Free PCB coupon via Facebook to 2 random commenters

Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters. More PCBs via Twitter on Tuesday and the blog every Sunday. Don’t forget there’s free PCBs three times a every week: Free PCB Sunday. The classic. Every week, […]

Week in (p)review: October 07, 2011

Facebook free PCB Friday is on the way. Don’t forget to share your current project in the comments or the forum. Here’s a summary of major developments over the last week: There’s 3 weeks left to enter the Open 7400 Logic Competition 7400 competition entries: Money counter, Discrete logic POV clock, Discrete servo driver, and […]

Bus Pirate: JTAG XSVF player successfully programs Amani64 CPLD

Cliff bought an Amani64 CPLD shield for the Arduino, he had no way to program it except: I did have a Bus Pirate on hand, the ‘Swiss Army Knife’ of digital hobbyists. He successfully uploaded the LED blinking firmware onto the Amani64 with the Bus Pirate JTAG XSVF player. Now he is free to develop his CPLD skills. Get your […]

Free analog-to-digital converter demo board

rsdio writes: this was announced on April 1, and somehow I missed. I’m sure they’re all gone by now, but the links still seem to work The MAXADCLite evaluation (EV) kit is based on the MAX11645 ADC, which integrates a multiplexor, FIFO, sequencer, and reference, all for the same price as a competitive stand-alone ADC. […]

Interview with Dangerous Prototypes at Open Source Hardware Junkies

Last week Ian did a Skype interview with Open Source Hardware Junkies. It’s up today, listen in if that’s your kind of thing: Need to figure out a chip…fast? Bus Pirate may be just what you have been looking for. Designed by Dangerous Prototypes, the Bus Pirate is a universal bus interface that can slash […]

Chip powers LED lamps in MR16 halogen bulb systems

This driver is used in LED replacement lamps for MR16 halogen bulb sockets. It’s compatible with common dimmers: The MAX16840, an LED driver that employs a proprietary architecture to ensure flicker-free, dimmable operation with electronic transformers and cut-angle dimmers. Maxim’s patent-pending approach enables the design of retrofit LED lamps that can replace halogen MR16s without […]

nRF24LE1 low power single chip wireless data

The nRF24LE1 is a single chip radio that can be used with a microcontroller for low power wireless stuff.  It has lots of extras like an ultra low power analog comparator for voltage level system wake-up. Nordic Semiconductor provides an RF protocol stack and applications for microcontrollers. Via MDFLY.