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Title
Solid State or Electromechanical Relay (Q263E)
RFID reange (Q264E)
Invest in the study of discrete components (Q265E)
Field Strength Meter (Q266E)
Old Components (Q267E)
Study Technology (Q268E)
Microwave radiation (again) (Q269E)
Learning electronics with the Arduino (Q270E)
Tube recovery (Q271E)
Burnt tube and weak valve (Q272E)
Galena with Speaker (Q273E)
Overheating transformer (Q274E)
Transformer Maximum Temperature (Q275E)
Galvanism (Q276E)
Circuit Bench Projects (Q277E)
Quantum physics experiments (Q278E)
Types of Arduino (Q279E)
Study Arduino (Q280E)
Bad sound in recordings (Q281E)
Fast sensors with Arduino (Q282E)
Audio amplifier with Arduino (Q283E)
LED on and off (Q284E)
Microcontroller that does not reset (Q285E)
Arduino that reset (Q286E)
Shields - Buy or build (Q287E)
PIV (Q288E)
Where to buy an Elastor (Q289E)
Alternating Current LEDs (Q390E)
Ionizer Power (Q292E)
Rechargeable Batteries in Multimeters (Q293E)
200 M ohm resistor (Q294E)
Higher Voltage Electrolytic Capacitors (Q295E)
Battery Eliminators (Q296E)
Ideal color for a garden light (Q297E)
Recording on Pen Drive (Q299E)
Fan with Dimmer (Q300E)
20 MHz Oscilloscope (Q301E)
Workshop Assembly (Q302E)
Testing SMD Components (Q303E)
Old Radio (Q304E)
Vinyl Record Player (Q305E)
Battery Pack For Cell Phone (Q306E)
Turbo Charger (Q307E)
Radio for Webradio (Q308E)
Digital Potentiometer (Q309E)
Optical Zoom and Digital Zoom (Q310E)
Mobile Range (Q311E)
How to apply a digital signal to an amplifier (Q312E)
Washing Wearables (Q313E)
LED lamps and Interference (Q314E)

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Circuit Bench

  • Presence Detector (CB18741E) The original name of this project found in documentation from the 90s is “ghost hunting”. The circuit uses a not too long stretched plate or wire as a sensor and has its adjustment made by a trimpot. The power i

    Presence Detector (CB18741E) The original name of this project found in documentation from the 90s...

  • Sensor Darlington Touch (MSB060)

    Two transistors connected in direct engagement, so that the first emitter is connected to the base of...

  • XTAL Oscillator 7400 (CB22420E)

      This crystal fundamental frequency oscillator can operate at frequencies up to a few tens of...

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