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This printed circuit board is perfect for quickly getting your next
Atmel ATtiny26 microcontroller project going. The circuit board includes all connections and footprints for an LP2950 voltage regulator, resonator or crystal, reset circuit, power
jack and switch, RS-232 level converter with DB9 connector, and 10-pin in-circuit programming header. All of the power and I/O lines are brought out to
the edge of the prototyping area for easy access. The picture to the right shows a board with all optional components populated.
To save space, the PCB is designed to have the main microcontroller and
supporting circuitry populated with surface-mount packages. The microcontroller
must be in an SOIC package, and the voltage regulator footprint is for a
DPAK package. The remaining resistors and capacitors are in 0603 packages.
The RS-232 circuitry, reset pushbutton switch, resonator or crystal, power
jack and switch, and in-circuit programming header use through-hole components.
This prototyping board is also available with the
surface-mount components already assembled.
The prototyping grid has pads connected in pairs and triplets for easy circuit building in configurations similar to those you would use on a solderless breadboard. Five longer bus lines simplify distribution of nets with many
connections, such as power and ground lines. All of the prototyping grid
connections are routed on the bottom layer of the board so that they can
easily be cut if necessary, and all of the connections are clearly indicated on the white silkscreen on the top side. The grid can hold up to two
40-pin DIP packages and two 20-pin DIP packages or up to eight 20-pin
DIP packages.
Feature summary
3 x 4 board
High-quality, double-sided PCB with soldermask on both sides
Footprints for SOIC-package ATTINY26 microcontroller and DPAK-package voltage regulator
Holds crystal and two capacitors or 3-pin ceramic resonator with
built-in capacitors
DB9 connector pins brought out so that it can be used for non-RS-232 purposes
Prototyping area
29 #215; 25-hole grid with standard 0.1 spacing (16 holes missing in bottom corners for mounting holes)
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Informazioni aziendali
ROBOT DOMESTICI SRL - Via Cornelio Labeone, 70 - 00174 Roma (RM)
Partita IVA IT15791431008 - REA di Roma n. RM 1614298
CODICE FATTURAZIONE ELETTRONICA: KRRH6B9
Tel. (+39) 06 76971136 | e-mail: info@robot-domestici.it