The PCB roller transfer machine (or laminator machine) is a machine designed to thermally transfer toner printed on paper to a blank Printed Circuit Board.

Symmetric In-Ear XLR Headphone Amplifier

VoCore2 motherboard with Mini-PCIe slots

⌛ Control a relay connected device for a period of 1 to 100 seconds using a 555

A tiny evaluation board for Freescale's S12G microcontroller family

🚗 LM555 generates a car/bike/bicycle/scooter horn sound which is amplified by LM386

🎼 Melody generators for Car/Scooter Reverse | Doorbell | Telephone | Toys

🚓 Police Siren 🚒 Fire Engine Siren 🚑 Ambulance Siren

LED lights that are controlled by music levels

An Electronic Timer which can count from 15sec to 24hr using a CD4060

🎹 An electronic piano that uses the 555 to generate eight different piano notes.

Melody Generator using RTS 993-9A

MSR-Regel-Einheit-Temperatur

Glowdeck circuit board design and layout

Heart-shaped flashlight PCB for Ariella

Jenkins monitor using industrial stack light as output

This repository contains the hardware documentation of the plant watering sensor project.