Usb experiment interface board k8055n illustrated assembly manual h8055n'ip'1 total solder points: 313 difficulty level: beginner 1 2 3 4 5 advanced interface your computer with the world using 5 digital in– and 8 outputs, 2 analogue in-and outputs..
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3 minimum system requirements: 1 ghz or faster 32-bit (x86) or 64-bit (x64) processor usb1.1 or higher connection windows xp or later specifications 5 digital inputs (0= ground, 1= open) (on board test buttons provided) 2 analogue inputs with attenuation and amplification option (internal test +5v p...
4 1. Assembly (skipping this can lead to troubles ! ) ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 make sure you have the right tools: a good quality soldering iron (25-40w) with a small tip. wipe it often on a wet sponge or...
Do not blindly follow the order of the components onto the tape. Always check their value on the parts list! Remove them from the tape one at a time !.
6 construction d1 : 1n4148 d2 : 1n4148 2. Diodes, check the polarity ! D... Cathode j 1. Jumper 3. Resistors r1 : 680 (6 - 8 - 1 - b) r2 : 680 (6 - 8 - 1 - b) r... R3 : 680 (6 - 8 - 1 - b) r4 : 680 (6 - 8 - 1 - b) r5 : 680 (6 - 8 - 1 - b) r6 : 680 (6 - 8 - 1 - b) r7 : 680 (6 - 8 - 1 - b) r8 : 680 (6...
7 construction ic1 : 14p ic2 : 18p ic3 : 28p ic4 : 18p 8. Ic sockets. Watch the position of the notch! C7 : 100nf (104, 0.1, u1) c8 : 100nf (104, 0.1, u1) c9 : 100nf (104, 0.1, u1) 4. Ceramic capacitors ld1 ld2 ld3 ld4 ld5 ld6 3mm red ld7 ld8 ld9 ld10 ld11 6. Led’s. Watch the polarity! Ld1 cathode s...
8 sk2 : 2p sk3 : 2p sk5 : 2p sk6 : 2p 11. Header construction x1 : 4mhz 14. Quartz crystal x... Sk1 : 3p sk4 : 2 x 3p sk8 : 5 x 3p 15. Screw connectors c10 : 4,7µf c11 : 10µf 13. Electrolytic capacitor. Watch the polarity ! C... Sk7 : cc089 12. Usb connector vr1 : lm317 16. Voltage regulator ic1 : t...
9 mount the rubber feet on the solder side of the pcb, see fig 1.0. 19. Rubber feet fig. 1.0 construction the analogue inputs a1 and a2 have a standard range of 0 ~ +5vdc. To use them externally, remove the jumper caps on sk2 and sk3. The internal 5v voltage source can only be used for testing purpo...
10 20. Connection / settings connection / settings if the jumper is mounted, then you can use the internal voltage and adjust it using rv2/rv1. If the jumper is not mounted you must use the external voltage a2/a1. - + dc voltage 5 ... 30v 2 an alo g inputs 5 digita l inputs test buttons address sele...
11 select the correct address in the test program digital outputs : 8 open collector contacts, to be connected with suitable inputs. These exits function as ‘dry contact points’: you need an external voltage to control a component such as a led or a relay switch. Analogue outputs : 2 analogue output...
12 the message "card x connected" is displayed if the connection is successful you can now simulate the inputs via push buttons inp1 through inp5. The matching check box remains ticked off as long as you keep one of the push buttons pressed down. Always tick off the check box for the matching output...
13 22. Connection scheme connection scheme i1 gnd i2 i3 i4 i5 digital input example analog input example + a2 - a1 gnd analog voltage 0 ...5v pwm output example digital output example.
14 pcb 23. Pcb.
15 24. Schematic diagram. Schematic diagram.
Modifications and typographical errors reserved © velleman nv. H8055nip - 2013 - ed1 (rev.1) velleman nv legen heirweg 33, b-9890 gavere belgium (europe).
