Emard
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9b576dcef8
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schematics update: RV3 placed
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6 years ago |
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Emard
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029339ae94
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schematics C56=C57=3.3pF
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6 years ago |
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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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4f3da8f86c
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schematics: Rename references BTNx -> Bx
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6 years ago |
|
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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davor
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6bd8e08f9b
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schematics: Green LED Digikey PN
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6 years ago |
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Emard
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67864b0ec7
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schematics: LED PN updated (better green and blue)
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6 years ago |
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Emard
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5c6aa5e004
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schematics: clean up PN of RTC
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6 years ago |
|
Emard
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4ca1f2e611
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schematics: LowCost field for the parts
|
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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ac8cf80b09
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schematics: cheaper crystals 32768 Hz in small package 3.2x1.5 mm
compatible between pins 1 and 4 of current ABS25 package
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7 years ago |
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davor
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2fdb54786c
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footprints: rotating battery holder 90 deg to match Harwin track and reel information
schematics: Battery holder PN and datasheet update
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7 years ago |
|
davor
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2fb1e47600
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schematics: cheaper general purpose diodes
|
7 years ago |
|
davor
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6ca82361f7
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schematics: cheaper RTC and Battery holder
|
7 years ago |
|
Emard
|
6a3dfd204d
|
schematics: cheaper RTC PN from Microchip, Mouser
|
7 years ago |
|
davor
|
5418e4ac7f
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schematics: PN corrected for 220nF 0805->0603
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7 years ago |
|
davor
|
979e0b8480
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schematics: Update PN for 22uF and 0ohm PN currently available from Mouser
|
7 years ago |
|
davor
|
c1a232819f
|
schematics: v1.9
|
7 years ago |
|
Emard
|
7cff1957a7
|
schematics v1.8.12
|
7 years ago |
|
Emard
|
f421435ef1
|
schematics: use more descriptive audio jack symbol
|
7 years ago |
|
Emard
|
ce970de234
|
schematics: US2 ID connected to RTC WAKEUPn
|
7 years ago |
|
Emard
|
f6d5e18c5e
|
schematics: cleanup 2.5/3.3V selection
|
7 years ago |
|
Emard
|
9b7a5ab8a4
|
schematics: PN cleanup
|
7 years ago |
|
Emard
|
4a747f5b51
|
schematics: PN cleanup
|
7 years ago |
|
Emard
|
83128ee79b
|
schematics v1.8.10: BOM fix for 4.7k resistors
|
7 years ago |
|
davor
|
5af47471ff
|
schematics: flash chip use combo 150/208 mil footprint
|
7 years ago |
|
davor
|
6d44289060
|
schematics: 3 power schottky diodes replaced with 0-ohm jumpers
|
7 years ago |
|
davor
|
49b3c44d0f
|
schematics: v1.8.9
|
7 years ago |
|
davor
|
2970b62537
|
schematics: D12 back to schottky, R8 back to 1.2k because FTDI_nSLEEP is 2.5V
|
7 years ago |
|
davor
|
2b47d2f33e
|
schematics: comment about PWREN voltage level
|
7 years ago |
|
davor
|
ddd06971b2
|
schematics: update R1,R4 = 4.7k reliable voltage for POWER-ON, HOLD
|
7 years ago |
|
davor
|
591d986e06
|
schematics: reducing LED resistors 1.2k -> 680 ohm
|
7 years ago |
|
davor
|
463e8ab845
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schematics: corrected resistor values in power section
|
7 years ago |
|
davor
|
2988e8661f
|
schematics: Replace 3 power schottky diodes with 0-ohm resistors
|
7 years ago |
|
davor
|
2e47c55293
|
schematics v1.8.8
|
7 years ago |
|
davor
|
a3c372508a
|
schematics: 100nF->220nF 4.7M->2.2M
|
7 years ago |
|
davor
|
740551d3f2
|
schematics: renaming fields for manufacturer field be recognized in 1-click-bom
|
7 years ago |
|
davor
|
c718a43644
|
schematics: experimentally renaming MFG1_URL->MNF1_URL to not be recognized as manufacturer name
|
7 years ago |
|
davor
|
d752f36379
|
schematics: Available PN from Mouser for C1 and C14
|
7 years ago |
|
davor
|
117b6ca3b5
|
schematics: simplifying BOM, 12k->15k, 47k->100k
|
7 years ago |
|
Emard
|
eff638fe4e
|
schematics: updated PN for available parts
|
7 years ago |
|
Emard
|
3ee9a7c54d
|
schematics: updating available PN for R,C
|
7 years ago |
|
Emard
|
6a6153688f
|
schematics: Available PN for Q1 Q2
|
7 years ago |
|
Emard
|
0e36d0ac1b
|
schematics: reducing number of different resistors,
using 4x 1N4148 instead of 4x BAT54 schottky diodes.
|
7 years ago |
|
davor
|
0ed6a8f6c1
|
schematics: Distributor PN for ESP32 and available SD card slot
|
7 years ago |
|
davor
|
d36a3df6fe
|
schematics: Digikey PN for R
|
7 years ago |
|
Emard
|
2ed956b5a9
|
schematics: Digikey currently available PN for C
|
7 years ago |
|
davor
|
460f380bea
|
schematics: clean up Mouser PN
|
7 years ago |
|
davor
|
15e0e4bcad
|
schematics: drill holes Note: Leave empty
|
7 years ago |
