Solid State Relay
This is the circuit diagram of solid state relay. In reality, it is not a relay after all. There's no…
LEDs Temperature Indicator
A well-known IC LM35 is chosen to be the temperature sensor in this circuit. Output voltage of LM35 will increase…
12V Lead-Acid Battery Monitor
This easy circuit makes it possible to monitor the charging process to a higher level. Final adjustsments are simple and…
Automatic 9V Battery Charger
This is the scheme diagram of automatic 9V battery charger circuit, the parts list provided below the schematic image. The…
Mesa Boogie Dual Rectifier
The following diagram is Mesa Boogie dual rectifier solo head schematic diagram. This is a tubed pre-amp and tubed amplifier…
Motion Filter Effect
This motion filter effect circuit will controls the initial frequency and controls how much the envelope follower responds to the…
Sensitive FM Transmitter
Simple and easy build of sensitive FM transmitter circuit. The circuit only requires 2 transistors to work. *L1 = 0.1…
Jimi Hendrix Fuzz Face Pedal JH-2
The following diagram is the Jimi Hendrix Fuzz Face Pedal JH-2 circuit diagram. Schematic by Jim Dunlop Note: Q1 &…
Dallas Arbiter Fuzz Face
This is the circuit diagram of Fuzz Face mods, guitar effect pedal. This is a modified diagram and simpler than…