Unijunction metronome


Posted on Oct 30, 2012

The UJT-oscillator frequency is determined by the 100 µ¥ capacitor and the effective resistance of the 22 and 470 resistors and the potentiometer. Rate can be varied from 42 to 208 beats/minute.


Unijunction metronome
Click here to download the full size of the above Circuit.

The circuit should be housed in an insulated box for safety, or use ground (3-wire cord).




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Stroboscope with 555 timer
Dual-limit-microvolt-comparator
Pulse-width-lamp-brightness-controller
Crystal oscillator simulation
Adjustable Regulated Power Supply 0-15V
usb to rs232 converter using ft232
Fluid Level Sensor
capacity Computing Current from known Capacitance and Time to Charge to Known Voltage
fet audio mixer circuit
Audio Level Meter
Cheap surround sound system circuit diagram
h bridge driver circuit
Adding sync pulses to the video signal
555 tri-state acousto-optical logic circuit
The driver alcohol detection alarm controller circuit diagram
Capacitive load drive circuit diagram of the MAX4100 4101



Top