Soldering NEAToBOARD-ESP32

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Packet A - voltage divider:

R6  470K Ohm 0.1%

R9  470K Ohm 0.1%

C11 1 uF

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Packet B - USB debug breakout:

R18 22 Ohm

R19 22 Ohm

D28 BAT20J

J21 socket 4 pin

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Packet C - USB power control:

Q2  Si2301

D1  BAT20J

D3  BAT20J

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Packet D - USB micro connector:

J1  USB micro connector

U1  LDO XC6206

F1  Fuse 500 mA

R2  100K Ohm

C3  1 uF

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Packet E - battery support:

SW2 toggle K3-1296S-E1

U3  LDO ME6211

C4  1 uF

C5  1 uF

J4  connector JST_PH_S2B-PH-K_1x02_P2.00mm

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Packet F - USB serial:

U2  CH343C

C1  10 uF

C2  1 uF

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Packet G - reset button:

SW1 button K2-1808SN-A4SW-01

R5  10K Ohm

C8  1 uF

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Packet H - auto programmer:

Q1  S8050

Q3  S8050

R1  10K Ohm

R4  10K Ohm

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Packet I - ESP32:

U4  ESP32

C6  10 uF

C7  1 uF

J5  socket 6 pin program

J8  socket 6 pin JTAG

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Packet J - feedback LEDs:

R3  2.7K Ohm

R7  3.9K Ohm

R8  2.7K Ohm

R20 2.7K Ohm

D2  LED green

D4  LED blue

D5  LED yellow

D29 LED red

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Packet K - 32KHz crystal:

C9  12 pF

C10 12 pF

Y1  32KHz

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Packet L - Button pull down & pull up:

SW3 button K2-1808SN-A4SW-01

SW5 button K2-1808SN-A4SW-01

R10 10K Ohm

R17 10K Ohm

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Packet M - RGB LED:

D6  WS2812B

C12 1 uF

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Packet N - button floating:

D7  LED yellow

R16 2.7K Ohm

SW4 button K2-1808SN-A4SW-01

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Packet O - LED 5x4 matrix:

R11, R12, R13, R14, R15 2.7K Ohm

D8, D9, D10, D11, D12  LED green

D13, D14, D15, D16, D17  LED green

D18, D19, D20, D21, D22 LED green

D23, D24, D25, D26, D27 LED green

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Packet P - I2C:

J19 socket 5 pin

J20 socket 5 pin

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Packet Q - QWiic:

J22 connector BM04B-SRSS-TB(LF)(SN)

J23 connector BM04B-SRSS-TB(LF)(SN)

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Packet R - SPI:

J24 socket 5 pin

J25 socket 2 pin

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