prometheus/hardware/CHANGES.TXT

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You must identify the modifications in this text file.
These modifications are licensed under the TAPR Open Hardware License.
-----BEGINING OF THE MODIFICATIONS-----
-2018/01/30 - andreika
Revision 0.020
+ resistor R13 (near CJ125) connected to pin 22 of U2, not to the ground
+ transistor Q1 (oxygen sensor heater) changed from VND5 to VND14
+ resistor R3 (heater MOSFET gate) reduced to 220 Ohm
+ removed resistor R5 (changed to jumper wire) and capacitor C6
+ more wide traces for Wideband O2S heater power supply (near P2 connector)
+ power lines V12 and WV12 (WideBand) now separated
+ removed erroneous connection of CKPS2+ and R152 to the ground
+ increased clearance between capacitors C42 and C43
+ more wide power supply traces for MAX9926
+ added +5V TVS-diode for supply of MAX9926 (D30)
+ increased clearances for internal ign.coil ground planes, ign_gnd output moved away
+ removed connection traces of ign.ground and power ground inside PCB
+ additional pull-up resistor added for tachometer transistor to +5V (R165)
-2017/04/07 - andreika
First Revision 0.010
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-----END OF THE MODIFICATIONS-----