Canary Bird Chirp Generator Circuit is fun and easy circuit, it make sound like real canary bird chirping and it works like audio oscillator to copy bird sound. In addition, toys, sound gadgets and DIY projects use this circuit to generate sound effects and, also, a 9 V battery powers the circuit, making it easy […]
Jet Engine Sound Generator Circuit using IC HT2844P
Jet Engine Sound Generator Circuit using IC HT2844P is fun learning project and it makes jet engine sound using simple parts. Furthermore, it uses IC HT2844P sound chip to make real jet noise which is good for model fans, school work or DIY fun; also circuit needs 3V power and keeps under 3.3V or else circuit […]
Subwoofer Low Pass Filter Circuit using Op-Amp TL062
Subwoofer Low Pass Filter Circuit using Op-Amp TL062 that let low sound go and block high sound, also this circuit is good for subwoofers which gives deep and strong bass. The circuit uses TL062 op-amp which is active for low pass type and it cut high sound and keep bass clean and loud. Also, STMicroelectronics […]
Simple 12V DC Fan Speed Controller Circuit
Simple 12V DC Fan Speed Controller Circuit is an useful project in electronics, it changes fan speed by adjusting the voltage; also, this post talks about fan speed controller using IC LM2941. LM2941 is low dropout voltage regulator and it handles up to 1A current and it is good for cooling, temperature control and automation […]
Electronic Game Scorer Circuit
To begin with, we call this circuit an Electronic Game Scorer Circuit because it uses a 555 timer IC, a 74LS192 counter, a 74LS247 decoder, and a 7-segment display. When player presses the button the circuit counts the score and each press increases the number on display, so it is easy to keep score in […]
Seven Segment Display Circuit: Datasheet, Pinouts And Working
A Seven Segment Display is a simple electronic display device that shows numbers from 0 to 9. Moreover, it contains seven LED segments arranged in the shape of the number “8,” and engineers name each segment from a to g. By turning ON different segments, it can display different numbers. LEDs make the display bright […]





