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Huge saving @ Seeeday December 10th 2014 EST

Wednesday, December 10th, 2014

Huge saving @ Seeeday December 10th 2014 EST! Up to 70% off of all items. Free shipping over 3 items your purchase. (Available for Registered Air Parcel Only, Weight Less Than 2KG) More than 60 items ready for additional fire sales of $0.99, $1.90, $2.90, $3.90, $4.90 and $9.90 USD;...

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Review: Kano DIY computer kit

Friday, October 10th, 2014

Steve Schuler has posted this review of the Kano DIY computer kit on Science 2.0. I've lost count of how many computers I've built over the years, but I think it is safe to say that the Kano Computer was the easiest build ever. So simple a child could do...

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Posted in dev boards, DIY, kit biz, R-Pi | 5 Comments »

Hantek PPS 2320A review

Friday, May 9th, 2014

Alan Parekh of Hacked Gadgets writes:Thanks to Circuit Specialists for sending in this 3 chanel power supply. The Hantek PPS 2320A sure packs in a ton of features for the price. The video below goes through the unboxing of the power supply and a quick run through its features. Overall...

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Posted in kit biz, power supply | No Comments »

Review: building publicLab’s DIY spectroscopy kit

Tuesday, April 15th, 2014

Rohit writes, I made a Opensource Spectroscope using the publiclab's kit. I was surprised to see the kind of accuracy you can get from these easy to make Spectroscopes. I probed around a lot of light sources like LEDs, Sunlight, Tubelights and Bulbs. With LEDs I was able to estimate...

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Posted in DIY, kit biz, measurement | No Comments »

EasyPIC v7 development board review

Tuesday, April 1st, 2014

Raj of Embedded Lab has posted a detail review of mikroElektronika's popular EasyPIC v7 development board: MikroElektronika, a Belgrade, Serbia-based company is well-known for producing quality software and hardware development tools for a wide range of microcontroller families, including PIC, AVR, and ARM processors. Their mikroC Pro for PIC has always...

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Posted in kit biz, PIC | No Comments »

Bus Pirate cable professionally printed shrink tubes

Wednesday, January 22nd, 2014

Professionally printed shrink tubes arrived for the Bus Pirate probe cable prototype we discussed yesterday. 110 each of 10 labels cost 180RMB ($30). These are about about 5x more expensive than printing them ourselves on the L-Mark (ribbon+tube cost). The the print quality is more consistent than ours and the...

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Posted in Bus Pirate, components, kit biz | 1 Comment »

Cypress PSoC4 Pioneer kit review

Tuesday, January 21st, 2014

Tayken wrote up a review of Cypress PSoC4 Pioneer kit: I mostly work with microcontrollers and occasionally FPGAs. I already had a PSoC3 board that a Japanese magazine was giving so I had a pretty good idea about what PSoC is. For those of you who are new to the term, PSoC...

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Posted in kit biz | 8 Comments »

Bus Pirate cable and L-Mark LK-320P heat shrink printer

Tuesday, January 21st, 2014

We've been on a multiyear quest to make a durable, affordable, usable probe cable for the Bus Pirate. The one currently sold by Seeed is inexpensive (good) but I've never been a fan of the probe hooks used. I typically use male:female, or female:female individual probe wires sold in bundles...

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Posted in Bus Pirate, Bus Pirate accessories, kit biz | 11 Comments »

Agilent 34461A miniseries part 1 Histogramm and Cdf

Tuesday, December 17th, 2013

Michael Rubitschka writes: Today I received a Agiltent 34461A Truevolt multimeter from Xtest.at the Austrian Agilent distributor. I plan to write some articles about this  multimeter and especially about features which imho separates it from it's competition. I am a Hewlett Packard / Agilent fan but I will try hard...

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Reviewing Dorji’s DSTH01 digital temperature and humidity sensor module

Monday, December 9th, 2013

Raj did a review of Dorji’s DSTH01 digital temperature and humidity sensor module: The DSTH01 module is smaller than 0.4″X0.4″ in dimension and operates at 2.1-3.6V power supply. The pull-up resistors for I2C lines are available on board. I tested this sensor module with Crowduino (an Arduino Duemilanove clone with Atmega328) using...

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Posted in kit biz, sensors | 2 Comments »

Turnigy 9X review – 9 Channel RC transmitter

Wednesday, December 4th, 2013

Oscar Liang did a review of the Turnigy 9X RC transmitter: The Turnigy 9X is one of the best RC transmitters out there at the moment for it’s price. For $60, you’ll get a 9 channel transmitter (8 usable), a receiver and a bind plug, but with no battery. I have been...

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Digitstump’s Black Friday sale

Thursday, November 28th, 2013

Ihsan informs us of Digitstump’s Black Friday sale: We are pleased to announce that Digistump.com will be offering some amazing deals for Black Friday thru Cyber Monday - while we can't compete with the big stores, because we don't have 2-3x mark-up like they do, we hope these deals will help you...

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Posted in Holiday, kit biz | No Comments »

Pololu Black Friday sale

Sunday, November 24th, 2013

Ryan from Pololu informs us about their biggest Black Friday sale: Pololu Robotics and Electronics is having its biggest Black Friday sale yet, discounting hundreds of sensors, actuators, motor controllers, and other robot parts by 30% to 60% and offering an additional 11% to 15% off orders over $100! Buy...

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Posted in Holiday, kit biz | No Comments »

Seeed Studio’s new PCB assembly prototype service

Thursday, July 25th, 2013

Seeed Studio PCBA prototype service testing:     Appreciated you use our fusion PCB service before. For greatly increase your efficiency for your product design from prototype stage, it bring a new service for your check. We are going to launch a new service online at the end of July—PCB assembly...

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Posted in kit biz, News, PCBs | 23 Comments »

Quick test of the PS-305D PSU

Friday, July 19th, 2013

Mats did a review of the PS-305D PSU he bought from Smart-Prototyping: I ran some basic measurements on the PS-305D (Linear 0-30V/0-5A, 1mA Display) I recently bought from Smart-Prototyping.The internal volt meter in the PSU seems reasonably well calibrated.Then I tested the Constant Current capabilities with having a direct short...

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Posted in kit biz | 11 Comments »

Decade resistor box with jumpers

Wednesday, July 17th, 2013

Mats informs us of GerrySweeney's  inexpensive Decade programmable resistor: I bought this 7-decade resistor box from Gerry Sweeeney for $18. It's a really nice little cheap tool - much cheaper than the models with switches or thumbwheels that usually are 5-10 times as expensive as Gerrys version.

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Talking Electronics Frequency Counter

Wednesday, July 10th, 2013

John Boxall over at Tronixstuff has a detailed review of Talking Electronics' Frequency Counter: The counter works by using a multi-vibrator using a CD4047 to generate a square-wave at 50, 500 and 5 kHz, and the three trimpots are adjusted to calibrate the output. The incoming pulses to measure are fed to the 4026...

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Posted in kit biz | 1 Comment »

The MAX7219 LED display controller – real or fake?

Thursday, June 27th, 2013

John Boxall over at Tronixstuff has a detailed review of the differences between the real MAX7219 and the others: A few people have been asking me of late, and there’s only one way to find out … so over the last month I ordered eight random “MAX7219s” from different suppliers on...

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Posted in components, kit biz, LEDs | No Comments »

Protostack 40 pin AVR development board and ATMega32A development kit

Friday, June 7th, 2013

Protostack has announced the release of their two newest products, the 40 pin AVR development board and ATMega32A development kit: The board allows you to build microcontroller circuits using the 40 pin AVR microcontrollers.  It measures 127 x 93.98mm, includes a large breadboard style prototyping area and many power supply...

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Posted in AVR, dev boards, kit biz | No Comments »

TS3300 switching regulator coupled with an LDO in same package

Friday, May 31st, 2013

Steve Taranovich has posted this review of the TS3300 switching regulator coupled with an LDO in same package:    Touchstone, with its first analog power management product, has enhanced such a function with the capability to use supply voltages down to 0.6V while still being able to deliver a 75...

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Posted in kit biz | No Comments »

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