Grégory Ester
About the article

Versatile Board for AVR Microcontroller Circuits

Platino, the greatest star of the support act

Versatile Board for AVR Microcontroller Circuits

The name Platino is a playful reference to the French and German word ‘Platine’ meaning ‘circuit board’, with a slight wink at ‘Arduino’. The goal of this project was to design a PCB that would be useful for many applications based on Atmel's ATmega MCUs that may need an LCD and/or push-buttons and that can be easily programmed using WinAVR, AVR studio, BASCOM, Mikro-C or Arduino. The dimensions of the board are adapted to a standard Bopla enclosure so it is easy to finalise a project properly.


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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.

Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

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Download the BOM list
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component list
Resistors (5% 0.25W axial 10 mm)
R2,R3 = 47R
R13 = 100R
R1, R8, R9 = 470R
R11 = 4.7k
R4, R5, R6, R7, R10, R12 = 10k
P1 = 10k preset, horizontal

C1, C2 = 22pF, 2.5mm
C4 = 10nF, 5mm
C3,C5,C6 = 100nF, 5mm
C8 = 1uF 35V, radial, 2.5mm
C9 = 10uF 35V, radial, 2.5mm

L1 = 10uH, axial, 10mm

D2 = 1N5817 (Schottky)
D1 = LED, RGB, 5mm (e.g. Kingbright L-154A4SURKQBxxxx)
T1 = BC547C (TO-92)
IC3 = 7805 (TO-220)

IC1 = DIP40 IC socket
IC2 = DIP28 IC socket, lead pitch 7.62mm
X1 = 16MHz quartz crystal, CL=18 pF, HC-49S case
BUZ1 = buzzer, 12mm diam., through-hole, 6.5mm lead pitch
S1,S2,S3,S4 = Multimec 3FTL6 push button
SW1,SW2 = Alps EC12E2424407 rotary encoder
K1 = 10-way socket, SIL, 0.1" pitch, straight
K2 = 6-pin pinheader, SIL, 0.1" pitch, straight
K3 = 6-pin (2x3) pinheader, 0.1" pitch, straight
K4, K5 = 8-way socket, SIL, 0.1" pitch, straight
K6, K7 = 6-way socket, SIL, 0.1" pitch straight
K8 = 3-pin pinheader, SIL, 0.1" pitch, straight
K9 = 16-way socket, SIL, 0.1" pitch, straight

Enclosure: Bopla ref. # 26160000


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