Content for PCB

DIY Smartphone LoRa Connection

“Here’s how to connect your phone to a LoRa module using standard components you can buy everywhere, along with an example chat program. This project will help you create a connection between your phone and a LoRa module using …

Dreamcatcher With Arduino Rainbow

“A few weeks ago, my daughter asked me about dreamcatchers and as most dad’s do…I overwelmed her with fantastic stories about the power of dreamcatchers ….well..I might have overdone it a little because she was so impressed …

Persistence of Vision LED Staff

“It is well known that even after a light has been turned off, human eye keeps “seeing” it for a fraction of second. This is known as Persistence of Vision, or POV, and it allows one to “paint” pictures by …

Power Bank “Keep-Alive”

“A simple module to keep power banks from turning off, when your DIY circuit draws low currents. A simple power bank - keep alive module. As the name is already suggesting, this module keeps power banks from auto turn off, when …

Arduino Compatible 2-Digit 7-Segment Display Board For Timer/Counter

“The project presented here is an open source 2-digit 7 segment Arduino compatible display board. It can used in many applications that require 2-digit display and switches inputs. Possible application of this board is a 2-digit counter, 2-digit countdown timer …

Arduino Plant Water Management System w/ BME280

“Track the total volume of water spent and evaluate approx. evaporation rates by temperature, humidity, and pressure to prevent water overuse Especially during a pandemic related to a virus that washing your hands is efficient to stop its spreading, it …

Arduino Robot Car

“You’ll learn how to construct your first Arduino robot car and create your chassi. In the field of robotics, electronics, or electrical engineering, line-following robots are well known due to the competitions that encourage learning in this medium. Each …

ATtiny85 Mini PCB Violin

“A tiny violin for playing tiny tunes Designing and building this tiny violin was a fun way to experiment with building my own microcontroller development board from scratch, as I’ve been meaning to do for a while. So I …

Development of ClockSquared Mini

“Summer break is here, and with some time to spare I decided to challenge myself with a project that I call “Clocksquared Mini”. It is Clocksquared, but in a tiny wristwatch package. This gives rise to a major challenge, as …

DIY HexaLeaf with Attiny85

“so this my HEXALEAF setup which is basically a DIY Nanoleaf made by combining 6 of these PCBs together in a hexagon shape. The goal here was to make a Cheap yet functional Nanoleaf like Light without using a 3D …