Hardware Hacking - Nicolas Collins
Hardware Hacking 57 to use the reset switch as a power switch as well, then select a toggle switch instead. Cut one of the wires ...
58 Nicolas Collins Chapter 17: Jack, Batt & Pack You will need: The electronic toy or radio from the previous experiments. ...
Hardware Hacking 59 amp or “stomp box” can help you carve the sound you want out of the toy’s raw material. As long as you’re ad ...
60 Nicolas Collins An excellent insurance against electrocution is to insert what is know as an “audio isolation transformer” be ...
Hardware Hacking 61 This means you can replace those little button battery cells with the same number of AA cells and run the ci ...
62 Nicolas Collins ...
Hardware Hacking 63 Part IV: Building ...
64 Nicolas Collins Chapter 18: The World’s Simplest Oscillator You will need: A plastic prototyping board (“breadboard”.) 1 CMO ...
Hardware Hacking 65 We will build our circuit on a breadboard. The breadboard is a system for interconnecting electronic compone ...
66 Nicolas Collins Here’s what your circuit should look like if you use the first section of the chip, and make you connections ...
Hardware Hacking 67 sometimes work even without power hooked up.) When in doubt, triple check all connections. You could use any ...
68 Nicolas Collins Similarly, if you wire a pot in series with a photocell, you can use the pot to set the upper pitch limit of ...
Hardware Hacking 69 output via a jack to the amplifier. Remember when working on the “top” side of the chip (pins 8-14) that the ...
70 Nicolas Collins Diode orientation Diodes are odd little devices that only allow signals to pass in one direction -- I’m not r ...
Hardware Hacking 71 of wires that makes neither sound nor sense, strip your board back to one oscillator and start over, one voi ...
72 Nicolas Collins Chapter 19: From Breadboard to Circuit Board You will need: Your breadboarded circuit from the previous expe ...
Hardware Hacking 73 Now solder an identical set of resistors, capacitors and other components onto the component side of the boa ...
74 Nicolas Collins Rule # 18: Always leave your original breadboard design intact and functional until you can prove that the so ...
Hardware Hacking 75 Chapter 20: More Oscillators You will need: A breadboard. 1 CMOS Quad NAND Gate Schmitt Trigger Integrated ...
76 Nicolas Collins INPUT A INPUT B OUTPUT 0 0 0 1 0 0 0 1 0 1 1 1 You see that the output only goes “true” when both inputs are ...
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