ZeroPhone ZeroPhone-PCBs issues

ZeroPhone / ZeroPhone-PCBs

PCB files for ZeroPhone - for gerbers and schematics, go to "Releases" tab!

GNU General Public License v3.0

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issues

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The DCDC FET could use a soft-start capacitor and a testpoint on the back

#99 CRImier opened 2 years ago
0
Adding FPC footprint on both front and keypad boards for keypad connections

#98 CRImier opened 2 years ago
0
Adding testpoints for amplifier soldering check

#97 CRImier opened 2 years ago
0
GPIO mapping could use reconsideration

#96 CRImier opened 2 years ago
0
USB-C charging boards/USB-C mod board - need to add back PCB cutouts/drill markings?

#95 CRImier opened 2 years ago
0
Reroute trace in the keypad board bottom right corner

#94 CRImier opened 2 years ago
0
Back/front board speaker polarity mismatch

#93 CRImier opened 5 years ago
0
Add "+, 1" and "-, 2" markings to DC-DC (for soldering)

#92 CRImier opened 5 years ago
0
Add "top"/"bottom" layer markings to the boards

#91 CRImier opened 5 years ago
0
Replace 10K power source switchover P-FET pulldown with 1K8

#90 CRImier opened 5 years ago
0
Add alignment lines for the 2x20 female header on the front board

#89 CRImier opened 5 years ago
0
Add I2C testpoints / QWIIC connector on back board

#88 CRImier opened 5 years ago
0
Add battery polarity markings near the battery connector

#87 CRImier opened 5 years ago
0
Reverse polarity protection for 5V input?

#86 CRImier opened 5 years ago
0
Reverse polarity protection for the battery

#85 CRImier opened 5 years ago
0
Add 6-pin header type markings to PCBs

#84 CRImier opened 5 years ago
0
Consider switching the ZP display to SPI0 CS1

#83 CRImier opened 5 years ago
0
Consider adding a path for injecting Pi Zero audio into headphone amplifier (mod?)

#82 CRImier opened 5 years ago
0
Need to move resistors/capacitors from under the audio filter mod socket

#81 CRImier opened 5 years ago
0
Keypad row markings wrong on the front board?

#80 CRImier opened 5 years ago
0
Back board: add + and - on the top silkscreen near the I2C header

#79 CRImier opened 5 years ago
0
Research adding a thermistor pin

#78 CRImier opened 5 years ago
0
Consider better markings to emphasise pin 1 of ICs

#77 CRImier opened 5 years ago
0
Need to debug the ID EEPROM in-system operation

#76 CRImier opened 5 years ago
0
Need to remove the comparator

#75 CRImier opened 5 years ago
0
Need to emphasise 6-pin display placement

#74 CRImier opened 5 years ago
0
Need to convert capacitor "positive" markings to filled zones

#73 CRImier opened 5 years ago
0
Conversion to KiCAD5

#72 eeyrjmr closed 1 year ago
6
Add interactive HTML BOM generation script

#71 Fnux closed 6 years ago
1
Comparator reference and inputs out of common mode range

#70 CRImier closed 5 years ago
2
RGB LED doesn't have polarity markings

#69 CRImier closed 6 years ago
1
Back board: R23 and Q1 interfere with certain charger boards

#68 CRImier closed 6 years ago
1
Both tantalum capacitors on back board have wrong description - 100nF=>100uF

#67 CRImier closed 6 years ago
1
TL431 current limiting resistor needs 0805 (handsoldering) footprint

#66 CRImier closed 6 years ago
1
BC847 pinout in charger-USB switchover circuit has wrong footprint

#65 CRImier closed 6 years ago
1
Switchover transistor and DCDC_EN FET can't coexist - need to add Schottky diode

#64 CRImier closed 5 years ago
2
MCP_INT is push-pull on boot - expected open-drain, needs a PNP transistor in series

#63 CRImier opened 6 years ago
2
Move battery connector down ~1-2mm; SMD connector further into the board

#62 CRImier opened 6 years ago
0
Silkscreen missing ESP-12 footprint pins

#61 CRImier closed 6 years ago
1
TPA2005 amplifier needs a ground pad on the footprint

#60 CRImier opened 6 years ago
1
Move the RGB LED up, to where it works better as a flashlight

#59 CRImier closed 6 years ago
4
Oval pads on some parts - issue #57

#58 dwaq closed 6 years ago
0
Changing through-hole pads to oval ones

#57 CRImier closed 6 years ago
13
Front PCB needs the pin header updated to a 6-pin one

#56 CRImier closed 6 years ago
1
Add SIM card insertion guideline to back board bottom silkscreen

#55 CRImier closed 6 years ago
1
pdf version for schematics

#54 JDat closed 6 years ago
2
Change licensing based on discussion with Delia

#53 dwaq closed 6 years ago
1
Needed silkscreen markings on PCBs

#52 CRImier closed 6 years ago
1
Add small 6-pin header separator PCBs into main repo

#51 CRImier closed 6 years ago
1
Move lower display header + fix SMD pads for display

#50 CRImier closed 6 years ago
1