Content for Project

How to make simple portable PEMF Magnetic Pulser

“This is a miniature, cheap and easy to make portable PEMF Therapy device that you can make yourself for just a few dollars. Story PEMF (Pulsed Electromagnetic Field Therapy), which is also known as magnetic pulse therapy uses electromagnetic fields …

Inside an unusual 7400-series chip implemented with a gate array

“When I look inside a chip from the popular 7400 series, I know what to expect: a fairly simple die, implemented in a straightforward, cost-effective way. However, when I looked inside a military-grade chip built by Integrated Device Technology (IDT …

INTEL 8051 as Arduino UNO?

“I made this really amazing PCB for INTEL 8051 microcontroller in the form factor of an Arduino UNO. See how to build your own one. Hello Guys, Once again I have made a microcontroller Development board but this time we …

LED VU-meter Music Reactive Light

“VU- meter using Arduino and sound sensor Hey folks, we are making a sound reactive light using arduino and sound sensor. which is also known as the LED VU meter. to make this project we need a analog Sound sensor …

Make a simple 3D Hollow clock (Arduino Nano and 5V Stepper)

“Hi, in this project I will show you how I made this great-looking 3D-printed Hollow clock. Hi, in this project I will show you how I made this great-looking 3D-printed Hollow clock. I saw this project on Thingiverse a few …

One Handed Chording Keyboard

“Two hands are required to type on a regular keyboard. A mouse needs one hand to operate. This results in needing to move a hand between the mouse and keyboard often, which gets tiring. To solve this problem, I designed …

Pulse Oximeter With MAX30105, NodeMCU and an SSD1306 OLED Screen

“In today’s project, I tried to build my own pulse monitor that measures my heart rate in beats per minute (bpm) but also monitors the oxygen saturation levels in my blood, using an MAX30105 oximeter sensor coupled with an …

Secret Maze 2

“This simple project, based on an ATtiny85, gives you a maze that you have to solve by navigating it with four push buttons. The available paths in each direction are shown by four LEDs: a lit LED means that your …

Sen6-PDU: a Smart Power Distribution Unit

“In most cases, when we talk about a PDU we generally mean a box that can power multiple devices at the same time from a single power source. A sort of “multi-socket” with the only advantage of concentrating the cables …

Set a DS3231 RTC Over Bluetooth

“An easy way to set a DS3231 RTC module connected to a device with BLE (esp32 perhaps) using an app on an Android phone. Story It can be difficult to set the time and date on a DS3231 RTC there …