Quantcast
Channel: SparkFun Electronics Comments
Browsing all 44542 articles
Browse latest View live

pcDuinoer on DEV-11712 - pcDuino - Dev Board

Please create one bootable SD card from the following link: http://www.pcduino.com/?page_id=14Find this one: [•Ubuntu SD Boot Image, Release Note, 04-04-2013]You can setup one SD card to make sure the...

View Article


Customer #394180 on KIT-11561 - RaspiRobot Board

I went ahead and yanked that wimpy regulator, connected the input to output and fed the board with 5V. Everything worked great. Some measurements showed that with both motors running, along with the...

View Article


Customer #378294 on SEN-10972 - pH Sensor Kit

Can anybody help me? I want to convert the pH-String in “sensorstring” in a float-type. Have anybody a code-snippet?

View Article

Customer #374870 on DEV-11114 - Arduino Pro Mini 328 - 3.3V/8MHz

Does this board have a resonator or crystal? The schematics suggest a crystal, but some sources say it has a ceramic resonator (but the original mini’s had a crystal resonator). There is a part on the...

View Article

Customer #426311 on SEN-00245 - One Wire Digital Temperature Sensor - DS18B20

Is there a wider range available?, I’m looking to measure up to 200ºC

View Article


Customer #240311 on WRL-10822 - RN-XV WiFly Module - Wire Antenna

I’m having a strange behavior with this module. When it turns on all LEDs are blinking, then after 3-5 seconds green LED goes dark solid. I’m unable to enter in config mode (with $$$ via command line)...

View Article

Customer #426340 on DEV-11773 - Gertboard

Yes! The long single row header at the bottom of the board (GP0~GP25) gives you full access to all of the GPIO signal pins (3V3, 5V and GND are broken out elsewhere).I2C-1 will be pins GP0 (SDA) and...

View Article

Customer #55947 on SEN-08419 - RFID Reader ID-12 (125 kHz)

There’s an alternative product that can read both 125 and 134 kHz tags available from http://www.priority1design.com.au , which also offers a wide range of RFID receivers for various protocols.

View Article


Customer #410829 on BOB-10859 - L6470 Stepper Driver Breakout

Hi guys,I just plain need help here. Please don’t respond with “If you don’t know what you are doing then, don’t try it”, because nothing is more bothersome than someone telling me not to seek help.Has...

View Article


Customer #110404 on COM-11441 - 7-Segment Serial Display - Red

Is it possible to use one of these to control another of the same displays I2C? I’d like to make a 12 digit display, wondering if I need a separate ATMEGA/Arduino.

View Article

SXRguyinMA on Cambridge Bound!

Are you guys going to add a second session to the hacking simon class as you did with the soldering class?

View Article

CupricReki on ROB-09065 - Servo - Small

How much current do these draw at 6v? I need to know what size resistor to use with a 9v supply.

View Article

timothy1324 on DEV-09476 - WIZnet Serial-to-Ethernet Gateway - WIZ110SR

Is there a voltage range for input voltage on the WIZnet? I have a ton of 12 volt adapters for old routers that fit the dc jack perfectly, but I don’t know if I should try to use them as I might burn...

View Article


Customer #64935 on COM-08310 - RFID Tag (125kHz)

You can try CoreRFID

View Article

teddy on BOB-00718 - Breakout Board for FT232RL USB to Serial

Is it my browser, Firefox with Foxit, or is there a problem? I see solder pads, but NOT the schematic!Never mind….it was Foxit plug-in

View Article


Customer #420735 on ROB-08449 - Vibration Motor

if im making a vibrobot that requires other components to run at 6 volts, can i just use PWM to power these without burning them out?

View Article

raygeeknyc on WRL-11713 - pcDuino - WiFi Dongle

Does anyone actually have this working? When I plug mine in, whether or not I bring up the wlan0 interface, I get the following log entries in dmesg every few secondsdweeno kernel: [ 5768.434503]...

View Article


Customer #122644 on COM-11441 - 7-Segment Serial Display - Red

I created a library to easily print floating point numbers with these displays last year: https://github.com/joshvillbrandt/Serial7.

View Article

Customer #424333 on PRT-09749 - JST Right-Angle Connector - Through-Hole 2-Pin

I agree, I don’t see this in the SFE library.

View Article

ScottFisher on RFID USB Starter Kit Quick Start Guide

Terrific guide, that’s much appreciated! Is it a problem if my reader doesn’t make a buzzing sound when it reads the RFID card? The ‘read’ light does light up, and a 12 digit serial pops into the...

View Article
Browsing all 44542 articles
Browse latest View live