Blog Archives

Do you like candy? I like candy.

Here’s a very brief overview of the thought process for building something to amuse and frighten your neighbours. I originally wrote this up on May 31st and posted it elsewhere, but I thought I’d give the VHS regulars time to

Posted in Hacks, Things People Made, Projects

SMD Soldering Beginner Workshop

This is a beginners SMD workshop. You’ll be taken through a technique for solder smd components and then get a chance to build the board shown in the photo.  The price is the cost of the parts including battery. People

Posted in Events, Courses, Projects Tagged with: , ,

Schlage BE365 deadbolt hacking

We have a keypad dead bolt on the front door that has been slated for adaption to rfid for ages.  About 6 months ago we dismantled the lock and tapped the wiring to the solenoid.  The solenoid is tiny, it

Posted in Hacks, Projects

SMD May – programming jig

  This week we’re building Logic Pirate open hardware logic analysers at VHS in our SMD workshops.  The ICSP header is 0.05″ pitch so I came up with a top and bottom programming jig to load the initial firmware.  Tickets

Posted in Events, Hacks, Courses, Projects Tagged with: , ,

SMD May PCBs arrive just in time

The circuit boards from dirty pcbs for SMD May are here just in time. The Logic Pirate is a nice cheap compact logic analyser design by Markus Gritsch. More at Dirty PCBs and Dangerous Prototypes.  

Posted in Events, Kits, Courses, Projects Tagged with: , ,

SMD April – USB Isolator overview

You can see from looking at the block diagram above that the isolation is transformer based, it’s quite remarkable that they can fit 5 transformers in such a small package.  If you can’t attend the workshop the pcb files can

Posted in Kits, Courses, Projects

SMD April – USB Isolator

In one of the earlier SMD workshops I managed to temporarily kill my new macbook pro when I plugged in a prototype.  I revived it by removing the battery all the time chanting to myself, must get a usb isolator,

Posted in Events, Kits, Courses, Projects Tagged with: ,

SMD March – Internet of things board

For SMD March we’ll be building an Internet of things board. This is the heart of an arduino uno coupled with an ethernet interface to let you control leds, relays etc, plus read switch positions, temperature etc. all over Ethernet.

Posted in Events, Kits, Courses, Projects Tagged with: , ,

Fun with lasers!

Although, I guess “fun” is always implied when lasers are involved. I shouldn’t have even bothered.   Here are some things lasers are good for:   1) Organizing your kitchen.   2.) Clamping stuff   3) Holding worm gears  

Posted in Projects

SMD January – demo video now available

Here is a demo video of the awesome vhs led badge designed by Richard Sim.  These are mostly assembled, we’re holding workshops in January to finish the build and learn about how they work. This board has a Atmega 168/328

Posted in Events, Courses, Projects Tagged with: , ,