Adafruit will not be shipping USPS orders Monday February 18, 2019 for the federal holiday, Presidents Day. Expedited USPS orders placed after 11am ET Friday February 15 will go out Tuesday February 19.
0

DIY Solder Flux

Ian shows you how to make your own solder flux with rosin, alcohol and glycerin.

Flux is a wonderful goo that makes soldering faster and easier. In previous videos we compared different types of commercial flux (Flux off 1, Flux off 2), but did you know it’s possible to make a simple and effective flux at home? We’ll get you started, and don’t miss the giveaway at the end of the video.

Arhi shared his method of dissolving rosin into a solvent. Rosin is an inexpensive processed tree sap, used on violin bows, art, etc. It’s also the primary ingredient in many fluxes. Followup comments revealed an expired patent with a simple flux recipe:

  1. Isopropyl alcohol (60-70% by weight)
  2. Water white rosin (30-40% by weight)
  3. Glycerin (2-3% by weight)
  4. Cationic flurocarbon surfectant (0.01-1% by weight)
  5. Liquid flux is produced using a 20-65% concentration of rosin; at concentrations of 65-80% of rosin, a paste flux is produced

I’m going to have to try this. I like the idea of being able to control the consistency of the flux, which beats buying 5 different commercial products to have the same variety.


Please vote for Limor Fried (Ladyada) for Red Hat’s Women in Open Source Award
Our Ladyada (Limor Fried) was nominated for Red Hat’s Women in Open Source Award! Please vote for her! Visit: https://www.redhat.com/en/about/women-in-open-source

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 10,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython 2019!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/


Maker Business — Apple manufacturing in the U.S.? Easier said than done.

Wearables — Hot glue undo

Electronics — Working with sensitive circuits?

Biohacking — Circadian Pi Desk Light

Python for Microcontrollers — Python is for the birds, deep dive, Raspberry Pi store, and more! #Python #Adafruit #CircuitPython @circuitpython @micropython @ThePSF @Adafruit

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



No Comments

No comments yet.

Sorry, the comment form is closed at this time.