555-timer IC (integrated circuit) is used to generate an accurate delay and oscillations in electronics. It works either in monostable, bistable, and astable mode. The IC gets its name because of the three 5Kohm resistors present in the circuit. The basic constructional features include a voltage divider network, comparators, a flip-flop, transistors, and an inverter.
Now let’s look at some of the best 555 timer-based projects made on Custom made PCBs designed through PCBWay.
To have more information about how you can order through PCBWay and their process, you can read High quality and low-cost PCBs at your doorstep through PCBWay!
LED BRIGHTNESS CONTROLLER USING 555 TIMER
A standard LED controller offers flickering or whirring problems while adjusting the brightness of an LED. This effect is visible in cameras while recording a video. This 555 timer-based controller eliminates the flickering. The controller is crafted on a high-quality PCB, ordered from PCBWay. It uses a transistor and a potentiometer to adjust the brightness of the LED.
COMPONENTS REQUIRED
PCB board from PCBWay
10K Potentiometer
Capacitors: 10nF, 470uF, 1.5nF
1K Resistor
Diodes
Transistor
CIRCUIT DIAGRAM of LED Brightness Controller
Comparison of the controllers
Here is the image of the LED using a standard PWM controller.
And right here is the image of the LED using 555 based controller.
It is visible that the 555 timer-based controller eliminates flickering.
Here is the image of the PCB designed in the software.
Right here is the PCB received from PCBWay.
The designed PCB is similar to the PCB received from PCBWay.
**To know more about the above-discussed project, read: LED brightness controller
SOUND GENERATOR USING 555 TIMER
While working on any electronic project, you may have witnessed noises from the circuit. The noises may be irritable. But, ever thought of converting these noises into a good piece of music? It feels weird, right? Well, this project is the implementation of such an idea.
The PCB board ordered from PCBWay uses a 555-timer. Along with binary counter, NAND gate to create and manipulate tones. Four potentiometers tune the RC network. In addition to that, one potentiometer varies the frequency of the 555 timer circuit. And one master potentiometer controls the volume.
COMPONENTS REQUIRED
PCB board from PCBWay
555 IC
Binary counter
Schmitt Trigger inverter
NAND gate
Audio Amplifier
Potentiometers
CIRCUIT DIAGRAM
**Download the Schematic from here: Link
PCB DETAILS
Right here, the image shows PCB designed in KiCAD software.
And here is the image of the PCB received from PCBWay.
**To know more about the above-discussed project, read: Sound Generator
555 ADJUSTABLE TIMER RELAY SWITCH
It is a simple project in which the timer works in monostable mode. It precisely adjusts a delay of 1-100 sec using a potentiometer. The timer can be manually reset using a pushbutton provided on the PCB board. A red LED indicates when the circuit turns ON. While a green LED indicates when the relay turns ON. When the timer starts, the relay turns ON, which connects to a high power load such as a light bulb or a water pump. The capacitors in the circuit filter noise present in the main supply.
COMPONENTS REQUIRED
PCB board from PCBWay
555 IC
Potentiometer
Resistors
Diode
LEDs
Pushbutton
Capacitors
SPDT slide switch
12V DC relay
12V DC adapter
CIRCUIT DIAGRAM / SCHEMATIC
PCB DETAILS
Right here, the image shows PCB designed in software.
And here is the image of the PCB received from PCBWay.
**To know more about the above-discussed project, read: Adjustable timer relay switch
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