Content for PCB

A USB microphone for online meetings

“Here in the UK the new reality of working in the IT business over the past year has been that we’re all at home working remotely over virtual desktop connections and for someone engaged in software development this is …

ATtiny85 Bluetooth Automation With Button Feedback

“A Simple ATtiny85 Controller-based Bluetooth controlled Relay for Home Automation with Manual Button having Real-Time Feedback status of Button. Can control it by Mobile Application as well as Manual Button too. Electronic Components ICs ATtiny85 7805 Module Bluetooth Module HC …

Calculator Made of Discrete Transistors

“Have you wondered how computers compute things at the hardware level? I was curious so I made a binary calculator using only transistors. Story I always was curious about how computers worked at a hardware level. When I finally learned …

Diy Arduino (ZenoDruino)

“Hey folks I am here with my design of arduino it is a very simple project simple soldering and all the components are in dip package. Hey guys today iam gonna make my own version of arduino, its kind of …

Function Generator (AD9833 Based)

“Hi, I am Gursimran Singh In this Instructable, I will guide you through on how to make a “functional” function generator, which can be very helpful when working with electronic circuits. A function generator can generate different kinds of signals …

G300 - 3D Printed CNC Machine

“About 6 months ago I started designing a cnc machine that allowed me to carry out some milling works; the design phase was very demanding in terms of time because it involved both the mechanical and the electronic parts.I …

IOT Based Fertilizer System for Smart Agriculture

“Real-time visibility and control of water, Nitrogen-Phosphorus-Potassium - from any where an Internet of Things (IoT) based system. My country India has been badly affected by climate change due to heavy deforestation. So many campaigns arose planting more trees. However, to …

PyUPDI Programmer

“Probably the simplest UPDI programmer for tinyAVR, megaAVR and AVR-Dx microcontrollers. The programmer works with pyupdi as well as with the Arduino IDE as “Serial Port and 4.7k (pyupdi style)”. It is based on the USB-to-serial chip …

The Graphics Gremlin - a Retro ISA Video Card

“The Graphics Gremlin is an FPGA-based ISA video card specifically designed to emulate certain old video standards. This initial release emulates the original IBM PC monochrome graphics adapter (MDA) as well as the original IBM color graphics adapter (CGA …

TraNOR - A computer built with transistors

“This is not a transistor computer. In fact, it is a computer with a CPU made up of discrete transistors, and the CPU instructions are composed by microcode stored in the same memory that also contains the application program. This …