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“This is a low cost, modular elctronics lab system for hobbyists. The customizable modules include fixed and variable power supplies, measurement tools, component testers and much more. Everything in here is done with open source software, including FreeCAD for all …
“Automatic Zener diode tester is capable of identifying Zener diodes up to 27.5V. Apart from that, it can be used to recognize leads of the diodes/Zeners and detect damaged diodes. This tester is designed using well-known ICs such …
“TinySolder is a simple T12 Quick Heating Soldering Station based on the ATtiny13a featuring in 700 bytes of code: Temperature measurement of the tip Direct control of the heater Temperature control via potentiometer Handle movement detection (by checking ball switch …
“Component video (YPbPr) output for the ZX Spectrum computer General The ZX Spectrum in its original form produces a radio frequency signal that can be fed into an analog TV. The quality of this signal is very poor, but this …
“This is a minimal and small clock based on PIC16F628A microcontroller and DS1307 RTC IC. It is able to only show the time on a small 7-segment display with a total of 4 segments. The display we used is a …
“Hi, in the current situation many people work at home, which is why we spend much more time in front of computers or smartphones. Sometimes we can sit before the display for several hours, destroying our eyes and curving our …
“In this project, we will make an automatic on-off water tap under $5 only. We will use an IR sensor and a water switch to make this automatic infrared water tap. No microcontroller is used to make this automatic infrared …
“In myteenage years, about 40 years ago, I created a dual linear power supply. I got the schematic diagram from a magazine called ‘Elektuur’, nowadays called ‘Elektor’ in The Netherlands. This power supply used one potentiometer for the voltage adjustment …
“Hello everyone, this project is my first Instructables so I will try to do my best. In this project, I will explain you how I managed to create this PCB necklace that glows in the dark ! To be honest, this …
“As promised, this is v2.0 of the PasswordPump, a USB device that manages credentials for up to 250 accounts. Credentials (account names, usernames, passwords, an old password, and categories) are stored ONLY on the device itself, on two removable …