VERSATILE AND OPEN SOURCE LIPO BBATTERY BREADBOARD POWER SUPPLY

Orlando Hoilett from Calvary Engineering LLC designed a  versatile Li-Po battery breadboard power supply and wrote an Instructables on it. This power supply outputs 3.3V to the breadboard and takes input from a single-cell LiPo battery. The breadboard power supply also has the ability to charge the battery without needing to separate it from the circuit board. More importantly, this project is licensed unde ...

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ALCHITRY – FPGA DEVELOPMENT BOARDS FOR HOBBYISTS

Digital design refers to creating digital circuits. Digital circuits are in basically everything today and range from something as simple as a circuit that turns an LED on when a button is pressed to the complex processor in the device you are reading this on. Traditionally, these circuits are built by making ASICs (Application Specific Integrated Circuits) out of silicon wafers. This process is incredibly ...

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Make 10x Printed Circuit Boards For $5 On PCBWay

The quest for making low cost printed circuit boards is one that will always keep on going and it is not going to stop here. Customers, engineers, makers, are looking for low cost printed circuit board manufacturers for their PCB needs but also a reliable one as well. It is a task to find a low-cost service or better still a cheap service and a different thing to find a reliable service. Most of the time, t ...

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CONTACTLESS AUTOMATIC WARDROBE LED LIGHT WITH FADE EFFECT

Contact-less controlled automatic wardrobe light turns on the LED when you open the wardrobe door. Τhe project is based on Hall effect IC including LED driver and tiny magnet. Board doesn’t require any mechanical switch. When magnet is close to the board, LED is off, when you open the wardrobe door magnet goes far from hall IC and its turn on the LED, the IC also has special features like soft start and sof ...

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555 timer in different modes of operation with circuit diagram

555 TIMER Timers, as the name specified, are the electronics circuits used for measuring time intervals. In this article we will cover about 555 timer. This integrated circuit can be used in variety of ways from which the basic one is to produce accurate and stable delays in electronic circuits. It is available in 8 pin DIP and 14 pin DIP. 555 timers are very popular in electronics projects.  Some they serv ...

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automatic voltage stabilizer circuit diagram

A voltage stabilizer is a device which stabilizes the AC voltage and keeps it between 200V to 255V AC. Sometimes a variation of voltage or spikes appear on an AC line, if we use a voltage stabilizer then the extra high voltages or low voltages can cause no problem to the appliances. It protects any electronic device connected to it from getting damaged. Automatic voltage stabilizer is very good example of p ...

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LT3094, −20V, 500mA, Ultralow Noise, Ultrahigh PSRR Negative Linear Regulator

Analog Devices announces the Power by Linear LT3094, an ultralow noise, ultrahigh power supply ripple rejection (PSRR), low dropout voltage, 500mA negative linear regulator that targets applications requiring the lowest noise performance. It features industry-leading 0.8µVRMS integrated output noise (10Hz to 100kHz), providing the quietest environment for precision measurements of low level signals. The LT3 ...

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uMesh – A self-contained, battery operated ESP32 module

uMesh I’ve been working on an ESP32 module. Part of the problem I’ve been seeing with inexpensive IoT dev boards, is that the design around the power system hasn’t been very good. Here’s my attempt to fix that. This is a battery-ready module with a proper lithium battery charge circuit, lithium battery protection circuit, power supply, and antenna, all in a 1 inch by 1 inch package. The goal is to have a ti ...

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Using NXP’s NXQ1TXH5 Qi Charging Circuit

Adding wireless charging to furniture and other consumer goods is a nice way to add some oomph to an otherwise boring product. NXP’s NXQ1TXH5 provides an interesting, albeit difficult-to-prototype way around the problem. Creating a Qi-compatible is as easy as assembling the example circuit shown in figure one. From a technical point of view, the diagram is full of decoupling capacitors but does not require ...

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DEVELOPMENT BOARD PIC18F2550 PIC18F4550

PIC18F4550 and PIC18F2550 prepared for the experiment set of circuit than the regular seems simple, each chapter PCBs indicated on the layout also pretty good easily can be selected power source, LEDs, buttons, op...Electronics Projects, Development Board PIC18F2550 PIC18F4550 "pic development board, pic18f2550 projects, " PIC18F4550 and PIC18F2550 prepared for the experiment set of circuit than the regular ...

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