Component catalog
A structured starting point for your next design.
ESP32-WROOM-32E
Wi-Fi + Bluetooth MCU module · 4 MB flash
Espressif · ESP32-WROOM-32E-N4 · SMD module
Programming header
1 × 4, 2.54 mm UART programming header
Generic · Missing MPN · 1x04 P2.54
RP2040 MCU
Dual-core Arm Cortex-M0+ microcontroller
Raspberry Pi · RP2040 · QFN-56
nRF52840 module
Bluetooth Low Energy 5.0 SoC module
Nordic Semiconductor · nRF52840-MDK · SMD module
STM32G031K8T6
32-bit Arm Cortex-M0+ MCU
STMicroelectronics · STM32G031K8T6 · UFQFPN-32
INA219 current monitor
I2C bus voltage and current monitor
Texas Instruments · INA219BIDCNR · SOT-23-8
MPU-6050 IMU
6-axis accelerometer and gyroscope
TDK InvenSense · MPU-6050 · QFN-24
DS18B20 temperature sensor
1-Wire digital temperature sensor
Analog Devices · DS18B20Z+ · SOIC-8
MP1584EN buck regulator
3 A step-down switching regulator
Monolithic Power · MP1584EN-LF-Z · QFN-8
LTC2950 pushbutton on/off
Pushbutton on/off controller
Analog Devices · LTC2950ITS8-2 · TSOT-23-8
USB ESD protection array
Low-capacitance USB ESD suppressor
Nexperia · PESD5V0X1UL · SOT-353
MCP2562 CAN transceiver
High-speed CAN FD transceiver
Microchip · MCP2562FD-E/SN · SOIC-8
MAX3485 RS-485 transceiver
3.3 V half-duplex RS-485 transceiver
Analog Devices · MAX3485ESA+ · SOIC-8
5 V signal relay
SPDT low-signal relay
Omron · G5V-1-DC5 · Through-hole
Tactile pushbutton
Momentary normally-open switch
C&K · PTS636 SM43 SMTR LFS · SMD 6 mm
3.3 V piezo buzzer
Small magnetic/piezo sounder
Murata · PKMCS0909E4000-R1 · SMD
AO3400A N-channel MOSFET
30 V logic-level N-channel MOSFET
Alpha & Omega · AO3400A · SOT-23
DMP3010LK P-channel MOSFET
30 V logic-level P-channel MOSFET
Diodes Inc. · DMP3010LK3-13 · SOT-23
5.1 V Zener diode
SMD 5.1 V voltage clamp
onsemi · BZT52C5V1-7-F · SOD-123
500 mA resettable fuse
Polyfuse overcurrent protection
Littelfuse · 1812L050/24DR · 1812
1 kΩ resistor
1 kΩ · 1% · 0.1 W
Yageo · RC0603FR-071KL · 0603
100 kΩ resistor
100 kΩ · 1% · 0.1 W
Yageo · RC0603FR-07100KL · 0603
1 µF capacitor
1 µF · 16 V · X5R ceramic
Murata · GRM188R61C105KA12D · 0603
47 µF capacitor
47 µF · 50 V low-ESR electrolytic
Panasonic · EEE-FK1H470XP · Radial 6.3 mm