September 2008

3 transistors are used (bc548) supply voltage is 9 volts 455kHz RF signal is produced with ceramic crystal. Description of the circuit The 455kHz Modulated Oscillator generates an amplitude modulated..

Another example with LM3914 is sound level, water level and voltage level can be used in many applications. Sensor Used for Alcohol level measurement MG-3 The level is observed with..

You can use the LC meter circuit to measure the coil and capacitor values made with the PIC16F628 microcontroller. High precision Digital LC Meter A handy do-it-yourself test equipment –..

The circuit is fed with 9 volt batteries based on 2 tl072 op-amps. If desired, it can be used with a 15 volt DC Adapter on the DC rectification and..

We usually see the LM3914 integrated in vu-meter circuits. In this application, it is not different. In addition to the control layer designed to monitor the water tank level with..

A multi-purpose control circuit Low pass, High pass, Filter stages between 30..200khz Parametric equalizer stage There are frequency, level, boost controls, and there is also an electronic switch circuit that..

The programming circuit can program PIC30F series dspic and other classic pic microcontrollers. The software used is Win Pic Programmer computer connection, supply voltage max. 16 volts dc via serial..

Headphones are not connected to the amplifier audio outputs, loud sound damages the headphones. A two-channel circuit designed to connect headphones to the high outputs, in addition to the circuit..

In the timer circuit, there are buzzer and audible warning section and relay outputs for control after timing. The supply voltage is 12 volts dc. It is fed through the..

Microcontroller used in the circuit pic16f88 description circuit diagram, asm hex codes pcb file. It can provide 10 amperes of charging current. It can be used to charge 60A batteries,..