Hazard Sign Circuit Variation

In the post about How to Make Hazard Sign for Motor Cycle without Additional Switch, we use two transistors to controlling the relay, since there are two conditions so that the relay can be activated, viz. the charge in C1 is enough , and the switch is at left direction. TR1 is used to controlling […]

How to Make Hazard Sign for Motor Cycle without Additional Switch

We can make hazard sign for motor cycle without any additional switch using this simple ciruit…

Motorcycle Safeguard with Touch Sensor – less Sensitive

Motorcycle Safety circuit with Touch Sensor felt too sensitive, so the circuit often became active without being touched. Modifications to the circuit to reduce its sensitifity is by dispose the D2 and the R4 and use only R2 only.

Motorbike Safeguard using Combination on Turn Signal Switch

Motorcycle safeguard with a combination of turn signal switch. A motorcycle can only be switched on after the turn signal are lit with a particular combination. If the combination is correct, then the bike could be turned on, if the combination is wrong, motorcycles cannot be turned on.

Simple Flasher

This Flasher circuit can be used to make lights flicker on turn sign lamp of motorcycles. This Flasher circuit is very simple. The workings of this circuit is also very simple. At the moment the switch is connected to the right or left lamp, capacitor C1 will be filled through the lamp and the relay […]

Add the locking Mechanism on the Motorbike Alarms

After making alarm addition of the touch sensor circuit of motor security, many readers ask me to add the locking mechanisms to this alarm. Thus, if the alarm has been activated, the alarm will keep activated even though the motor’s key is turned off. The addition of a locking mechanism like this actually is very […]

Driving Relay from Parallel Port (LPT)

Driving relay from parallel port (LPT) using Delphi or Lazarus component

How To Drive Paralel Port

How to drive paralell port using Delphi or Lazarus component

Adding an Alarm for Motorcycle Safeguard with Touch Sensor

Adding an Alarm Touch sensor as a motorcycle security is already quite sacure. However, adding an alarm is a plus for securing your motorcycle. If the motorcycle’s lock is rotated to the ON position, then if in about 6 seconds, the touch sensor is not touched yet, the alarm will be activated. For those of […]

Secret Button using AND Gate

The secret key is a way to get a piece of equipment can only be activated if the provided buttons are pressed in the proper order. We will use the AND gate to make the equipment work like this. And the gates are electronic circuits that have a minimum of 2 pieces of inputs and […]