Amy's Column

What is an aluminum PCB?

What is an aluminum PCB?

By its name, you can see its definition - aluminum PCB is a printed circuit board that uses aluminum as its substrate or base. It has been develope...

COMMODORE 64 USB KEYBOARD FOR BMC64 (Poor man's "Keyrah" )

COMMODORE 64 USB KEYBOARD FOR BMC64 (Poor man's "Keyrah" )

Commodore 64 USB keyboard is a mini DIY C64 keyboard for Bare Metal C64 project and WinVICE emulator version 2.4.27

SMPS Power Supply PCB Board Design for Different Applications

SMPS Power Supply PCB Board Design for Different Applications

This PCB-designed board is used to protect the devices from damage while converting AC voltages to DC voltages as per device requirements.    

RoenDi: An open source rotary encoder with programmable digital display

RoenDi: An open source rotary encoder with programmable digital display

Features & SpecificationsMCU: STM32L433 with USB and RTCDisplay: Round 1.28" TFT LCD DisplayRotary Encoder: 15 Pulses / 30 DetentNOR Flash: 128...

ESP32 Audio Development Board

ESP32 Audio Development Board

Portable, open-source, ESP32-powered audio-development platform with a touchscreen and support for Bluetooth & Wi-Fi connectivity

Flex PCBs

Flex PCBs

adjustable by the mid-2020s. Among the advantages of flex, boards are increased capabilities, smaller sizes, higher reliability, and more material ...

Why put shield holes all around this line?

Why put shield holes all around this line?

it is a via fence, also called a picket fence, is a structure used in planar electronic circuit technologies to improve isolation between component...

PCB Necklace

PCB Necklace

Made a wearable Small Necklace or pendant with custom Tear shaped PCB and Attiny13A.The goal here was simple, to make a small Blinky board that ca...

OLED Display

OLED Display

The display consists of a 0.96” 128*64 OLED module with an SSD1306 controller chip. The data/command interface of the module is I2C. figure shows a...

PCB Layout

PCB Layout

Figureshows the PCB layout of the circuit. It is a two layers PCB board and all components are SMD. The display should stand a few millimeters abov...

Simple PWM_1

Simple PWM_1

The "Simple PWM_1" project is a PWM regulator with an output current of 5-10 amps.The PCBs are perfectly made as always, especially how they look i...

Anemosens sensor PCB

Anemosens sensor PCB

As always, We had the PCBs for my projects manufactured at PCBHERO.com. Above all, I appreciate the many manufacturing options and the top support,...