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Archive for the ‘Basic’ category

Low cost Remote Control

27 January 2014 - Basic, Projects - Hypsine Electronics - No Comments

R Remote Control for controlling home appliances can be easily made using Decade Counter CD4017, 555 Timer and TSOP1738 infrared receiver. By using this circuit you can easily control your home appliances using your TV, DVD Player remote control or using a remote control circuit described here. 2nd and 1st pins of TSOP1738 are used […]

Wireless Transmitter and Receiver using ASK RF Module

17 January 2014 - Basic, Projects - Hypsine Electronics - No Comments

A wireless radio frequency (RF) transmitter and receiver can be easily made using HT12D Decoder, HT12E Encoder and ASK RF Module. Wireless transmission can be done by using 433Mhz or 315MHz ASK RF Transmitter and Receiver modules. In these modules digital data is represented by different amplitudes of the carrier wave, hence this modulation is […]

USB Sound Card

17 January 2014 - Basic, Projects - Hypsine Electronics - No Comments

Designing and building a USB sound card is no longer a head ache because we have got the PCM 2702 integrated circuit from Texas Instruments. The PCM2702 is an integrated 16 bit digital to analog converter that has two digital to analog output channels. The integrated interface controller of PCM2702 is compliant to the USB […]

Switching Regulator

7 January 2014 - Basic, Projects - Hypsine Electronics - No Comments

L296 is a high current switching regulator that can provide up to 4 ampere current and its output voltage range is from 5.1v to 50v. For more information concern its datasheet. Power supply current can be adjust by changing the value of P1 pot. P2 and P3 pots are used to vary the output voltage. […]

Guard Circuit

21 October 2013 - Basic, Projects - Hypsine Electronics - No Comments

This guard circuit uses operational amplifier µA741 and a light-dependent resistor (LDR). Operational amplifier µA741 is used as a sensitive voltage comparator. Preset VR1 provides reference voltage to the non-inverting terminal (pin 3) of µA741. LDR1 and resistor R1 are connected to inverting pin 2 of IC1. LED1 and LDR1 are installed at opposite sides […]

Car battery tester

11 September 2013 - Basic, Projects - Hypsine Electronics - No Comments

  This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has a built in voltage regulator) and can be powered from almost every source. This circuit is very easy to explain: When the test button is pressed, the Car battery voltage […]

Light switch

11 September 2013 - Basic, Projects - Hypsine Electronics - No Comments

General Description This project will let you make a switch that will be activated by light falling on a sensor. It is a very useful device and can be used in automatism’s, security systems, counters, remote controls etc. It is very sensitive, fast acting and reliable. The circuit uses a Light Dependent Resistor (LDR) as […]

Chaser

11 September 2013 - Basic, Projects - Hypsine Electronics - No Comments

This schematic is my version of a simple 10 LED chaser. There is no 555 timer used because at my local electronics store they are over $4 Cdn. Instead, an oscillator made up of two sections of a 4011 NAND gate is employed. This chip is very inexpensive and extremely common. Circuit diagram Parts: R1 […]

Calling Detector

11 September 2013 - Basic, Projects - Hypsine Electronics - No Comments

Flashes a LED when detecting an incoming call Powered by one 1.5V cell                                                  Circuit diagram Parts: R1 100K 1/4W Resistor R2 3K9 1/4W Resistor R3 1M 1/4W Resistor C1,C2 100nF 63V […]

7 Segment LED Counter

11 September 2013 - Basic, Projects - Hypsine Electronics - No Comments

his simple counter can be used to count pulses, as the basis for a customer counter (like you see at the doors of some stores), or for anything else that may be counted. The circuit accepts any TTL compatible logic signal, and can be expanded easily (see Notes). Circuit diagram 7 Segment Display Reference Parts: […]