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“A clock that shows the time using the resistor color code. With a built-in auto-ranging ohm meter, you can set the time with a resistor. This clock is shaped like a big resistor and shows the time by lighting up …
“The primary role of this project is to convert a differential input audio signal into a single-ended output signal while rejecting noise that is common to both inputs (common-mode noise). The circuit presented here is a differential amplifier intended to …
“TinyRemoteXL is a 12-button IR remote control based on an ATtiny13A powered by a CR2032 or LIR2032 coin cell battery. The basic hardware is similar to the 5-button TinyRemote. The main difference is that the ATtiny13 has to query 12 …
“This is an easy-to-use voltage to PWM converter. The project occupies very little space. The circuit is built using the versatile silicon timing device LT6992-1 chip. Pulse Width Modulation (PWM) Controlled by Simple 0V to 1V Analog Input, multiturn …
“Hello everyone! Thank you for stopping by this tutorial on how to build a modified square wave inverter that is capable of delivering 200Watts of power. This inverter delivers a modified square wave AC signal of exactly 50 Hz. This …
“Live music playing birthday cake with special light effects. Introduction The purpose of this project was to create a personal birthday gift. And while doing so have some fun with electronics, software and 3D printing! The strawberry & whipped cream cake …
“Homemade Arduboy using custom PCB, modules and all through hole parts that stands out. 1.54” OLED display, silent buttons and RTC FTW For the Arduboy contest I took the opportunity to design a custom PCB for a homemade Arduboy …
“A DIY Security Cam made from ESP32 and powered directly by AC240V (there’s a charger circuit in it which converts 240VAC to 5VDC for esp32) This is my DIY Security Cam which is made from an ESP32 connected with …
“This sensor board provides frequency output as per relative humidity value. The project is based on a unique capacitive cell, this relative humidity sensor is designed for high volume, cost-sensitive applications such as office automation, automotive cabin air control, home …
“Create a simple color mixer which can display up to 16 million colors! This is a tutorial on how to create my version of a color mixer. A joystick is the main form of control in this project. It controls …