ATmegaXX8 Target Board specs:

• Overall size 2" x 3.5" (Standard business card size)
• Thickness: 0.031", i.e., 1/32" or 0.8 mm. (Half of standard circuit board thickness.) That's thick for a business card-- like some of the superpremium embossed cardstock ones, but it is pretty thin for a circuit board. It's just thick enough to be reasonably rigid.
• Lead-free (RoHS compliant) construction
• Single-sided pcb design
• Easy to solder gold-plated finish
• FR-4 fiberglass-epoxy board material
• Black solder mask with white silkscreen on both sides

• Fits ATmega8, ATmega48, ATmega88, ATmega168, or ATmega328P microcontrollers
• Individual labels for all 28 pins of the microcontroller
• Three extra access holes connected to every pin of the microcontroller
• Prototyping areas to fit two DIP-14 packages or equivalent.
• Multiple access points for power and ground.
• Analog power supply/reference pins not hardwired to power/ground.
• 6-32 clearance mounting holes provided at each corner
• Accommodates 3-pin ceramic resonator or crystal oscillator with capacitors.

ATmegaXX8 Target Boards are available as single boards, or in a 5-pack:

Also available: the ATmegaXX8 Mini development kit, which has a ATmegaXX8 Target Board and some other parts to help you get started:

The ATmegaXX8 Mini development kit Includes the following components: ATmegaXX8 Target Board ATmega168 microcontroller* 28-pin DIP socket 6-pin header Wire jumpers (3) (*Also now available with an ATmega328 microcontroller!)

Get ATmegaXX8 Target Boards!
Printed circuit boards (a la carte for your prototyping pleasure).

ATmegaXX8 Target Board	$4.75
ATmegaXX8 Target Board, 5-pack	$18.75

Get ATmegaXX8 Mini Development Kits!
Printed circuit board plus the components described above: ATmega168 Microcontroller, 28-pin DIP socket, 6-pin header, and wire jumpers. Two different upgraded kits are available as well: The ATmegaXX8-328 version includes an extra-spiffy ATmega328P in place of the '168, and the ATmegaXX8-ZIF version has an ATmega168 and a 28-pin ZIF socket instead of the standard IC socket.

	Price each	Price each (3+)	Buy
ATmegaXX8 Mini Dev Kits	$12	$10
ATmegaXX8-328 Mini Dev Kits	$15	$13
ATmegaXX8-ZIF Mini Dev Kits	$15	$13

6-pin breakaway headers, gold, 2x3 Dual Inline
Like the ones that come with the kits. Sold in sets of ten.

Headers, 6-pin DIP, 10-pk	$4.50

Battery boxes: 2xAA
Black plastic battery boxes with cover, switch, and pre-stripped 6-inch red/black wire leads. Each holds two of your favorite AA cells. Sold in sets of five.

Battery box, 2xAA, 5-pack	$7.50

Battery boxes: 3xAA
Black plastic battery boxes with cover, switch, and pre-stripped 6-inch red/black wire leads. Each holds three of your favorite AA cells. Sold in sets of two.

Battery box, 3xAA, 2-pack	$3.50

28-pin ZIF Sockets
By the each or by the set of four. Surplus items in new condition. Read more about these on their product page here.

Socket, 28-pin ZIF, Each	$4.00
Socket, 28-pin ZIF, 4-pk	$12.00

ATmega328P-20PU microcontrollers, a la carte
28-pin DIP (through-hole) package. Brand new, limited quantity.
Sold by the each or package of 5.

ATmega328P Microcontroller (1)	$5.00
ATmega328P Microcontrollers (5)	$21.50

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Lead Free
ATmegaXX8 Target Boards and other electronic components listed on this page are all RoHS compliant (lead free). (Possible exception: ZIF sockets, which are surplus items.) Working with these parts, you'll find that everything works well with either regular or lead-free solder-- whichever you care to use.