Projects

Articles
Title
Listening Through the Walls with a Nail Microphone (ART365E)
Ultra Simple Metal Detector (ART360E)
Magic Lamp (ART359E)
Electronic Bell (ART358E)
Counter up to 99 (ART357E)
Light Controlled Motor (ART356E)
AM 4093 Lightning Detector: accident prevention through electronic alternatives in a local scale
Timed Tone Actuator (ART352E)
High Power Tone Actuador (ART351E)
Audio Tone Actuator (ART350E)
Seismic Alarm (ART346E)
8-Channel Digital Remote Control (ART345E)
Dancing Mobile - For beginners and STEMers (ART324E)
MAX17290 and MAX17292 PWM Controllers with Low Current of Shutdown (ART331E)
Ecconomic Bargraph (ART329E)
Under or Overvoltage Detector (ART328E)
Simple Transformerless Power Supply (3 to 12 V x 20 mA) (ART327E)
One Transistor Fixed Power Supply 6/9/12 V x 500 mA or 1 A (ART326E)
Coded Lock - For Beginners and STEMers (ART325E)
Binary Counter up to 99 (ART323E)
Simple Emergency Lighting (ART322E)
Presence Alarm (ART321E)
1.2 to 24 V x 3 A power supply using the LM350 (ART319E)
Care using SCRs with inductive loads (ART318E)
High-Power Dimmer (ART317E)
High Power AC Switch (ART316E)
Triggering SCRs (ART315S)
Touch Switch Using a SCR (ART314E)
Delayed Turn-On Switch With SCR (ART313E)
Constant Current Sources (ART312E)

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