF200 provides in independent 8-pin DIL package two independent current sources, either of which can supply 100 NA and a 1:1 curre... Read more
Joystick converter game control adapter (GCA) for PCs
Although frowned upon by many as addictive and devoid of educational value, a computer game can be great fun to play. This little circuit allows you t... Read more
Copying with AV recorders
Cassette recorders like ITT’s SL537assette AV or SL837 AV, used by tape-slide producers. have a four-track head. A pulse circuit is connected to... Read more
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Repeating Pulse Generator
The circuit uses one of the four bilateral switches contained in the CD4066, and is a kind of astable multi-vibrator. The main limitations of the circ... Read more
Compact RS232 isoltaer
Compact RS232 isoltaer: The MAX252 from Maxim is a special IC for designing an electrically isolated RS232 connection. Such links are particularly imp... Read more
Miniature crystal oscillator
Miniature crystal oscillator: Nowadays, with the advent of SMT (surface mount technology), it is possible to construct tiny circuits. In the case of c... Read more
Digital pattern generator
Digital pattern generator: During the construction and testing of digital circuits, there is often a need for an accurately defined bit pattern. The g... Read more
Related Tutorials
Circuit Diagram Of Smps Power Supply
What is Power Supply? Power-supply is an electronic circuit that is used for the purpose of providing the electrical-power to appliances or loads such... Read more
BD135 Transistor -Medium Power Silicon NPN Transistor
BD135 transistor is a bi-polar, medium-power, plastic nPn transistor made up of silicon. It is used in a wide range of electronic equipment especially... Read more
High Current Battery Charger Circuit
High current battery charger circuit is used to charge lead acid batteries of high current value upto 200AV. The charger is automatic so when the batt... Read more
Solar Cell Power Supply System Circuit Diagram
The simplest solar cell power supply system consists of three parts; a diode, a solar cell panel and a rechargeable battery. The diode prevents the ba... Read more
