SH-841 ASIC holiday lights

Posted on Dec 11, 2010

Figure 2-78 is SH-841 as the core device made holiday lights controller. By SCR VSl ~ VS4 to drive light string H1 ~ H4 flashes. Manifold operating voltage by AC by VD1-VD4 bri

SH-841 ASIC holiday lights
Click here to download the full size of the above Circuit.

dge rectifier, Rl buck, VD5 filter regulator and C2 obtained. Manifold 2 feet of the music signal output by the amplifying transistor VT to drive the piezoelectric ceramic sheet B made sound. Adjustment potentiometer RP can control the sound volume.

Leave Comment

characters left:

New Circuits



Popular Circuits

serial LCD interface for PIC
High-frequency crystal oscillator
Discuss simply the intermediate frequency power zero pressure of the triode thyristor is started
ir control
Simple receiver with microvolt sensitivity
Parallel Port Stepper Motor Driver With Discrete Components
Miniature Vacuum Tube Tesla Coil
Circuit RF Amplifier
Pro Co Rat Input & Output Buffers Guitar
Force Sensitive Resistor Round 0.5 Retail
Enhanced AE1169 made lock circuit diagram