Bow Tie PCB Badge
“Every party is different, and everyone wants to be unique, what do you think about wearing a printed circuit board bow tie? PCB badges have always been an artistic form of circuit board.I this project I will be showing …
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Linear Variable Voltage Regulator 1-20 V
“A linear voltage regulator maintains a constant voltage at output if the input voltage is greater than output while dissipating the difference in the voltage times the current watts of power as heat. You can even make a crude voltage …
more ...Mini Speaker Attached Audio Amplifier using TS4871
“This Mini Audio Power Amplifier is capable of delivering 1W of continuous RMS Output Power into 8 ohms load @ 5V. The Amplifier is built using TS4871 IC from ST. This Audio Amplifier is exhibiting 0.1% distortion level (THD) from …
more ...Programming At89S52 Using Arduino
“In-System Programming (ISP) aka In-Circuit Serial Programming (ICSP) is the ability of some programmable logic devices, microcontrollers, and other embedded devices to be programmed while installed in a complete system, rather than requiring the chip to be programmed prior to …
more ...USB PD Stand-alone Sink Controller
“Since USB-C’s introduction, I’ve been consistently interested in leveraging it for powering everything under 100 watt (or rather under 90 watt, since it’s hard to come by a full 100 watt USB-C power brick). I …
more ...1 Square Inch TTL CPU
“A microprocessor built with TTL chips. In one square inch. What would be cool for the square inch contest or Hackaday prize…. How about a homebrew CPU with TTL chips ? This is the smallest TTL Homebrew CPU in the world …
more ...Protect Yourself With This Noise Level Monitor
“Hello friends, I am Anto.. Arduino-based noise/sound level monitor project which that displays sound levels in decibels (dB) and corresponding voltage levels on an LCD. A noise monitoring system is used in many applications such as healthcare, defence, mining …
more ...“The Thing”: FPGA + STM32
“An homemade FPGA board with an Arduino STM32, “Multicomp” compatible Two dev boards into one: a STM32 based Arduino (“Maple Mini” compatible) and a Cyclone II FPGA dev. board to start playing with VHDL/Verilog. It is also “Multicomp” compatible …
more ...VU Meter Using 3915 IC
“Today I am going to make a VU Meter Meter circuit that will show the level of audio in the LED.In this VU Meter I will use 10 LED. Let’s get started,”
more ...4-Legged Walking Robot
“Arduino Nano or Obniz controlled robot design information. A robot control board with four servo-controlled feet and a face with a distance sensor. The control board can use Arduino nano or Obniz. The example above uses Arduino Nano 33 IoT …
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