davor
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c90665620d
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schematics v2.0
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6 years ago |
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Emard
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0f35cf56a0
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schematics v1.9.5: Noise filter for ADC (L4,C58,C59)
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6 years ago |
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Emard
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fb387cd68b
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schematics v1.9.4: correct PN Y2 quartz 32768Hz/6pF and matching
load capacitance of 6pF with C56=C57=10pF for RTC MCP7904
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6 years ago |
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Emard
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2848d5220b
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schematics v1.9.2: load capacitors for 32768 Hz quartz.
Depending on internal capacitance of quartz and RTC chip,
external capacitors are sometimes required (see RTC datasheet).
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6 years ago |
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davor
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199df0e91a
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schematics v1.9.1: U11 (i2c) VCC1=2.5V EN=3.3V for low power sleep
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6 years ago |
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davor
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c1a232819f
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schematics: v1.9
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6 years ago |
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Emard
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7cff1957a7
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schematics v1.8.12
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7 years ago |
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Emard
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35455c3e96
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schematics v1.8.11
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7 years ago |
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Emard
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83128ee79b
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schematics v1.8.10: BOM fix for 4.7k resistors
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7 years ago |
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davor
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49b3c44d0f
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schematics: v1.8.9
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7 years ago |
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davor
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2e47c55293
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schematics v1.8.8
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7 years ago |
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Emard
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3d6aac6f9c
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schematics v1.8.7: reconnecting SD card for 180 deg rotation
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7 years ago |
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davor
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15e0e4bcad
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schematics: drill holes Note: Leave empty
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7 years ago |
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davor
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449eea2cd8
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schematics v1.8.6: fixing RTC time loss issue with RC network
|
7 years ago |
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davor
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6b3e3451ea
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schematics: v1.8.5
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7 years ago |
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davor
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182103e923
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schematics: v1.8.4
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7 years ago |
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davor
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caf94acd59
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schematics: v1.8.3
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7 years ago |
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davor
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10e8e97633
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schematics v1.8.2
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7 years ago |
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davor
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323c7d78b7
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schematics: hopefully getting rid of all references to micro-gpdi-d
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7 years ago |
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davor
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853497d403
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schematics: replace 45F chip with 85F
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7 years ago |
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davor
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b006a34b71
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schematics: C54 22uF for 3V RTC battery
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7 years ago |
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davor
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3996e140ef
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schematics: kicad 5 load and save
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7 years ago |
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davor
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7b88b3baf1
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schematics: v1.8 adding capacitor for 2.5/3.3V
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7 years ago |
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davor
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9d1c3c6a2c
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schematics: v1.7.16
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7 years ago |
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davor
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db50639a60
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schematics: 4 22nF capacitors for 2.5/3.3V and 3.3V near J1 and J2 connector
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7 years ago |
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davor
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32bd7673a8
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schematics: v1.7.14
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7 years ago |
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davor
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ea96ac0d18
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schematics: use non-handsoldering footprints for all 22nF and 100nF capacitors
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7 years ago |
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davor
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8ff6e0e20e
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schematics update, setting L1,L2,L3 all the same PN
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7 years ago |
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davor
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b535b7ccee
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schematics: references for buttons on previous PCB v1.7
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7 years ago |
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davor
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2f3cc59274
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schematics: adding mouser P/N
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7 years ago |
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davor
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b205d52f4f
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schematics: sprinkling 22nF decoupling capacitors under FPGA
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7 years ago |
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davor
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a04b74cc61
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schematics, footprints: micro usb cleanup
|
7 years ago |
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davor
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6079a51257
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schematics: symbol for SDRAM copied from rescue to proper library
|
7 years ago |
|
davor
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7caf7a4f5f
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schematics: v1.7.9 SD card hopfully connected properly to ESP32 SD_MMC
|
7 years ago |
|
davor
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fd6a0d3a2a
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schematics: bump version to v1.7.8
|
7 years ago |
|
davor
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08e107ae65
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schematics: detach SD card connection from ESP32, it won't
boot when this is connected.
|
7 years ago |
|
davor
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f4d7692c91
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schematics: SD card symbol with 2 CD pins connected to GND
|
7 years ago |
|
Emard
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6cc027aed0
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schematics: update inductor PN, swap L2 <-> L3
|
7 years ago |
|
Emard
|
380fcdf86a
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schematic: newly created SOT96-1 used for NXP RTC
|
7 years ago |
|
Emard
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a5a51a8f28
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connected missing SD card pins to esp-32
|
7 years ago |
|
Emard
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a135164670
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increase schematic version to 1.7.1
|
7 years ago |
|
Emard
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154645af07
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on schematics write revision 1.7.0 to match similar
writing on PCB v1.7
|
7 years ago |
|
Emard
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ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
|
7 years ago |
|
davor
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e4fc99887e
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moving GND and VCC on schematics symbols to
common locations for planned PCB which
supports upgrade path for example
12F->25F->45F->85F and if possible ECP5U->ECP5UM
|
7 years ago |
|
Emard
|
07de158d38
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R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
|
7 years ago |
|
davor
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2153a220a0
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schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
|
7 years ago |
|
Emard
|
be09416928
|
Add 27 ohm resistors in series with FTDI USB and readme update
|
8 years ago |
|
Emard
|
ee7d266543
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Resistors for LEDs
|
8 years ago |
|
davor
|
b7500cc477
|
increasing thickness of power traces, moving clock
to a bank which is always at 3.3V
|
8 years ago |
|
davor
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2a60828a99
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schem. pullup 1.5k for USB 1.1 full speed mode
|
8 years ago |
