crwdns2933803:012crwdne2933803:0
crwdns2933797:0Andrew Bookholtcrwdnd2933797:0crwdne2933797:0
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| + | [* black] To oscillate the mirror, alternating electrical current at high frequency is passed through a copper coil attached to the mirror. An stationary iron core is attached to the display unit, forming a [link|http://en.wikipedia.org/wiki/Solenoid|solenoid] to produce the motive force needed for oscillation. |
|---|---|
| + | [* black] To tell the oscillator circuitry how fast the mirror is moving, an arm attached to the mirror passes back and forth through an optical sensor attached to the lower circuit board. |
crwdns2933777:01crwdne2933777:0
crwdns2933779:0crwdne2933779:0
crwdns2915182:0crwdne2915182:0
crwdns2933777:02crwdne2933777:0
crwdns2933779:0crwdne2933779:0
crwdns2915182:0crwdne2915182:0