Content for PCB

Doorbell Notifier

“Convert your existing wired doorbell into a smart doorbell, allowing for notifications, integrations, etc. One of the first projects I tackled after getting back into microcontrollers was converting my wired doorbell into a smart doorbell. I wanted to simultaneously trigger …

IoT Energy Meter

“Make your own smart energy meter that generates bill every minute which you can see on your smart phone or laptop You must have your traditional energy meters at home that generates bill every month, too boring. Now make your …

Lithium Coin Cell Charger for Rechargeable CR2016 CR2025 CR2032 Coin Batteries

“This versatile charger has been designed to charge Lithium Coin Cell Rechargeable CR2016/CR2025/CR2032 Coin Batteries. Just insert the battery to the holder, and plug in to any USB port to recharge, D3 Power LED, D1 LED indicates the …

Open3DScanner

“Build your own open source photogrammetry 3D scanner which is based on your phone and an ESP32. Story I am a maker for quite some time now but this is my first really big project. I chose to develop an …

Temperature Controlled FAN using ATtiny10

“The electrons movement in electronic components lead to the generation of heat which when beyond certain thresholds, prevents some components from functioning properly and in others could lead to a catastrophic breakdown. For this reason, the topics of ventilation, overheating …

Tiny Reflow Controller with OLED display

“Last time we examined how to build a DIY Reflow Oven controller using the Tiny Reflow Oven Controller v1 by Rocket Stream. However, Rocket Stream recently released the Tiny Reflow Controller V2 and for today’s tutorial, we will attempt …

Bow Tie PCB Badge

“Every party is different, and everyone wants to be unique, what do you think about wearing a printed circuit board bow tie? PCB badges have always been an artistic form of circuit board.I this project I will be showing …

Mini Speaker Attached Audio Amplifier using TS4871

“This Mini Audio Power Amplifier is capable of delivering 1W of continuous RMS Output Power into 8 ohms load @ 5V. The Amplifier is built using TS4871 IC from ST. This Audio Amplifier is exhibiting 0.1% distortion level (THD) from …

Programming At89S52 Using Arduino

“In-System Programming (ISP) aka In-Circuit Serial Programming (ICSP) is the ability of some programmable logic devices, microcontrollers, and other embedded devices to be programmed while installed in a complete system, rather than requiring the chip to be programmed prior to …

USB PD Stand-alone Sink Controller

“Since USB-C’s introduction, I’ve been consistently interested in leveraging it for powering everything under 100 watt (or rather under 90 watt, since it’s hard to come by a full 100 watt USB-C power brick). I …