This is a DC motor controller circuit, built using transistor TIP31 based on H-Bridge concept. The switch S1 and S2…
This diagram is a schematic diagram of RF amplifier circuit. The circuit will amplify the RF signal about 10 times,…
Powered with solar panel, the circuit will give you 5V pure regulated DC voltage. This solar cell power supply circuit…
This is a very easy build, simple metal detector circuit, built based on a CS209A IC. The circuit will give…
The following circuit is a simple, cheap and easy build motorcycle alarm. The circuit just required 2 transistors to drive…
This is the diagram od electro-harmonix graphic equalizer. You can specify the number of channels according to your needs. You…
This circuit generates 3 source regulated voltages applying a minimum of electronic parts. The output DC voltage are +12V ;…
This is a really simple sound effect generator based single sound generator chip UM3561. The UM3561 will generate four kinds…
This is the electro harmonix fuzz-wah guitar effect pedal circuit diagram. Circuit Notes: Q1 & Q2 are 2n3565 Fuzz bypass…
This is the schematic diagram of Electro-Harmonix Small Stone Phaser guitar effect pedal. The Small Stone is somewhat special in…