amplifier+cooling+fan+circuitry

This DC power supply circuit uses a LM338 adjustable 3 terminal regulator to supply a current of up to 5A over a variable output voltage of 2V to 25V DC. It will come in handy to power up many electronic circuits when you are assembling or building any electronic devices. The schematic and parts list [...]

Read More

This circuit is intended to show a general solution for implementation a low cost ADC and a 2-way multiplexed LCD using COP840C 8-bit microcontroller. The implementation is demonstrated by means of a digital personal scale. Details and function of the weight sensor itself are not covered in this article. Also the algorithms used to calculate [...]

Read More

Parameter Name Value Family PIC32MX3xx Max Speed MHz 40 Program Memory Size (KB) 32 RAM (KB) 8 DMA Channels 0 SPITM 2 I2CTM Compatible 2 A/D channels 16 Max A/D Sample Rate 714 Input Capture 5 Output Compare/Std. PWM 5 16-bit Digital Timers 5 Parallel Port PMP Comparators 2 Internal Oscillator 8 MHz, 32 kHz [...]

Read More

LM317 Variable Power Supply Regulator A circuit is timeless. LM317 regulator is a versatile and highly efficient 1.2-37V voltage can provide up to 1.5 Amps. of current with a large heat sink. It is ideal for almost any application. This was my first power source workbench and I still use it. Since LM317 is protected [...]

Read More

This circuit of a remote control unit which makes use of the radio frequency signals to control various electrical appliances. This remote control unit has 4 channels which can be easily extended to 12. This circuit differs from similar circuits in view of its simplicity and a totally different concept of generating the control signals. [...]

Read More