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FREEDUINO (Arduino(R) Compatible) Products

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Totally Open Arduino-Compatible Hardware Development

[The pictures below may be clicked to enlarge]

Bare Bones Board (Rev D) an Arduino Clone

Bare Bones Board (Rev C) an Arduino Clone

FKit - breadboard setup, powered by and programmed by the
FTDI USB TTL-232RL cable. Can be a Rev D or a Rev C (with
simple auto-reset mod) Power is fed to the breadboard rails
by two pins just out of sight behind the LED on the right.

FKit with Rev D board and P4 serial adapter (auto-reset
capable) with HVW Breadboard power supply

FKit with Rev C board and P3 serial adapter with
HVW Breadboard power supply

Rock Bottom Freeduino Kit - chip, crystal (and caps),
reset switch and pullup resistor. Can be used on
breadboard or a prototyping board. Can come bundled
with P3 (not shown) or P4, Breadboard Power supply,
and/or breadboard

Really Bare Bones Board (Rev A) an Arduino Clone

Rock Bottom FKit Plus (RBFK+) boards based on the new RBBB
has full on board power supply and is fully auto-reset capable

Rock Bottom FKit Plus unit fully populated and setup
to read temperature from a DS18B20 One-Wire(tm) [in
blue heatshrink] sensor and display. The project is
totally powered by the on board voltage regulator of
the RBBB. It is ready for completion, and can be
removed from the breadboard and soldered to a base
board. The project was programmed by a P3 adapter
inserted along the appropriate pins on the breadboard.

Rock Bottom FKit Plus on a breadboard, programmed by
a P3 and powered by the on board power supply, setup to
read and display time and date from a real time clock chip
on the ETT DS1307 miniboard available below. Schematic
for board and Arduino library for DS1307.
(From Matt Joyce - Australia)

Wulfden Freeduino Kit board with a side mounted
Radio Shack p/n 276-150 shield board

Innovations ID-12 RFID Sensor from Sparkfun
on Freeduino board powered and programmed
by FTDI USB cable. See this AppNote
for more details, pictures, code and schematic.

Wulfden Freeduino Kit breadboard mounted with
P3 serial adapter

PayPal Seal

This web page was last updated on Sat, 17 May 08 at 2117 hours

The name "Arduino" is a trademark of the Arduino team. The Arduino team has expressed the desire that the name "Arduino" should be used to refer only to products created and supported by the Arduino team; see the Arduino website for more information.
Many alternatively produced Arduino items are being created under the name Freeduino. The Wulfden and Modern Device products listed below are offered as Arduino compatible items. They are not specifically authorised Arduino products and are not supported or endorsed by the Arduino team.
For more information on the Arduino project, the Freeduino movement within the Arduino world, go to the Freeduino Universe web page.

Wulfden Freeduino Kits - The FKit, the core of most of our Arduino compatible offerings is based upon the Bare Bones Board from Modern Device Company. We also offer a further stripped down line called the Rock Bottom Freeduino. All Wulfden Freeduino devices are fully Arduino compatible. All programs that run on standard Arduino hardware will run on our Freeduino boards

Wulfden has chose the Modern Device design as the basis for it Arduino offerings because we feel it is a superior platform. By separating the programming circuitry from the processor board, our Freeduino (Arduino compatible) products give more bang for your processing buck. A Wulfden Freeduino Kit and an FTDI cable sells for just about exactly the price for which a mainstream Arduino (R) board sells. BUT, a second Arduino board will cost exactly the same, while a second FKit sells for less than half the price of another Arduino board, and then you will reuse the FTDI cable. This carries on for all subsequent FKits. Further, the FTDI cable can be very useful for a number of other projects

Experimenters will find that the layout of the BBB/RBBA boards provides them with more flexibility and allows simple and easy interfacing to breadboards and commonly available prototyping boards as opposed to being tied to expensive, non-standard shield boards.

Despite the Bare-Bones name, the BBB is a full featured Arduino compatible that includes all the functionality of the Arduino Diecimila. The latest revision even includes some analog noise-reduction features not found on other Arduino boards. The Breadboard-friendly options on the BBB are also not found on other Arduino boards.
Auto-reset and Diecimila bootloader for "one-click" downloads and faster times to get to the sketch. Software chip resets.
Can use male header pins on bottom to insert directly into solderless breadboards, saving a lot of wiring and fuss.
Analog inputs have adjacent +5V and Ground buses to make interfacing sensors easy.
Flexible power options USB/External, onboard voltage regulator that can be used with either TO92 or TO220 voltage regulators.
Convenient pins to power, (or draw power from) breadboard power buses, a jumpers and shunts allows easy switching between power options.
Documentation for the Freeduino Kit - 4.1 MB - it was last updated on Sun, 10 Feb 08 at 1835 hours - It assembly instructions, schematics, etc for the Freeduino Kit . Included in the manual is the Modern Device manual for the BBB.
Complete documentation for the FKit, RBFK, and the FKit Development Set Manual - 2.5 MB - it was last updated on Sun, 10 Feb 08 at 1830 hours - It includes general documentation for the Freeduino Kit as well as the various subparts of the Development set. Included in the FKit manual is the Modern Device manual for the BBB in the Wulfden FKit.
Purchasers of the one of the bundles with a display will want to download the manual for the K107 LCD Controller - 2 MB - last updated on Thu, 01 May 08 at 0130 hours
Purchasers of the one of the bundles with a P3 or P4 Serial Programming adapter will want to download the P3/P4 Assembly Manual - 2 MB - last updated on Fri, 11 Apr 08 at 1558 hours
You are going to need to download the Arduino software, which is a complete Integrated Development Environment (IDE) written in Java and available for Windows, Mac, and Linux.
If you are using the FTDI USB cable, I strongly suggest visiting the site and downloading the most recent drivers, as of Sept. 2007 the following links are the most recent.
- Windows XP/2000/Vista
- Mac OS X PPC
- Mac OS X Intel, v 10.4 or higher
- Linux v2.4 or lower kernel only!
The manual for the FTDI USB TTL-232R cable is available for download here.
If you have a Linux computer, and you have a 2.6 kernel, the driver is built-in and you are good to go. You can always run uname -a to get the kernel version.

Wulfden Freeduino Kit Bootloader - beginning 10/1/2007 all our kits will ship with the ADABOOTloader burned into the ATmega168 chip. Limor Fried (a.k.a "Lady Ada") of AdaFruit Industries has taken the basic Arduino(R) NG bootloader, cleaned up some of the uglies, added a number of the best features of the newer Diecimilia (R) bootloader, all the while retaining the ability to be used with homebrewed programming interfaces. Wulfden has combined these features into a single coherent universal bootloader that can be used across all of our kits with or without auto-reset enabled and is compatible with all Arduino(R) software. For more information and links o source, make, and hex files go to our ADABOOT webpage.

Wulfden Freeduino Kit - Rev. C or Rev. D ??? - shortly after the Rev C BBB board came out the Arduino team released Arduino 0009 which supported Auto-Reset in the newly released Arduino Diecimilia (tm) board. In earlier versions the programmer had to manually push the reset button and then start the sketch download. In 0009 now a signal was sent down to the new boards or modifed older boards that reset the processor and immediately began the sketch download. The Rev C board, if used with the recommended FTDI USB TTL to serial cable can be easily modified (either at build time or after the fact) to handle auto-reset. The modification for a RS232 serial programmer is not so clean.

The Rev D BBB board differs from the Rev C board in two ways only. (1) a position for a cap and traces to facilitate auto-reset via the FTDI cable were added. (2) The RESET line was brought forward and added to the front row of pins to facilitate use of a serial adapter

Use of the Rev C board with a serial adapter costs an extra 10-20 seconds each time you download a sketch and you must manually hit reset. In a development environment this is annoying and time consuming, especially during heavy debug cycles. However, in a runtime environment, download once and let it run. it is inconsequential. Modern Devices no longer has any Rev C boards. Wulfden something just under 200 Rev C boards left in stock here that are now being made available at a reduced price (approx $2 off) as bare boards and complete FKits

Rock Bottom Freeduino Kit - assuming you have power, breadboards, computers etc, but just want to give Arduino a try this will get you started for pennies! The Rock Bottom Freeduino Kit Plus is the RBFK plus a Really Bare Bones Board and its necessary components.

ATmega168-20PU - with the bootloader
pushbutton reset switch and 10k pullup resistor
16.0000 MHz crystal and 2 - 20 pf capacitors
28 pin socket
the RBFK Plus kit adds the RBBA pcboard, adds two filter caps, a bypass cap,voltage regulator and all the connectors
The schematic for the RBBA board is available.

CUSTOMER EMAIL ADDRESSES - when you place an order with us here at Wulfden you need to supply us with a real email address for an account that is checked daily. Increasingly we get orders from dummy email addresses that are used just for PayPal and rarely/never checked. Thus, when something is not clear in an order and I attempt to remedy the situation I get no answers. I take no responsbility for your order beyond the face value of the PayPal order under these circumstances. A number of you have cute little traps set requiring secondary response to get mail through to your address. I do not play that game! Make <brianbr@wulfden.org> able to pass your trap.

ORDER CONFIRMATION - Your PayPal receipt is your order receipt confirmation. Please consult the Shipping Status List (last updated on Sat, 17 May 08 at 1402 hours) your order status as pending, packed and/or has been shipped. All shipping is by US Postal Service (First Class Mail - domestic, Air Mail - foreign)

If you are located outside of North America and your order totals less than $50 USD, please click here for the five dollars USD ($5.00) surcharge for shipping. This is a one time fee per order.

If you are located outside of North America, and your order totals over $50 USD please click here for the eighteen dollars USD ($18.00) surcharge for priority shipping and insurance. This is a one time fee per order.

If you are located within the USA, you may request US Postal Service Priority Mail shipping (2-3 day delivery) for five dollars USD ($5.00) surcharge. This is a one time fee per order. If the shipping fee for any item in your order is marked with an asterisk ("*" or "*pp"), the item is already set up for Priority Mail shipping and there is noneed to add this surcharge.

Prices below are displayed in this format [ $4 + $2 ] The number in red is the price of the item(s) and the number in black is the Shipping and Handling charges added to the item price

PayPal orders are generally sent within a day. You may order by mail with a Postal Money Order or a personal check; they must be made out in "US Funds." Orders paid by check will be held five days after receipt. Make checks or money orders out and send to:

Brian Riley
PO Box 188
Underhill Center, VT 05490

Arduino Resources DVD	DVD (currently containing over 1GB) with the latest Arduino, Wiring, Processing and Pure Data software in all three formats, Linux, MacOSX, and Windows. In addition, there is a collection of third party Arduino libraries and a raft of sample software. There's over 100 MB of PDF files containing reference materials, articles, tutorials and general interest material for Arduino. There is a folder of relevant data sheets for the Arduino processors, related devices and peripherals. This disk is included FREE with any Freeduino order totalling over $50					Arduino Resource DVD $5
Rock Bottom Freeduino Kit (see pic to right)	This kit has the plain basics for a beginner wanting to experiment without a big investment, or an old timer wanting to build a basic runtime Arduino board. Consists of an ATmega168 with the latest Arduino bootloader, 28 pin socket, 16 MHz crystal with 2x20pf caps, pushbutton reset switch with 10K pullup resistor.		RBFK Qty = 1 $7 + $2	RBFK Qty = 3 $18 + $3	RBFK Qty = 5 $30 + $4	RBFK Qty = 10 $56 + $4
The default resonant element supplied with the RBFK is a 16 MHz crystal with 2 20 pF caps. This is because it lends itself to being easily setup on a breadboard. I will, upon request, substitute a 16 MHz 3 pin ceramic resonator for the crystal and caps. Just put your request into the notes to the seller area on your PayPal order, or in writing on mail orders
Rock Bottom Freeduino Kit with RS232 programming adapter	Rock Bottom Freeduino Kit bundled with RS232 serial programming adapter P3 or P4 (auto-reset capable)				RBFK and P3 $9 + $2	RBFK and P4 $10 + $2
Rock Bottom Freeduino Kit (Bundles)	Rock Bottom Freeduino Kit bundled with RS232 serial programming adapter P3 or P4 (auto-reset capable), 860 hole breadboard and breadboard power supply				RBFK/P3 Bundle $23 + $4	RBFK/P4 Bundle $24 + $4
Really Bare Bones Board PCB				Qty=1 $2.50 + $2	Qty=3 $6 + $2	Qty=5 $9 + $2
Rock Bottom Freeduino Kit Plus see pics to right	This is the RBFK from above with a Really Bare Bones Board (RevB) pcb and a voltage regulator, two filter caps, a bypass cap, resistors, and all connectors. This comes with the 16 MHz resonator instead of a crystal.			RBFK+ Qty = 1 $12 + $2	RBFK+ Qty = 3 $33 + $4	RBFK+ Qty = 5 $53 + $5
Rock Bottom Freeduino Kit Plus (Bundles)	Rock Bottom Freeduino Kit Plus bundled with RS232 serial adapter P4 or FTDI USB cable, and 860 hole breadboard				RBFK+/P4 Bundle $23 + $4	RBFK+/FTDI Bundle $38 + $4
Bare Bones Board (RevC) pcb only On sale			Qty=1 $2.50 + $2	Qty=3 $7 + $2	Qty=5 $11 + $2	Qty=10 $22 + $3
Bare Bones Board (RevD) pcb only			Qty=1 $5 + $2	Qty=3 $13 + $2	Qty=5 $20 + $2	Qty=10 $37 + $3
Wulfden Freeduino Kit (FKit) Rev C see pics to right	This is a complete kit for an Arduino compatible using the BBB Rev. C board. It does not include a programming interface, they are available separately.		FKit(RevC) Qty = 1 $13 + $2	FKit(RevC) Qty = 3 $37 + $3	FKit(RevC) Qty = 5 $58 + $5	FKit(RevC) Qty = 10 $100 + $10*
Wulfden Freeduino Kit (FKit) Rev D see pics to right	This is a complete kit for an Arduino compatible using the BBB Rev. D board. It does not include a programming interface, they are available separately.		FKit(RevD) Qty = 1 $15 + $2	FKit(RevD) Qty = 3 $42 + $3	FKit(RevD) Qty = 5 $65 + $5	FKit(RevD) Qty = 10 $110 + $10*
Wulfden Freeduino Kit (RevC) with serial programming adapter	This is a complete kit for an Arduino compatible using the BBB Rev. C board and an FTDI USB Cable or P3 RS232 Programming Adapter				FKit(RevC)/P3 $15 + $2	FKit(RevC)/FTDI $32 + $3
Wulfden Freeduino Kit (RevD) with serial programming adapter	This is a complete kit for an Arduino compatible using the BBB Rev. D board and an FTDI USB Cable or P4 RS232 Programming Adapter				FKit(RevD)/P4 $18 + $2	FKit(RevD)/FTDI $34 + $3
Wulfden Freeduino Kit (Bundles)	This is a complete kit for an Arduino compatible using the BBB Rev. C or D board and programming adapter plus 860 hole breadboard and breadboard power supply. (power supply not needed and not supplied with FTDI cable version)			FKit(RevC)/P3 Bundle $29 + $4	FKit(RevD)/P4 Bundle $32 + $4	FKit(RevD)/FTDI Bundle $41 + $4
The following items are priced based as add-ons to the FKit/RBFK bundles. Orders for just the add-ons without ordering one of these bundles will be returned!
2x16 Miniature Display Bundle			This offering is a complete K107 Kit (board, chip, parts, and cable) bundled with a used, new Hantronix backlit miniature high contrast 2x16 display. Also included are an adapter board for the FFC ribbon connector and mounting hardware for the display to the K107			2x16 Display Bundle (19200 baud) $23
2x24 Display Bundle			This offering is a complete K107 Kit (board, chip, parts, and cable) bundled with a used, like-new non-backlit 2x24 display			2x24 Display Bundle (19200 baud) $22
4x20 Backlit Display Bundle			This offering is a complete K107 Kit (board, chip, parts, and cable) bundled with a new, high contrast, Dark Gray letters on yellow green back ground 4x20 LED Backlit display. It will mount using a 1x16 straight pin header (supplied with kit) and connecting cable.			4x20 Display Bundle (19200 baud) $28
4x20 Backlit Display Bundle			This offering is a complete K107 Kit (board, chip, parts, and cable) bundled with a new, very high contrast, White letters on Blue back ground 4x20 LED Backlit display. It will mount using a 1x16 straight pin header (supplied with kit) and connecting cable.			4x20 Bl/Wht Display Bundle (19200 baud) $32
FTDI USB Programming Cable	This is the FTDI TTL-232R(5) cable with the USB-serial circuitry in the USB "A" end and a 6 pin .100" socket header at the other end. It implements TxD, RxD, RTS, CTS and supplies up to about 300 ma of 5 volt current. The FTDI Driver correctly responds to the AutoReset signal in Arduino-0009 by flagging RTS instead of DTR (in Mac/Linux its enabled, in Windows you need to enable). You may download the manual here.					FTDI Cable $20
P3 - Serial Programmer	A serial level adapter from RS232C to TTL compatible with the pinout of the BBB for loading sketches. Can also be used as a simple level shifter for other serial ports. See P3 webpage details, bare pcbs and other purchase options.				Qty = 1 $3	Qty = 3 $8
P4 - Serial Programmer w/DTR support	Essentially a P3 with a DTR ciruit through a cap for autoreset enabled RBFK/FKit boards . Can also be used as a simple level shifter for other serial ports. See P4 webpage details, bare pcbs and other purchase options.				Qty = 1 $4.00	Qty = 3 $11
Experimenter's Pack #1	An assortment of items to get you started. Ten each of three common values of resistors, three sets of precision resistors to make a voltage divider to scale 0-16 volts to 0-5 volts for a2d measurements, some small bypass caps and electrolytics, several push buttons with pullup resistors and a pair of red LEDs with built in series resistors					Qty=1 $3.00
Experimenter's Pack #2	An assortment of items to get you started. It includes the contents of Experimenter's Pack #1 and a DS18B20 One-Wire(tm) temperature sensor and cable, a piezo sounder, a potentiometer, a bettery harness and a power connector block, several diodes, small signal and power, and several switxhing transistors -					Qty=1 $10.00
BreadBoard Power Supply	Breadboard Power Supply Kit from HVW Technology with a thermalloy heatsink and a mounting screw added by Wulfden (see pics to right). Takes in 7-12V (7-9V recommended) and puts out 5.00 V. Standard 2.1x5.5 mm coaxial power receptacle				Qty=1 $7.50	Qty=3 $21
Mini-BreadBoard	MiniBreadboard, top quality, standard .100" spacing, 17 rows of 5 hole and 5 holes, 170 total contact points, size is 1.8" L by 1.35" W, peel off adhesive on base.				Qty=1 $4	Qty=3 $10
Single Panel BreadBoard	Single Panel Breadboard, top quality, standard .100" spacing, 860 total contact points, two terminal buss strips, size is 6.5" L by 2.125" W				Qty=1 $8	Qty=3 $21
Arduino Data Logging Accessoriess	For products concerned with data logging such as Real Time Clocks, serial EEPROM memory boards and a complete data logging solution, see the new Data Logger page
DS18B20 12 Bit Temperature Sensor	The Dallas Semiconductor DS18B20 One-Wire 12 bit temperature sensor in a TO-92 case that PICAXE(R) firmware is designed to work with. Their are currently ~~135~~ 51 units available for immediate shipping. The Data Sheet is available for this sensor.
DS18B20 12 Bit Temperature Sensor	Qty = 1 $4	Qty = 2 $8	Qty = 3 $12	Qty = 4 $15	Qty = 5 $18	Qty = 6 $21
Servo/LCD/Sensor Cable	Black/Red/White 14" (35 cm) cable, with .100 spaced female sockets (Molex KK) both ends plus 3 pin double male header/adapter to act as a gender bender. This cable is perfect for connecting a DS18B20 sensor in TO-92 case to a processor board or breadboard to make off-board measurements. I stock this cable as a conveniece. I will *only* sell small quantities with orders of K107's, FKits, DS18B20's etc at the time of purchase of these items. This cable is not for sale by itself. Any order for just the cable or cables will be returned and refunded.
Servo/LCD/Sensor Cable						Qty = 1 $1.50

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