Content for LM7805

Make Your Own Retro Nixie Clock With an RTC!

“In this project I will show you how to create a retro nixie clock. That means I will show you how you can control nixie tubes with a high voltage DC power supply and then I will combine 4 nixie …

IoT Power Module: Adding an IoT Power Measurement Feature to My Solar Charge Controller

“Hello everyone, I hope you all are great! In this instructable I am going to show you how I made an IoT Power Measurement module that calculates the amount of power generated by my solar panels, that is being utilized …

Arduino Wattmeter - Voltage, Current and Power Consumption

“A device can be utilized to measure the power consumed. This circuit can also act as a Voltmeter and Ammeter to measure voltage and current. Hardware Components: - Arduino Uno - LCD 16 X 2 - LM 358 Op-Amp - 7805 Volage regulator - Potentiometer …

Make Your Own 8051 Minimal System

“Even before Arduino was a thing, the world had microcontrollers only thing was they were pretty less known and best example will be an 8051 Microcontroller which was quite famous and guess what even today for enthusiasts like me it …

Arduino Power Supply Shield With 3.3v, 5v and 12v Output Options (Part-1)

“Hello guys! I am back with another Instructable. When developing electronic projects, the power supply is one of the most important parts of the whole project and there is always a need for multiple output voltage power supply. This is …

Nixie Wrist Watch, 4 Digits

“This project is about making a 4-digit nixie wrist watch. Supplies: small size nixie tubes (4) Arduino pro mimi IC 7805 IC 555 IC 74141 (or 7441) MPSA42 Transistors (5) MPSA92 transistors (4) RTC module DS3231 IRF740 mosfet UF4007 diode …

60Hz Arduino Clock

“This Arduino based digital clock is synchronized by the 60Hz power line. It has a simple and inexpensive common anode 4 digit 7 segment display which shows hours and minutes. It uses a cross over detector to detect when the …

Body-ultrasound Sonography With Arduino

“My hobby and passion is to realize physics projects. One of my last work is about ultrasonic sonography. As always I tried to make it as simple as possible with parts you can get on ebay or aliexpress. So let …

Sonoff Basic Rebuild to Low Voltage (12V)

“YouTube: https://www.youtube.com/watch?v=Ps6UIzsx5oA&t= Hello guys. Wouldn’ t it be nice sometimes to control all your appliences and all your stuff with a WiFi smart switch? But often you don’ t need to switch 230V …

Hackbot in the Morning

“Pretty quiet around here at 7 a.m. Maybe I can whip up a quick python-fueled, Pi-based bot? Oh, yeah - hot glue features prominently in this build. I love coming in to work early; normally I get in around 6 …