Project – DIY Reflow Oven Controller

eFlow is a Reflow Oven Controller Powered by MAX31855, NodeMCU (ESP8266), @OSHPark PCB.

Here’s a fun project for turning any quality oven into a WiFi-enabled reflow oven; the firmware is at v0.01 with v0.02 already in the works, but it is demonstrated and “works great.” Thanks to jm from for sharing the full build details and source.
The source of eFlow is in Github, and documentations can be found here and here



How to make Clear Glass PCBs

+CNLohr have shared a how to video making of Clear Glass PCB. Watch this video, at the end you will not only learn how the make transparent PCB, but also trick like SMD reflow soldering with heat-gun, and general PCB etching method.

After you have mastered the art of making PCB with Glass, you can make some thing like this, Also checkout his youtube channel for more video tutorials.


Schematic Design Tutorial using DesignSpark PCB

DesignSpark PCB is free, easy to use and learn software for capture Schematics, design PCB boards and layouts. This will help students,  startups and hobbyist to turn concept to products in time at no cost investment

This Tutorial explains how to create a schematic diagram, add components, add connections and add net references in

Read the Completed Tutorial on DesignSpark PCB – Schematics Entry

Download DesignSpark PCB and Resources