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“CMOS Homemade Operational Amplifier module and a photo detector using it. Operational amplifiers using the CMOS process are now widely used because of their low power consumption. Since the insulated gate of MOSFETs in the CMOS op-amps serves as the …
“Even if you’re a beginner you’ll be able to build this COOL Radio Alarm Clock loaded with useful features. This is a project I designed and built from scratch. The Software and Hardware are provided as Open Source …
“Waking up is hard, especially as a college student who barely gets any sleep. For me alarms are absolutely necessary, because left to myself I would sleep over 12 hours before waking up. But I have non-scientifically come to the …
“I strapped a Raspberry Pi Pico W to my garage door motor and now I can control my garage door from my phone! The Pico W hosts a simple webpage on my local network with three control buttons - one for …
“This Instructables will teach you how to make a programmable pitch sequencer for any cassette tape machine, using Pulse Width Modulation (PWM) from a Raspberry Pi Pico. By the end of the project you will be able to add pitch …
“ZX80 Computer revisited and adding program loading capability with an ESP8266 (ZXBrowser)”
“This emulator allows communication with I2C devices by sending or receiving data to/from the I2C bus through a PC. The I2C master mode emulator allows communication with I2C devices by sending or receiving data to/from the I2C bus …
“This stroboscope is a precise and versatile instrument which can be used to analyze periodic or fast motions. This stroboscope is said to be serious because it is not intended for fun or entertainment in the nightclubs. Rather it is …
“If you are into electronics hobby like me, you must have use a soldering iron in order to make your prototypes or final product. If this is your case, you probably have experienced how your soldering iron, along hours of …
“cVert is the result of an idea I’ve been kicking around for years, and took a few months of work to bring to fruition. The idea was to use a Geiger counter as a true random number generator to …