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Articles
Title
Levers and Grippers (MEC066E)
More About Relays – Relays in Shields (ART278E)
PWM control for DC motors up to 3 A (MEC073E)
Brush Robot MEC028 (MEC070E)
Reversing a Motor and Reducing the Speed (MEC059E)
Reversing and Stopping a Motor (MEC058E)
Delayed and Timed Relays in Mechatronics (MEC055E)
Reversing a DC Motor for a Few Seconds (MEC057E)
Holding Circuit (MEC056E)
Using Transistor to Load Control (MEC053E)
Control for Motors using a Relays (MEC052E)
Motor Control Using Complementary Transistors (MEC054E)
Series Parallel Switch For Motor Control (MEC051E)
Adding Inertia to a DC Motor (MEC050E)
Turning a Load On and Off with an SCR (MEC049E)
PWM Control Using the LM350 (MEC048E)
Anti phase PWM Control Using the 555 IC (MEC047E)
Anti-phase PWM Power Control Using the 555 IC (MEC046E)
Medium-Power PWM Using the 555 IC and a PNP Transistor (MEC045E)
Medium and High Power PWM Control Using the 555 IC (MEC044E)
Linear Power Control Using a Zener Diode (MEC043E)
Linear Control Using a Darlington Transistor (MEC042E)
Measuring the Torque of a Small Motor (MEC038E)
The Screw and the Jackscrew (MEC037E)
Adding Sound to DC Motors (MEC036E)
Current Indicator for DC Motors (MEC035E)
DC Motor LED Direction Indicator (MEC034E)
Motors in Series and Parallel (MEC033E)
Multi Step Power Booster for DC Motors (MEC032E)
Power Booster for DC Motors (MEC031E)

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Circuit Bench

  • High Sensitivity Comparator (CB12525E)

      We present a comparator with signal resolution in the submicrovolt range. The matched pair of...

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      We found this circuit in an Argentine publication from the 1970s. The circuit can be used to...

  • Electronic fuse (CB8352E)

           Found in a 1968 Motorola manual, this DC circuit uses components from the era. The circuit fires in...

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