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$11.45
The SpringRC SM-S4303R is one of the few servos designed specifically for continuous rotation. Th... View »
$5.50
A 50g jar of high quality LodeStar solder paste. This solder paste works exceptionally well and l... View »
$0.09
The 2N3904 is arguably the most widely used BJT NPN transistor. It is inexpensive and works well.... View »
FoxyTronics News
Posted by Nathan House, 18 May 2013
We are giving away a pair of SpringRC SM-S4303R Continuous Rotation Servos. These servos are perfect for small robotics applications and are probably the most popular continuous rotation servos for robotics!
Enter to win here: https://www.facebook...599788450050788
Enter to win here: https://www.facebook...599788450050788
Posted by Nathan House, 17 May 2013
We added a bunch of new products this week, so without further ado here they are!
E-Stop
Let's face it: big red buttons are cool. Ever walked by a big, tantalizing red button and had the uncontrollable desire to leap over and hit it? Well, now you can do that all day long (legally) with this high quality e-stop.
SPDT Slide Switch
This is a basic SPDT slide switch, perfect for use as an ON/OFF switch on breadboards or PCBs.
2-Pin Screw Terminal
These are 2-pin screw terminals with a pin pitch of 0.2" (5.08mm), making them perfect for use on prototyping boards or PCBs. The sides have notches that allow them to be easily connected together. We also sell 2-Pin Screw Terminals if that's more your style.
3-Pin Screw Terminal
These are 3-pin screw terminals with a pin pitch of 0.2" (5.08mm), making them perfect for use on prototyping boards or PCBs. The sides have notches that allow them to be easily connected together. We also sell 2-Pin Screw Terminals if that's more your style.
USB Mini-B SMD Connector
This is a standard USB Mini-B connector in and SMD package.
PCB Angle Bracket
These angle brackets are perfect for mounting PCBs, sensors, and other accessories. The holes are sized for 4-40 screws, with one threaded and one unthreaded hole.
7555 Timer
The 7555 IC is a CMOS RC timer very similar to the extremely popular 555 timer, but is designed to generate less supply noise than the 555.
LM741 Op Amp
The LM741 is a popular general purpose operational amplifier, useful for a wide range of analog applications.
ATmega328P
The Atmel ATmega328P is an inexpensive and very popular 8-bit AVR microcontroller. The ATmega328P has 32KB of program flash memory, 23 I/O pins, and 6 10-bit A/D channels.
ATtiny85
The ATtiny85 is Atmel's very tiny (hence the name) AVR microcontroller. Very popular amongst hobbyists for small projects that don't require a lot of I/O pins, the ATtiny85 is an 8-bit microcontroller with 8KB of program memory, 6 I/O pins and 4 10-bit A/D channels.
SN74HC595N 8-bit Shift Register
The 74HC595 is an easy to use shift register that can easily be used to extend the I/O capabilities of a microcontroller.
SPDT Toggle Switch - 6A ON-ON
These are standard 3-pin SPDT toggle switches, perfect for use as ON-OFF or toggle switches. The toggle switch is ON-ON, meaning that when the switch is flipped one way one of the outer contacts is connected to the center contact, and when it's flipped the other way the other outer contact is connected to the center contact.
E-Stop
Let's face it: big red buttons are cool. Ever walked by a big, tantalizing red button and had the uncontrollable desire to leap over and hit it? Well, now you can do that all day long (legally) with this high quality e-stop.
SPDT Slide Switch
This is a basic SPDT slide switch, perfect for use as an ON/OFF switch on breadboards or PCBs.
2-Pin Screw Terminal
These are 2-pin screw terminals with a pin pitch of 0.2" (5.08mm), making them perfect for use on prototyping boards or PCBs. The sides have notches that allow them to be easily connected together. We also sell 2-Pin Screw Terminals if that's more your style.
3-Pin Screw Terminal
These are 3-pin screw terminals with a pin pitch of 0.2" (5.08mm), making them perfect for use on prototyping boards or PCBs. The sides have notches that allow them to be easily connected together. We also sell 2-Pin Screw Terminals if that's more your style.
USB Mini-B SMD Connector
This is a standard USB Mini-B connector in and SMD package.
PCB Angle Bracket
These angle brackets are perfect for mounting PCBs, sensors, and other accessories. The holes are sized for 4-40 screws, with one threaded and one unthreaded hole.
7555 Timer
The 7555 IC is a CMOS RC timer very similar to the extremely popular 555 timer, but is designed to generate less supply noise than the 555.
LM741 Op Amp
The LM741 is a popular general purpose operational amplifier, useful for a wide range of analog applications.
ATmega328P
The Atmel ATmega328P is an inexpensive and very popular 8-bit AVR microcontroller. The ATmega328P has 32KB of program flash memory, 23 I/O pins, and 6 10-bit A/D channels.
ATtiny85
The ATtiny85 is Atmel's very tiny (hence the name) AVR microcontroller. Very popular amongst hobbyists for small projects that don't require a lot of I/O pins, the ATtiny85 is an 8-bit microcontroller with 8KB of program memory, 6 I/O pins and 4 10-bit A/D channels.
SN74HC595N 8-bit Shift Register
The 74HC595 is an easy to use shift register that can easily be used to extend the I/O capabilities of a microcontroller.
SPDT Toggle Switch - 6A ON-ON
These are standard 3-pin SPDT toggle switches, perfect for use as ON-OFF or toggle switches. The toggle switch is ON-ON, meaning that when the switch is flipped one way one of the outer contacts is connected to the center contact, and when it's flipped the other way the other outer contact is connected to the center contact.
Posted by Nathan House, 21 March 2013
Using an HC-SR04 ultrasonic sensor with Arduino explains how the HC-SR04 ultrasonic distance sensor works and how to use it with Arduino.
There are a lot of code snippets out there that can be used to interface the HC-SR04 with an Arduino, but many of them do not work well, and there's not really explanation for why the code works. In this tutorial the theory behind the code is clearly explained. Full example code is provided at the end of the tutorial.
Read more.
There are a lot of code snippets out there that can be used to interface the HC-SR04 with an Arduino, but many of them do not work well, and there's not really explanation for why the code works. In this tutorial the theory behind the code is clearly explained. Full example code is provided at the end of the tutorial.
Read more.
