AMP – Arachnoid Mobile Platform
https://www.electronics-lab.com/project/amp-arachnoid-mobile-platform/
The Arachnoid Mobile Platform is an open source robotics development platform used to make small autonomous moving robots. It can be either configured as a four-legged robot, or as a two wheeled robot. The PCB board holds all the electronics and mechanical components, and also serves as the chassis of the robot. Project Status: Current […]
Church bell Controller
https://www.electronics-lab.com/project/church-bell-controller/
Description This circuit is a church bell controller. Basic component is an ATmega32 microcontroller. At the circuit 1 24LC32 eeprom memories is being used. As control I created a menu who will be appeared on 4×20 LCD (Liquid Crystal Display). The menu browsing can be done by 6 buttons at the face of the […]
2.4V to 5V Step Up DC-DC Converter
https://www.electronics-lab.com/project/2-4v-to-5v-step-up-dc-dc-converter/
This project is a step up DC to DC power converter able to convert 2.4V – 5V to 5Vdc. Description This project has been designed around Texas Instruments LM2623 IC, The LM2623 is a high efficiency, general purpose step-up DC-DC switching regulator for battery powered and low input voltage systems. It accepts an input voltage […]
+/-12V Dual Power Supply
https://www.electronics-lab.com/project/12v-dual-power-supply/
This project is a solution to power up most of devices or projects requiring dual (+/-12V) power supply. Description Symmetric +/-12 VDC power supply has been designed for audio applications, can power up microphone pre-amplifier, audio buffers, audio mixer, distributions amplifier, headphone amplifier, VU meter and few o other equipment or projects required dual supply. […]
Dual Adjustable Power Supply
https://www.electronics-lab.com/project/dual-adjustable-power-supply/
This project is a solution to power up most of devices or projects requiring dual (+/-) adjustable power supply. Description The circuit is based on LM317 positive and LM337 negative voltage regulators. LM317 series of adjustable 3 terminal regulator is capable of supplying in excess of 1.5A over a 1.2V to 30V DC output range, […]
9V to 48V DC-DC Converter
https://www.electronics-lab.com/project/9v-to-48v-dc-dc-converter/
This project is a 8-12Vdc to +48Vdc DC-DC converter based on MC34063 switching regulator. Description It’s a simple project of a DC-DC converter to make a phantom power supply for professional microphones. It can deliver 15-20mA at 48VDC. It ‘s based on MC34063 DC-DC step-up, step-down and boost converter. Input is between 8-12V DC […]
0-30V Laboratory Power Supply
https://www.electronics-lab.com/project/0-30v-laboratory-power-supply/
This project is based on the 0-30 VDC Stabilized Power Supply with Current Control 0.002-3 A and a new PCB layout is introduced here. It’s a stabilized power supply with variable output voltage in the range 0-30Vdc (33Vdc peak) – and variable current 3A and is ideal for your laboratory power supply. Description Schematic and PCB are […]
Variable Power Supply with LM7812
https://www.electronics-lab.com/project/variable-power-supply-with-lm7812/
This project is a simple variable power supply using the famous LM7812 regulator IC. It consists of two boards, the main board which includes the regulator, capacitors, bridge rectifier and potentiometer and a second board that includes the mains tranformer, the fuse and a switch. Description I designed this variable power supply which is based […]
MCU Controlled Spot Welder
https://www.electronics-lab.com/project/mcu-controlled-spot-welder/
This project is a controller for a dual pulse spot welder that has some nice features that are controlled using a LCD interface. Description I always wanted a spot welder, so I decided to built one. I wanted to build a capacitance discharge one but I couldnt afford for the capacitors at this time. So […]
Digital Multiple Voltage Power Supply
https://www.electronics-lab.com/project/digital-multiple-voltage-power-supply/
1.2 to 33 Volts DC @ 3 Amps Description This is simple to build microcontroller controlled power supply that can switch between 5 (or 32 or more) preconfigured voltages between 1.2 to 33 volts dc and up to 3 amps. This guide will walk you through every aspect of the building process; however some basic […]