Circuit-Forge/easypiezi
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5 commits

Author SHA1 Message Date
pyr0ball
3695e43354 saved under Eagle v9.3.1 2019-02-25 08:57:04 -08:00
pyr0ball
d53aa7f238 Updated schematic with cleaned up and labelled circuit 2019-02-23 23:32:44 -08:00
pyr0ball
0d31025069 Added test pads for amp circuit debug 2019-02-21 02:06:32 -08:00
pyr0ball
abd8b9830e Swapped/repositioned components 
- Swapped individual 0402 resistors for 4x array. related to https://github.com/pyr0ball/pyr0piezo/issues/16
 - repositioned LPF capacitors for easier installation. related to https://github.com/pyr0ball/pyr0piezo/issues/15
 2019-02-18 14:41:51 -08:00
pyr0ball
2226025830 Rev.2.0.0 - Rewired for full piezo circuit control 
- Moved ERR_LED to Pin2/PD4; replaced with V_FOL_PWM on Pin1/OC2B to
   adjust Voltage Follower level
 - Moved Z_Min_Trig to Pin9/PD7; replaced with VCOMP_PWM for adjusting
   comparator threshold voltage reference
 - Attached series resistor ladder to gain amp voltage divider,changed
   all resistor values to 470R, allowing a gain of 5 values: 10x, 6.8x,
   5.15x, 4.15x, and 3.47x
 - Repositioned decoupling capacitors to be more in line with the
   schematic
 2019-02-15 12:16:55 -08:00