Archives: Projects
![Low Profile 2 Channel Solid State Relay for AC Loads Low Profile 2 Channel Solid State Relay for AC Loads](https://www.electronics-lab.com/wp-content/uploads/2021/06/001-1024x747.jpg)
Low Profile 2 Channel Solid State Relay for AC Loads
This project offers an extremely compact solution for interfacing 2 high voltage resistive or inductive loads. At a low profile, this is the most compact & versatile optically isolated 2 channel solid state relay system. The circuit consists of 2x Triacs and isolated Triac...
Continue Reading![TINY DC-DC Power Module – Input 8-28V DC – Output 5V DC 1A TINY DC-DC Power Module – Input 8-28V DC – Output 5V DC 1A](https://www.electronics-lab.com/wp-content/uploads/2021/06/A006-1024x634.jpg)
TINY DC-DC Power Module – Input 8-28V DC – Output 5V DC 1A
This tiny power module is an easy-to-use integrated power solution that combines a 3A DC/DC converter chip with inbuilt power MOSFETs, an inductor, and passives into a 3-pin, through-hole package. The standard TO-220 pin-out allows a much-improved replacement of linear regulators...
Continue Reading![Automatic LED Stairway Lighting – Arduino Compatible Automatic LED Stairway Lighting – Arduino Compatible](https://www.electronics-lab.com/wp-content/uploads/2021/05/005-1024x541.jpg)
Automatic LED Stairway Lighting – Arduino Compatible
This creative idea is suitable for a stairway with 16 stairs, each stair can have a 12V LED. It has two sensors one at the start and one at the end of the stairs and when the sensor trigered at any end it starts a process of lighting each of the steps in a progressive cycle starts....
Continue Reading![Programmable Frequency – Continuous Conduction Mode (CCM) – Boost Power – Factor Correction (PFC) Controller Programmable Frequency – Continuous Conduction Mode (CCM) – Boost Power – Factor Correction (PFC) Controller](https://www.electronics-lab.com/wp-content/uploads/2021/05/006-1024x614.jpg)
Programmable Frequency – Continuous Conduction Mode (CCM) – Boost Power – Factor Correction (PFC) Controller
The circuit described here is a simple PFC controller using the UCC28180 chip from Texas instruments. The controller operates under average current mode control at a fixed programmable switching frequency of 116 kHz. Simple external current and voltage loop compensation,...
Continue Reading![SafeBee – A GPS Tracker for Beehives SafeBee – A GPS Tracker for Beehives](https://www.electronics-lab.com/wp-content/uploads/2021/05/safebee_KeyShot_top-1024x576.jpg)
SafeBee – A GPS Tracker for Beehives
This is an original design of a GPS tracker designed on Elab and it is intended to be used as a security device for beehives, but it is not limited to this. It can be used everywhere a motion-activated GPS tracker is needed, like your car, bike, or even your boat. It is a GPS tracker...
Continue Reading![3 Phase Isolated Hall-effect Current Sense Amplifier with +/-600V Working Voltage and +/-46A Measurement Range 3 Phase Isolated Hall-effect Current Sense Amplifier with +/-600V Working Voltage and +/-46A Measurement Range](https://www.electronics-lab.com/wp-content/uploads/2021/04/001-4-1024x755.jpg)
3 Phase Isolated Hall-effect Current Sense Amplifier with +/-600V Working Voltage and +/-46A Measurement Range
The project described here is a 3-Phase isolated Hall-effect current sense amplifier with +/-600-V working voltage range. The current sensor senses magnetic flux generated from current passing through the lead frame at common-mode voltages 0 to 600V DC and provides proportional output...
Continue Reading![Multiphase Oscillator with 40% Spread Spectrum Frequency Modulation and 250Khz Output Frequency Multiphase Oscillator with 40% Spread Spectrum Frequency Modulation and 250Khz Output Frequency](https://www.electronics-lab.com/wp-content/uploads/2021/04/003-3.jpg)
Multiphase Oscillator with 40% Spread Spectrum Frequency Modulation and 250Khz Output Frequency
This is a precision, low power, and easy-to-use oscillator that provides multiphase outputs. The output frequency of the project is set to 250Khz, with 40% spread spectrum. The oscillator frequency can be set by resistor R1, and the spread spectrum can be changed using R3. The master...
Continue Reading![Dual-Level Float-Cum-Boost Charger with Pre-Charge for 12V – 3 to 6Ah Sealed Lead Acid (SLA) Batteries Dual-Level Float-Cum-Boost Charger with Pre-Charge for 12V – 3 to 6Ah Sealed Lead Acid (SLA) Batteries](https://www.electronics-lab.com/wp-content/uploads/2021/04/001-3-1024x612.jpg)
Dual-Level Float-Cum-Boost Charger with Pre-Charge for 12V – 3 to 6Ah Sealed Lead Acid (SLA) Batteries
This SLA Battery charger project is the right choice if you want to obtain maximum battery service life and capacity, along with acceptable recharge time and economy, constant current, constant voltage, and even charge a deeply discharged battery. The project contains all the...
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