A Little Something To Be Thankful For

Thanks Elecrow for a $10 voucher in their Black Friday giveaway. I have heard good reports about their PCB prototyping service, especially the free color option, and I am keen to give it a try.

Pedal Powered Menorah

Exercise bike + magnets + LEDs = festival of light. Devised by T.J.Hunt with specialist engineering expertise from Rabbi Shena Potter Jaffee. Come along 3rd December to the Mayerson Jewish Center of Cincinnati. Pop a beer, grab a latke, and take a spin. Happy Hannukah! 

Twin Triac AC Switch on DP5050 PCB

Two triacs switched by zero-crossing optocoupled drivers act as solid state relays on a Dangerous Prototypes standard size PCB.

Twin Relay Control Board on DP5050 PCB

Just for good measure, a breakout board for twin Songle SRD series relays to fit the Dangerous Prototypes standard PCB size DP5050.

Relay Control Board on DP5031 PCB

Here's a breakout board for those Songle SRD series relays that are so cheap on Ebay. It fits nicely on the Dangerous Prototypes standard PCB size DP5031.

November Swag Bag: Double Freebies

Last week I won the weekly trivia quiz from Tier1Automation, and came dead last in the 43oh Halloween competition with my Jack-O'-Launchpad — but still won the booby prize of 2 MSP430 Launchpad v1.4 PCBs. The freebies arrived in the same post. Good times!

Bike Handlebar Hack

Now here is a real hack. As in, something that can be accomplished by hacking, with a hacksaw. Although in fact it was an angle grinder that I used to streamline my handlebars, lopping off 13 cm (5" or so).