…a compact melody module can be constructed with only a few additional components. M66T Pin Assignment: Pin 1 (O/P) Melody Output Pin 2 (Vdd) Positive Power Supply Pin 3 (Vss)…
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Switched ON Bike Lamp
…to know your presence. Switched ON Bike Lamp circuit diagram: Component part list: R1 = Photo resistor (any type) R2 = 22K 1/2W Trimmer Cermet or Carbon type R3 =…
Simple Metal Detector based CS209A
…with a couple of tests outside, it appears the coil requires a Faraday Shield. Simple Metal Detector PCB Design Complete explanation including the circuit board and PCB overlay, visit: chemelec.com…
5V Regulated Solar Cell Power Supply
…time period to saturate the core of the transformer. This energy is then released as a high-voltage pulse. These pulses are then passed to the electrolytic and appear as a…
1000W Power Inverter
…The RFP50N06 Fets are rated at 50 Amps and 60 Volts. Heatsink is required for cooling the MOSFETs. You may add some MOSFETs with parallel connection to get more power….
Solar Powered Mobile Phone Battery Charger
…Schottky diode Q1 : 2N4403 , or equivalent Q2 : 2N4401 , or equivalent B1 : Ni-Cad battery, 6V with fuse Solar powered mobile phone battery charger circuit source: PowerSupply88.com…
Stereo Tube Amplifier 4 Watts
…a DC resistance approximate to 750 ohms could be substituted for R10. R10 will generate considerable heat, and care needs to be taken in its location. I applied a large…
1500W Power Amplifier
…output, then of course it will need power supply with high power output. This amplifier require dual output power supply 130V. Detailed explanation about this 1500W power amplifier, visit: sound.westhost.com…
Uninterruptible Power Supply with PIC17C43 Microcontroller
…only Transportability of Design Variable Loop Response Digital Filtering Parts and Complexity Reduction Peripheral Integration Ease of Interfacing Testability Time to Market Download the reference design of Uninterrupted Power Supply…
ATmega8535 Line Follower Robot
…for small and medium size or robot such as line follower robot and fire fighter robot. Motor Driver circuit with L298: Download the complete ATmega8535 line follower robot tutorial which…