FUN but REAL: Manually or lying down
https://www.electronics-lab.com/fun-but-real-manually-or-lying-down/
Yes, these are your options when you want to set time relay of 12.51 series from Finder producer. Italian producer accommodated less active installers that can now set, resp. program time relay also lying down. Of course, something for something – you need to have a computer but luckily it is something that almost any […]
Headlight Modulator for Motorcycle
https://www.electronics-lab.com/headlight-modulator-for-motorcycle/
William Dudley @ dudley.nu has designed a motorcycle headlight modulator based on 555 timer IC and photoresistor. A headlight modulator will make the headlight to pulse during the day and be steady at night. He writes: Unhappy with a headlight modulator I purchased, I decided to make my own. Even though it would be a trivial […]
Disco Lights with IC555
https://www.electronics-lab.com/disco-lights-with-ic555/
This is a simple 555 timer IC circuit that is able to power two strings of LEDs alternative. Disco lights are mostly used in decoration made with colourful LEDs. For begginners, this is a compact circuit using a single chip IC. IC555 is connected here to form a multivibrator. The blinking speed can be easily […]
NE555 timer sparks low-cost voltage-to-frequency converter
https://www.electronics-lab.com/ne555-timer-sparks-low-cost-voltage-to-frequency-converter/
by Gyula Dioszegi @ edn.com: In 1971, Signetics—later Philips—introduced the NE555 timer, and manufacturers are still producing more than 1 billion of them a year. By adding a few components to the NE555, you can build a simple voltage-to-frequency converter for less than 50 cents. The circuit contains a Miller integrator based on a TL071 along […]
Delay using 8051 Timer
https://www.electronics-lab.com/delay-using-8051-timer/
The major component of this circuit is Microchip’s SST89E54RDA-40-C-PIE, which is a pin-for-pin compatible with typical 8051 microcontroller devices. It has a built-in timer used to produce accurate time delay. The light emitting diode (LED) is connected through the 330Ω resistor to indicate the time delay. The blinking LED switches ON for 1ms and switches […]
Arduino Chess Clock
https://www.electronics-lab.com/arduino-chess-clock/
by benhur.goncalves @ instructables.com: Hey folks! After making an Arduino smartwatch just last week, I received many complaints,or tips, to use a RTC (real-time clock) module. That’s because the Arduino timer is not very precise, it can lose a couple a minutes along a full work day. Luckly, I had one of those modules at my […]