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Home › Magazines › 2008 › October › ATM18 Relay Board and Port Expander

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ATM18 Relay Board and Port Expander

Have it all your own way

Published in issue 382, October 2008

ATM18 Relay Board and Port Expander
Since time immemorial, people have always wanted to see the effects of their deeds and shown them to others. Among electronics hobbyists and professionals, this often takes the form of wanting to make some action inside a computer visible to the outside world. Today we usually refer to this as ‘regulation and control’ instead of ‘having things your own way’.

Components

Free downloads

ATM18 Port Expansion Board # 080357-5
Passive Components
R1 = 4kO7 (SMD shape 0805)
C1 = 100nF (SMD shape 0805)
Semiconductors
D1 = BAS40-1 (SMD)
IC1 = 4094 (SMD SO16)
IC2 = ULN2803 (DIL16)
Miscellaneous
K1 = 4-way pinheader
K2 = 8- way pinheader
K3 = 10-way pinheader
PCB, bare, order code 071035-5, see Elektor SHOP
PCB with SMD parts mounted, order code 071035-95, see Elektor SHOP

ATM18 Relay board # 080357-6
Resistors
R1-R9 = 4kO7
Capacitors
C1 = 220µF 16V
Semiconductors
D1 = 1N4004
D2-D9 = 1N4148
LED1-LED9 = LED, 3mm diam.
Miscellaneous
JP1 = 10-way SIL socket strip
K1 = DC adapter socket, PCB mount
K3-K10 = 3-way PCB terminal block, lead pitch 5mm
Re1-Re8 = Omron G5LE
PCB, bare, order code 071035-6, see Elektor SHOP
Kit of parts (PCB and all components), order code 071035-72, see Elektor SHOP

Click below to download a PDF copy of this article from Elektor magazine.

 

Downloads 
Article PDF
10 Elektor Credits
PCB PDF
Free download
 

Order from Elektor 
Kit with Relay PCB, incl. all components and relays
071035-72 (USD 73.80)
Port Extension PCB, populated with SMD
071035-95 (USD 26.80)
ATM18 Port Expansion Board, bare
071035-5
ATM18 Relay board, bare
071035-6
 

Free downloads 

Software

Free download
Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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