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Workspace / Components
THE BUILDING BLOCKS

Component catalog

A structured starting point for your next design.

Custom component
Illustrative catalog. Logical pin maps are simplified; manufacturer documentation is the source of truth. No live pricing or inventory is connected.

ESP32-WROOM-32E

Wi-Fi + Bluetooth MCU module · 4 MB flash

Espressif · ESP32-WROOM-32E-N4 · SMD module

$3.10 est.

BME280

Humidity, pressure, and temperature sensor

Bosch Sensortec · BME280 · LGA-8

$2.65 est.

USB-C receptacle

USB 2.0 Type-C connector · power input

GCT · USB4105-GF-A · USB-C 16 pin

$0.72 est.

AP2112K-3.3

3.3 V low-dropout regulator · 600 mA

Diodes Inc. · AP2112K-3.3TRG1 · SOT-25

$0.24 est.

10 kΩ resistor

10 kΩ · 1% · 0.1 W

Yageo · RC0603FR-0710KL · 0603

$0.01 est.

5.1 kΩ resistor

5.1 kΩ · 1% · USB-C configuration

Yageo · RC0603FR-075K1L · 0603

$0.01 est.

100 nF capacitor

100 nF · 16 V · X7R ceramic

Murata · GRM188R71C104KA01D · 0603

$0.02 est.

10 µF capacitor

10 µF · 10 V · X5R ceramic

Murata · GRM21BR61A106KE19L · 0805

$0.06 est.

Green status LED

Green indicator · 0603

Kingbright · APT1608SGC · 0603

$0.08 est.

Programming header

1 × 4, 2.54 mm UART programming header

Generic · Missing MPN · 1x04 P2.54

$0.15 est.

RP2040 MCU

Dual-core Arm Cortex-M0+ microcontroller

Raspberry Pi · RP2040 · QFN-56

$1.10 est.

nRF52840 module

Bluetooth Low Energy 5.0 SoC module

Nordic Semiconductor · nRF52840-MDK · SMD module

$4.80 est.

STM32G031K8T6

32-bit Arm Cortex-M0+ MCU

STMicroelectronics · STM32G031K8T6 · UFQFPN-32

$1.40 est.

INA219 current monitor

I2C bus voltage and current monitor

Texas Instruments · INA219BIDCNR · SOT-23-8

$1.20 est.

MPU-6050 IMU

6-axis accelerometer and gyroscope

TDK InvenSense · MPU-6050 · QFN-24

$2.40 est.

DS18B20 temperature sensor

1-Wire digital temperature sensor

Analog Devices · DS18B20Z+ · SOIC-8

$1.30 est.

MP1584EN buck regulator

3 A step-down switching regulator

Monolithic Power · MP1584EN-LF-Z · QFN-8

$0.80 est.

LTC2950 pushbutton on/off

Pushbutton on/off controller

Analog Devices · LTC2950ITS8-2 · TSOT-23-8

$2.10 est.

USB ESD protection array

Low-capacitance USB ESD suppressor

Nexperia · PESD5V0X1UL · SOT-353

$0.18 est.

MCP2562 CAN transceiver

High-speed CAN FD transceiver

Microchip · MCP2562FD-E/SN · SOIC-8

$1.40 est.

MAX3485 RS-485 transceiver

3.3 V half-duplex RS-485 transceiver

Analog Devices · MAX3485ESA+ · SOIC-8

$1.10 est.

5 V signal relay

SPDT low-signal relay

Omron · G5V-1-DC5 · Through-hole

$1.90 est.

Tactile pushbutton

Momentary normally-open switch

C&K · PTS636 SM43 SMTR LFS · SMD 6 mm

$0.12 est.

3.3 V piezo buzzer

Small magnetic/piezo sounder

Murata · PKMCS0909E4000-R1 · SMD

$0.45 est.

AO3400A N-channel MOSFET

30 V logic-level N-channel MOSFET

Alpha & Omega · AO3400A · SOT-23

$0.08 est.

DMP3010LK P-channel MOSFET

30 V logic-level P-channel MOSFET

Diodes Inc. · DMP3010LK3-13 · SOT-23

$0.12 est.

5.1 V Zener diode

SMD 5.1 V voltage clamp

onsemi · BZT52C5V1-7-F · SOD-123

$0.06 est.

500 mA resettable fuse

Polyfuse overcurrent protection

Littelfuse · 1812L050/24DR · 1812

$0.22 est.

1 kΩ resistor

1 kΩ · 1% · 0.1 W

Yageo · RC0603FR-071KL · 0603

$0.01 est.

100 kΩ resistor

100 kΩ · 1% · 0.1 W

Yageo · RC0603FR-07100KL · 0603

$0.01 est.

1 µF capacitor

1 µF · 16 V · X5R ceramic

Murata · GRM188R61C105KA12D · 0603

$0.03 est.

47 µF capacitor

47 µF · 50 V low-ESR electrolytic

Panasonic · EEE-FK1H470XP · Radial 6.3 mm

$0.22 est.