This is the simple and low cost AM transmitter schematic diagram built using transistor BC109C. The circuit is in two…
This is the circuit diagram of beeper sound. The circuit will generate the sound of a beeper which similar with…
Here the circuit diagram of 25 watt Hi-Fi (high fidelity) audio amplifier that build based on single power amplifier IC…
This is a simple, well designed 1.5 Watt FM Transmitter circuit using power transistor 2N2219A. This circuit should be able…
This is the circuit diagram of mic condenser amplifier. The low-cost and compact mic condenser audio amplifier described right here…
This is a high quality 65W power amplifier circuit based HEXFET IRF9540 and IRF540. The circuit is quite simple for…
This is the circuit diagram of sound effects generator. All sounds in this circuit are generated by HT2884. The HT2884…
The following scheme diagram is the circuit diagram of Lead-Acid battery charger. This circuit provides an initial voltage of 2.5…
This is the circuit of LED color fade effect. Just like the name of the circuit, the light intensity of…
This is the schematic diagram of sound activated light or lamp. The lamp or light will be turned on while…