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@ -106,7 +106,6 @@ Test the prototype.
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[x] Silkscreen Double outline for BGA chip
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[x] Silkscreen Double outline for BGA chip
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[x] Silkscreen do not write over the solder pads
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[x] Silkscreen do not write over the solder pads
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[ ] Silkscreen BGA names on ESP32 placeholder and 2.54 mm headers
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[x] Silkscreen JTAG signal names on 6-pin 2.54 mm header
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[x] Silkscreen JTAG signal names on 6-pin 2.54 mm header
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[x] Silkscreen remove OLED outline
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[x] Silkscreen remove OLED outline
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[x] Solder stop mask must go inbetween all SMD chip pads
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[x] Solder stop mask must go inbetween all SMD chip pads
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@ -141,7 +140,6 @@ Test the prototype.
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[x] move battery away from screw hole
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[x] move battery away from screw hole
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[x] top layer GND fill
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[x] top layer GND fill
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[x] R25 move away from oled screw hole
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[x] R25 move away from oled screw hole
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[ ] board cut off notches inisde for space saving
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[x] DIP switch to the right near RAM
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[x] DIP switch to the right near RAM
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[x] Move HDMI a bit closer to OLED
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[x] Move HDMI a bit closer to OLED
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[x] 32768Hz oscillator footprint
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[x] 32768Hz oscillator footprint
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@ -175,7 +173,7 @@ Test the prototype.
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https://github.com/espressif/esp-idf/blob/master/examples/storage/sd_card/README.md
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https://github.com/espressif/esp-idf/blob/master/examples/storage/sd_card/README.md
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moved blue LED from GPIO2 to GPIO5
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moved blue LED from GPIO2 to GPIO5
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[x] I2C resistors increased 470->2.2k
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[x] I2C resistors increased 470->2.2k
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[ ] GPDI series C=100nF to each differential line.
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[x] GPDI AC-coupling 100nF to each differential line.
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[x] reliable shutdown (D11=RED LED, R4=4.7k)
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[x] reliable shutdown (D11=RED LED, R4=4.7k)
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[x] SDRAM raster back to 0.8 mm
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[x] SDRAM raster back to 0.8 mm
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[x] connect SPI Flash Quad Mode (QSPI)
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[x] connect SPI Flash Quad Mode (QSPI)
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@ -193,9 +191,6 @@ Test the prototype.
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[x] additional US2 pins for pull up-down 15k
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[x] additional US2 pins for pull up-down 15k
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[x] unified US2 pullup/down: resistor-diode nework for pullup 1.5k and pulldown 15k
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[x] unified US2 pullup/down: resistor-diode nework for pullup 1.5k and pulldown 15k
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[x] clear silkscreen mess with Cx under FPGA
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[x] clear silkscreen mess with Cx under FPGA
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[ ] Connect switching power supply jumpers
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[x] power decoupling capacitors for ESP32 and OLED
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[x] Connect switching power supply jumpers
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[ ] every 1-2 seconds there are clicks at analog audio output
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[ ] every 1-2 seconds there are clicks at analog audio output
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[ ] check voltage
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[ ] check for output conflicts
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[ ] power decoupling capacitors for ESP32 and OLED
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[x] AC-coupling 100nF capacitors for GPDI
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