Customer #143107 on Engineer Thursday - Bring on the Lasers!
Here’s my version of a laser warning sign: (http://img.photobucket.com/albums/v239/jpelletier/Autres/WarningJamesBondLaser.jpg)
View ArticleCustomer #448741 on PRT-10161 - USB LiPoly Charger - Single Cell
Hi guys Firstly, I am a noob to electronics, so don’t get annoyed by my stupid questions:) I just wanted to know 2 things: 1. How exactly do you use a solder jumper 2. How does the charger indicate...
View Articledext3r on New Product Friday
Haha, this troll…member since 2010. How cute. Try 2006, when there was no such thing as a New Product Friday. I have watched this company grow over the past 7-8 years and the future still looks bright....
View ArticleCustomer #436671 on SEN-09375 - Force Sensitive Resistor 0.5"
hello, i am about to create a device with FSR and Arduino to measure ball kicking impact force, where the FSR will be place at the suitable contact area. as i read in several article said that this...
View Article172pilot on SEN-11836 - Fingerprint Scanner - 5V TTL (GT-511C1)
I think you’re basically right, but the “some sort of matching algorithm” is the problem… I don’t think it’s documented as to what you can do with that data, other than to store it externally and...
View ArticleCustomer #440901 on GPS-11058 - Venus GPS with SMA Connector
I’m having a curious problem. I’m trying to connect this guy to a Byonics TinyTrak3 for a HAB project. The tiny track only understands NMEA0183 in RS232 and 5v TTL, so I connected a 5v-3.3v level...
View ArticleCustomer #399355 on COM-11323 - EL Sequencer
Mike, just wanted to let you know that I got it to work with the Xbee. Only problem I’ve run into is distance. Currently I can only cover a 3ft gap between computer and xbee. Even then the connection...
View ArticleToni_K on Engineer Thursday - Bring on the Lasers!
Hah, we need some of those around SparkFun.
View ArticleCustomer #441724 on ROB-11699 - Big Easy Driver
Recently I just bought a Big Easy Driver and a stepper like this https://www.sparkfun.com/products/10847. I connected 4 stepper wires(green, black, red and blue) to the BED. Then I connected to M+ and...
View ArticleCustomer #448805 on Using OpenSegment
Very nice component. How can I change the default l2C address? I need to pilot 2 display at the same time.
View ArticleCustomer #444451 on COM-08033 - Button Pad 4x4 - Breakout PCB
I’m using this with these LEDs: https://www.sparkfun.com/products/9264. However, the holes in the PCB are spaced farther apart than the leads are on the LED… Does anyone have any suggestions to get the...
View Articlegideon on ROB-11593 - Rover 5 Motor Driver Board
Has anyone managed to get this working (and the rover 5 platform) working with a Raspberry Pi? Is it too difficult?
View ArticleCustomer #447770 on KIT-09612 - Audio Amplifier Kit - STA540
I just received this kit in the mail. Instead of 3x 1.0k Ohm resistors – I got three 240 Ohm resistors. I suppose I could go to radio shack – but kind of sucks!
View ArticleCustomer #338104 on PRT-11231 - Power Cell - LiPo Charger/Booster
I thought I might be able to power an Arduino Due with this, but am skeptical after giving it a try.I loaded the “fade” sketch and had an 10mm LED and 220kΩ resister on pin 9, soldered the 3.3V jumper...
View ArticleCustomer #152828 on DEV-10628 - MP3 Player Shield
Is there any problem running a 4 ohm speaker via the speaker output on this shield?
View ArticleCustomer #448833 on COM-11059 - Missile Switch Cover - Carbon Fiber
Im looking to use one of these with https://www.sparkfun.com/products/10545 momentary toggle switch. mOn/off/mOn. Does the cover push the switch to an on position? If so, would it be possible to cut...
View ArticleAlexei on COM-11232 - AVR 14 Pin 20MHz 8K 12A/D - ATtiny84
And that’s the wiring for programming it with Arduino: http://www.instructables.com/id/Full-Binary-Clock/step5/Programming-the-ATtiny84/ I tried programming it with Tiny AVR Programmer...
View ArticleCowboyBob on WRL-11217 - XBee 2mW PCB Antenna - Series 2 (ZigBee Mesh)
If you’re doing I/O sampling, lower the value of your IR setting. Also make sure that some of those extra packets aren’t join notifications by setting JN=0. I have noticed that whatever Xbee uses as a...
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