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“A variable DC power supply is really useful to keep on your desk for charging your phone, plugging in a raspberry pi or any other low voltage electronic devices. By using voltage regulators you can set just the amounts to …
“This is a 3 buttons control table-tennis score board, 1st player, 2nd player and reset.”
“In this instructable I’ll show you how to build a basic Thermometer / Barometer clock using a Raspberry Pi 2 with a BMP180 I2C sensor displaying on an Adafruit 4 digit 7 segment I2C display. The Pi also uses a …
“Counter based on PIC16F628A . Included C code and circuit diagram. Displays -55 to 125 centigrade. The temperature is read every 15 seconds, can be changed in the code. The math is using integers to calculate the degrees and the tenths …
“We have built this first version of our Photobooth for the wedding of friends, cause we noticed that it would cost almost the same to rent a even simpler one. We have tried to make it as cheap as possible …
“Today I will show you how to make your own 7 segment - 2 digit - thermometer with Arduino uno and DS18B20 temperature sensor. I prefer to build my own arduino based circuit by using the ATmega328p uno possessor, but this is …
“The reason a started my electronics hobby was that I wanted to build a chess clock. Lacking a proper LCD display, I chose to multiplex several 7-segment displays. Most sources in the net did not specify hardware at all, and …
“Time displayed on large 1” (26mm) 7 segment displays with secondary 4x20 LCD information display. The clock can be used stand alone or provides the following pulses to drive slave clocks 1 sec alternating, 30 sec, 1 min , 1 hour …