Make Auto-Fan, 741 automatic temperature control – More circuit Temperature Control
Posts tagged 741
Indicator led circuit for human error
Icator led circuit for human error Indicator led circuit diagram for human error rate prediction power supply using 741 Power supply short-circuit and open-circuit protection LED Current Error
Ac dc Bench power supply using STR W5753A
Ac dc Bench power supply using STR W5753A
Protector Battery Charger Circuit
Protector Battery Charger Circuits Diagram using LM317T, BC548, 1N4004, 1N4148
Make mixer and a mic pre amp used tr BC177 or BC558
Make mixer and a mic pre amp used tr BC177 or BC558 This is the schematics of a simple low cost mic mixer that can be assembled from the components in your junk box. This two channel mike mixer is designed for handling high impedance dynamic microphones. Transistor Q1 can be any general purpose pnp […]
Audio systems
7.5w Audio systems Circuit using AN7108 R1,4 …….. 330 ohm R2,5 …….. 5K6 R3,6 …….. 180K VR ………. 5K C1,3,5,7 …. 1nF C2,6 …….. 10uF/10V C4,8 …….. 22nF C9 ………. 100uF/10V C10,11,15 … 47uF/10V C16,17 …… 22nF IC1 ……… AN7108 7.5w Audio systems Circuit using AN7108
