Baseboard

Schematics

baseboard schematics

PCB

baseboard pcb top baseboard pcb bottom

Bill of materials

Name

Description

Number

Reichelt name / Remark

U1

Raspberry Pi Pico WH

1

RASP PI PICO WH

U1

socket terminal strip 20-pin RM 2.54

2

BL 1X20G8 2,54

DISPLAY

0.96” SSD1306 I2C OLED 128x64 display white

1

buy one from ebay or alixpress

SUPPLY

clamp terminal block male connector RM 5.08

2

CTB9359-2

SUPPLY

clamp terminal block female connector RM 5.08

2

CTB9209-2

VCCSW, SW

jumper RM 2.54

2

JUMPER 2,54GL SW

VCCSW

pin headers 2-pin straight RM 2.54

1

MPE 087-1-002

SW

pin headers 4-pin angled RM 2.54

1

W+P 946-144

EXT1, EXT2

pin headers 10-pin angled RM 2.54

2

W+P 946-14-010

IC1

dc/dc converter 5V 2.5W SIL package

1

LMO78_05-0.5

C1

MLCC capacitor 10u 50V X7R G2220

1

ECC KTS500B106K

C2

MLCC capacitor 22u 10V X7R G1206

1

X7R-G1206 22/10

C3

MLCC capacitor 100n 50V 100n G0805

1

KEM X7R0805 100N

R1 - R6

SMD resistor 1k 1/8W 0805

6

WAL WR08X1001FTL

R7, R8

SMD resistor 47k 1/8W 0805

2

WAL WR08X4702FTL

LED_SOL
LED_CRG
LED_DRG

LED red 3mm 60° 150 mcd 20mA

3

3004R1D-EHB-A

LED_BT
LED_CTRL
LED_MQTT

LED yellow 3mm 60° 150 mcd 20mA

3

3004Y1D-EHB-A