150 RESULTS

Component lookup for real builds

Find the right chip, module, sensor, or display faster.

Search by model, interface, protocol, library support, or project need. Each page brings together specs, pinouts, wiring notes, example code, alternatives, and source links for maker and embedded projects.

150seed parts
139China-made
150core verified
108library ready
Decision filters
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Model / OriginDescription / FitCategoryConfidenceAction

Air101

CNLuatOS / OpenLuat

LuatOS-friendly Wi-Fi development module for low-cost connected devices and Chinese maker projects.

LuatOSWi-FiModule
WiFi MCUs
68%Active

Air601

CNLuatOS / OpenLuat

Low-cost Wi-Fi module used by Chinese maker communities, supported by LuatOS-oriented development materials.

LuatOSLow costWi-Fi module
WiFi MCUs
70%Active

BK7231N

CNBeken

Wi-Fi and Bluetooth LE MCU found in many low-cost smart home devices and Tuya-compatible modules.

Smart homeTuya modulesLow cost
WiFi MCUs
74%Active

BK7231T

CNBeken

Popular Beken Wi-Fi and Bluetooth LE MCU variant used in smart plugs, bulbs, switches, and Tuya-class devices.

Smart homeTuya modulesWi-Fi
WiFi MCUs
74%Active

BK7252

CNBeken

Beken Wi-Fi and Bluetooth LE multimedia MCU family used for camera and audio-capable IoT products.

CameraAudioSmart home
WiFi MCUs
68%Active

BL602

CNBouffalo Lab

Low-cost RISC-V Wi-Fi and Bluetooth LE MCU with strong interest among developers researching ESP8266 alternatives.

RISC-VLow costWi-FiArduino
WiFi MCUs
80%Active

BL606P

CNBouffalo Lab

RISC-V Wi-Fi and Bluetooth LE MCU used in low-cost wireless modules and embedded IoT boards.

RISC-VWireless moduleLow cost
WiFi MCUs
68%Active

BL616

CNBouffalo Lab

RISC-V wireless MCU with Wi-Fi 6, Bluetooth LE, Zigbee, Thread, and Matter-oriented connectivity.

Wi-Fi 6MatterThread
WiFi MCUs
78%Active

BL702

CNBouffalo Lab

RISC-V Bluetooth LE, Zigbee, and Thread MCU for low-power wireless peripherals and smart home accessories.

BLEThreadZigbee
WiFi MCUs
78%Active

BL808

CNBouffalo Lab

Multi-core RISC-V AIoT processor with wireless connectivity, camera, display, and multimedia-oriented interfaces.

AIoTCameraDisplay
WiFi MCUs
74%Active

ESP32

CNEspressif Systems

Classic dual-core Wi-Fi and Bluetooth MCU that remains one of the most searched and widely supported maker wireless chips.

Mature ecosystemArduinoESP-IDFArduinoMicroPython
WiFi MCUs
98%Active

ESP32-C2

CNEspressif Systems

Entry-level RISC-V Wi-Fi and Bluetooth LE MCU designed for simple connected products and cost-sensitive modules.

Entry levelRISC-VBLEArduino
WiFi MCUs
90%Active

ESP32-C3

CNEspressif Systems

Single-core RISC-V Wi-Fi and Bluetooth LE MCU used for compact, low-cost IoT devices and ESP8266 replacement designs.

RISC-VSecure BootLow costArduinoMicroPython
WiFi MCUs
97%Active

ESP32-C5

CNEspressif Systems

RISC-V dual-band Wi-Fi 6 and Bluetooth LE MCU for modern IoT products that need 2.4 GHz and 5 GHz support.

Dual-band Wi-FiWi-Fi 6RISC-V
WiFi MCUs
82%Active

ESP32-C6

CNEspressif Systems

RISC-V Wi-Fi 6, Bluetooth LE, Zigbee, and Thread MCU aimed at Matter-ready smart home devices.

Wi-Fi 6MatterThreadArduinoMicroPython
WiFi MCUs
95%Active

ESP32-H2

CNEspressif Systems

RISC-V Bluetooth LE, Zigbee, and Thread MCU for low-power Matter accessories without Wi-Fi.

MatterThreadZigbeeArduino
WiFi MCUs
93%Active

ESP32-S2

CNEspressif Systems

Single-core Wi-Fi MCU with native USB and strong security features but without Bluetooth.

USB OTGSecurityLCD InterfaceArduinoMicroPython
WiFi MCUs
95%Active

ESP32-S3

CNEspressif Systems

Dual-core Wi-Fi and Bluetooth LE MCU with vector instructions, native USB, camera, and display interfaces for AIoT devices.

AI AccelerationUSB OTGRGB LCDArduinoMicroPython
WiFi MCUs
98%Active

ESP8266

CNEspressif Systems

Legacy but extremely popular Wi-Fi MCU with huge maker search volume and broad Arduino support.

Very low costHuge communityArduinoArduinoMicroPython
WiFi MCUs
96%Active

GD32VW553

CNGigaDevice

GigaDevice RISC-V Wi-Fi and Bluetooth LE MCU for connected embedded applications.

RISC-VWi-FiBLE
WiFi MCUs
70%Active

GD32W515

CNGigaDevice

China-made Arm Cortex-M wireless MCU combining GigaDevice MCU ecosystem with Wi-Fi connectivity.

Arm Cortex-M33Wi-FiSecurity
WiFi MCUs
75%Active

HLK-M30

CNHi-Link

Wi-Fi module commonly used for serial transparent transmission and quick IoT connectivity in maker products.

Transparent serialModuleEasy integration
WiFi MCUs
72%Active

LN882H

CNLightningSemi

China-made Wi-Fi and Bluetooth LE MCU used in low-cost IoT modules with vendor SDK support.

Wi-FiBLELow cost
WiFi MCUs
62%Active

RTL8720CF

CNRealtek

Compact Realtek Wi-Fi and Bluetooth LE MCU variant used in Ameba-series modules and low-cost IoT boards.

AmebaWi-FiBLE
WiFi MCUs
72%Active

RTL8720DN

CNRealtek

Dual-band Wi-Fi and Bluetooth development MCU used in AmebaD boards and maker wireless projects.

Dual-band Wi-FiAmebaArduino supportArduino
WiFi MCUs
82%Active

RTL8730E

CNRealtek

Realtek wireless MCU family member targeting Wi-Fi and Bluetooth IoT modules with vendor SDK support.

Wi-FiBLEAmeba SDK
WiFi MCUs
65%Active

W800

CNWinner Micro

Low-cost Wi-Fi and Bluetooth SoC often evaluated as a budget alternative to ESP8266 and ESP32 modules.

Ultra Low CostCrypto EngineWi-Fi 4Arduino
WiFi MCUs
75%Active

W801

CNWinner Micro

Wi-Fi and Bluetooth SoC used in low-cost modules with vendor SDK support and Chinese-language ecosystem materials.

Low costWi-FiBLE
WiFi MCUs
72%Active

XR806

CNXradio

Wi-Fi MCU module platform used in inexpensive connected products and Chinese embedded development boards.

Wi-FiLow costModule
WiFi MCUs
60%Active

XR872

CNXradio

Low-cost Wi-Fi MCU seen in Chinese IoT modules and open-source embedded experiments.

Wi-FiLow costChinese docs
WiFi MCUs
62%Active

ACS712

CNAllegro MicroSystems

Hall-effect current sensor module used for AC/DC current measurement projects.

CurrentHall effectAnalogArduino
Sensors
76%Active

ADXL345

CNAnalog Devices

3-axis digital accelerometer with broad maker library support.

AccelerometerI2CSPIArduinoMicroPython
Sensors
84%Active

AHT10

CNAosong

I2C temperature and humidity sensor commonly sold as a compact low-cost breakout.

I2CHumidityLow costArduinoMicroPython
Sensors
76%Active

AHT20

CNAosong

Popular Chinese I2C temperature and humidity sensor used as a low-cost SHT-series alternative.

I2CHumidityChina-madeArduinoMicroPython
Sensors
82%Active

APDS-9960

CNBroadcom

Gesture, proximity, ambient light, and RGB sensor often used for contactless controls.

GestureProximityColorArduino
Sensors
82%Active

AS608

CNGrow

UART fingerprint sensor module used in access control and identity demo projects.

FingerprintUARTAccess controlArduino
Sensors
70%Active

BH1750

CNROHM

Digital ambient light sensor module with a simple I2C interface.

LightI2CLow costArduinoMicroPython
Sensors
82%Active

BME280

Bosch Sensortec

Compact environmental sensor combining temperature, humidity, and barometric pressure.

PressureHumidityHigh library supportArduinoMicroPython
Sensors
94%Active

BME680

Bosch Sensortec

Environmental sensor with gas resistance measurement for indoor air quality experiments.

GasPressureHumidityArduinoMicroPython
Sensors
88%Active

BMI160

Bosch Sensortec

Low-power 6-axis IMU used in wearable, robotics, and motion tracking boards.

6-axis IMULow powerBoschArduino
Sensors
86%Active

BMP280

Bosch Sensortec

Barometric pressure and temperature sensor used for altitude and weather projects.

PressureAltitudeLow costArduinoMicroPython
Sensors
90%Active

DHT11

CNAosong

Low-cost digital temperature and humidity sensor module used in beginner Arduino projects.

TemperatureHumidityBeginner friendlyArduinoMicroPython
Sensors
78%Active

DHT22

CNAosong

Higher-range AM2302 temperature and humidity sensor used where DHT11 accuracy is insufficient.

TemperatureHumidityWider rangeArduinoMicroPython
Sensors
80%Active

DS18B20

CNAnalog Devices

1-Wire digital temperature sensor commonly used in waterproof probes and outdoor monitoring.

Temperature1-WireWaterproof probeArduinoMicroPython
Sensors
86%Active

GP2Y1010AU0F

CNSharp

Optical dust sensor used in low-cost particulate matter and air quality experiments.

DustAir qualityAnalogArduino
Sensors
72%Active

HC-SR04

CNGeneric

Classic ultrasonic distance sensor module used in robotics obstacle detection and beginner projects.

DistanceUltrasonicLow costArduinoMicroPython
Sensors
78%Active

HMC5883L

CNHoneywell

Legacy 3-axis magnetometer used in electronic compass modules and tutorials.

MagnetometerCompassLegacyArduino
Sensors
72%Active

HX711

CNAvia Semiconductor

24-bit ADC front-end for load cells, kitchen scales, and force measurement projects.

Load cellADCScaleArduinoMicroPython
Sensors
78%Active

ICM-20948

CNTDK InvenSense

9-axis motion sensor used in newer IMU breakouts with better vendor support than many legacy modules.

9-axis IMUI2CSPIArduinoMicroPython
Sensors
86%Active

INA219

CNTexas Instruments

I2C current and bus voltage monitor widely used for power measurement modules.

CurrentVoltageI2CArduinoMicroPython
Sensors
86%Active

INA226

CNTexas Instruments

Higher-resolution I2C current, voltage, and power monitor for embedded power profiling.

Power monitorI2CHigher resolutionArduino
Sensors
84%Active

JSN-SR04T

CNGeneric

Waterproof ultrasonic distance sensor module for outdoor tank level and proximity projects.

WaterproofDistanceUltrasonicArduino
Sensors
68%Active

KY-037

CNGeneric

Low-cost microphone sound sensor module used for basic noise and clap detection demos.

SoundAnalogComparatorArduino
Sensors
62%Active

LIS3DH

STMicroelectronics

Low-power 3-axis accelerometer common in wearable and battery-powered maker modules.

AccelerometerLow powerInterruptsArduinoMicroPython
Sensors
84%Active

MAX30102

CNAnalog Devices

Optical pulse oximetry and heart-rate sensor module used in wearable demos.

Heart rateSpO2OpticalArduino
Sensors
78%Active

MH-Z19B

CNWinsen

NDIR CO2 sensor module commonly used in indoor air quality projects.

CO2NDIRUARTArduino
Sensors
80%Active

MLX90614

CNMelexis

Infrared temperature sensor used for non-contact temperature measurement projects.

IR temperatureNon-contactI2CArduino
Sensors
78%Active

MPU6050

CNTDK InvenSense

Very common 6-axis accelerometer and gyroscope used in robotics, balancing robots, and motion projects.

6-axis IMUHuge ecosystemLow costArduinoMicroPython
Sensors
90%Active

MPU6500

CNTDK InvenSense

6-axis IMU with I2C and SPI interfaces used in drones and compact motion boards.

6-axis IMUSPIMotionArduino
Sensors
82%Active

MPU9250

CNTDK InvenSense

9-axis IMU module combining accelerometer, gyroscope, and magnetometer for orientation projects.

9-axis IMUOrientationMagnetometerArduino
Sensors
82%Active

MQ-135

CNWinsen

Low-cost gas sensor module often marketed for air quality experiments.

Air qualityGasAnalogArduino
Sensors
66%Active

MQ-2

CNWinsen

Low-cost combustible gas sensor module frequently used in beginner gas detection demos.

GasAnalogLow costArduino
Sensors
68%Active

MS5611

CNTE Connectivity

High-resolution barometric pressure sensor used in altimeters and flight controller boards.

BarometerHigh resolutionAltitudeArduino
Sensors
78%Active

NTC 10K Thermistor

CNGeneric

Common analog temperature sensing element used in 3D printers, battery packs, and simple measurement circuits.

TemperatureAnalogLow costArduino
Sensors
66%Active

PIR HC-SR501

CNGeneric

Passive infrared motion sensor module used in smart lighting and occupancy detection projects.

MotionPIRDigital outputArduinoMicroPython
Sensors
72%Active

PMS5003

CNPlantower

Laser particulate matter sensor module used for PM1.0, PM2.5, and PM10 air quality monitoring.

PM2.5Air qualityUARTArduino
Sensors
78%Active

QMC5883L

CNQST

China-made magnetometer often sold as a replacement on HMC5883L-labelled compass boards.

China-madeCompassLow costArduino
Sensors
72%Active

QMI8658

CNQST

China-made 6-axis IMU frequently found on modern low-cost ESP32 development boards.

China-made6-axis IMUBoard-integratedArduino
Sensors
76%Active

RCWL-0516

CNGeneric

Microwave radar motion sensor module used as a compact PIR alternative.

MotionRadarLow costArduino
Sensors
66%Active

SCD30

CNSensirion

CO2, temperature, and humidity module used for higher-quality indoor air monitoring.

CO2HumidityHigh qualityArduino
Sensors
86%Active

SGP30

CNSensirion

VOC and equivalent CO2 air quality sensor for indoor air quality trend detection.

VOCAir qualityI2CArduino
Sensors
84%Active

SHT30

CNSensirion

Accurate I2C temperature and humidity sensor widely used in weather stations and environmental nodes.

High accuracyI2CHumidityArduinoMicroPython
Sensors
88%Active

SHT31

CNSensirion

Digital humidity and temperature sensor used in more accurate environmental monitoring modules.

High accuracyI2CStableArduinoMicroPython
Sensors
86%Active

TCS34725

CNams OSRAM

RGB color light sensor used in color detection and light measurement modules.

ColorI2CLightArduino
Sensors
82%Active

TF-Luna

CNBenewake

Compact Chinese LiDAR distance module used in robotics, drones, and range-finding experiments.

LiDARDistanceChina-madeArduino
Sensors
80%Active

VL53L0X

STMicroelectronics

Time-of-flight laser distance sensor widely used for compact short-range ranging.

ToFDistanceI2CArduinoMicroPython
Sensors
88%Active

VL53L1X

STMicroelectronics

Longer-range ToF distance sensor used where VL53L0X range is not sufficient.

ToFLonger rangeI2CArduino
Sensors
86%Active

FT6236

CNFocalTech

Capacitive touch controller commonly paired with small TFT display modules.

TouchI2CDisplay companionArduino
Displays
70%Active

GC9A01

CNGalaxyCore

Round color TFT controller popular in watch-style circular display modules.

Round displayTFTSPIArduino
Displays
72%Active

HT16K33

CNHoltek

I2C LED matrix and segment driver used in backpack display modules.

LED matrixI2CKey scanArduino
Displays
78%Active

ILI9341

CNIlitek

Color TFT LCD controller used in many 2.4-inch and 2.8-inch SPI display modules.

TFTColorSPIArduinoMicroPython
Displays
80%Active

MAX7219

CNAnalog Devices

LED matrix and 7-segment display driver widely used in chained dot matrix modules.

LED matrixDaisy chainLow costArduinoMicroPython
Displays
84%Active

PCD8544

CNNXP

Nokia 5110 monochrome LCD controller used in low-power retro display modules.

Low powerMonochromeRetroArduino
Displays
72%Active

RA8875

CNRafael Micro

TFT LCD controller used to drive larger displays with a microcontroller-friendly interface.

Large TFTControllerSPIArduino
Displays
68%Active

SH1106

CNSino Wealth

OLED controller common in 1.3-inch monochrome displays and SSD1306-like modules.

OLEDI2C1.3 inchArduinoMicroPython
Displays
74%Active

SSD1306

CNSolomon Systech

Very common monochrome OLED display controller used in 0.96-inch I2C and SPI modules.

OLEDI2CHuge library supportArduinoMicroPython
Displays
88%Active

SSD1680

CNSolomon Systech

E-paper display controller found in low-power SPI e-ink modules.

E-paperSPILow powerArduino
Displays
72%Active

ST7735

CNSitronix

Small color TFT LCD controller found in many 1.8-inch SPI display modules.

TFTColorLow costArduinoMicroPython
Displays
80%Active

ST7789

CNSitronix

Color TFT LCD controller common in compact 1.3-inch and 1.54-inch SPI displays.

TFTColorCompactArduinoMicroPython
Displays
82%Active

TM1637

CNTitan Micro

Simple 4-digit 7-segment LED display driver module used for clocks and counters.

7-segmentLow costSimpleArduinoMicroPython
Displays
74%Active

UC8151

CNUltraChip

E-paper display controller used in small low-power black-and-white e-ink modules.

E-paperLow powerSPIArduino
Displays
70%Active

XPT2046

CNXPTEK

Resistive touch controller used on many low-cost ILI9341 TFT touch modules.

TouchResistiveSPIArduino
Displays
68%Active

A7670C

CNSIMCom

4G Cat.1 cellular module used in low-cost IoT telemetry products.

4G Cat.1UARTChina marketArduino
Communication
74%Active

ATGM336H

CNZhongke Micro

China-made GNSS module commonly used as a low-cost GPS receiver in maker projects.

GPSBeiDouUARTArduino
Communication
74%Active

BC26

CNQuectel

NB-IoT module used for low-power cellular sensor applications.

NB-IoTLow powerUARTArduino
Communication
72%Active

CC1101

CNTexas Instruments

Sub-GHz transceiver used in low-power wireless links and RF experimentation.

Sub-GHzSPILow powerArduino
Communication
82%Active

CH340G

CNWCH

USB-to-UART bridge chip used on many low-cost Arduino-compatible and ESP development boards.

USB UARTLow costDriver support
Communication
86%Active

CH343P

CNWCH

Newer WCH USB-to-UART bridge used in compact modern development boards.

USB UARTLow costWCH
Communication
78%Active

CP2102

CNSilicon Labs

USB-to-UART bridge widely used in development boards and debug adapters.

USB UARTReliableDev boards
Communication
86%Active

E22-900M30S

CNEbyte

High-power LoRa module for long-range UART/SPI wireless sensor links.

LoRaHigh powerUARTArduino
Communication
74%Active

EC200U

CNQuectel

LTE Cat.1 module family commonly used in Chinese IoT products and dev boards.

4G Cat.1QuectelIoTArduino
Communication
76%Active

HC-05

CNGeneric

Classic Bluetooth serial module used for Arduino UART wireless control demos.

BluetoothUARTSerialArduino
Communication
72%Active

JDY-31

CNJDY

Low-cost Bluetooth serial module sold in Chinese marketplaces as an HC-05-class alternative.

BluetoothUARTLow costArduino
Communication
66%Active

NEO-6M

u-blox

Classic GPS module used heavily in Arduino navigation and tracking tutorials.

GPSUARTHuge ecosystemArduinoMicroPython
Communication
86%Active

NEO-M8N

u-blox

Multi-GNSS receiver module used in drones, robotics, and tracking products.

Multi-GNSSDronesUARTArduino
Communication
84%Active

NEO-M9N

u-blox

Modern multi-band capable GNSS module family used for higher quality positioning designs.

GNSSHigh performanceMulti-interfaceArduino
Communication
82%Active

nRF24L01+

CNNordic Semiconductor

2.4GHz SPI radio module used in low-cost remote controls and sensor links.

2.4GHzSPILow costArduinoMicroPython
Communication
86%Active

RA-01H

CNAi-Thinker

LoRa module based on SX127x-class radios for low-cost long-range wireless links.

LoRaLong rangeModuleArduino
Communication
74%Active

RA-02H

CNAi-Thinker

Ai-Thinker LoRa module used in hobby and sensor-network prototypes.

LoRaSensor networkSPIArduino
Communication
72%Active

SIM800L

CNSIMCom

Low-cost 2G GSM/GPRS module still used in regions where 2G networks remain available.

GSMGPRSUARTArduino
Communication
76%Active

SX1262

CNSemtech

Newer LoRa transceiver used in long-range low-power radio modules.

LoRaLow powerLong rangeArduino
Communication
84%Active

SX1278

CNSemtech

Sub-GHz LoRa transceiver IC used in many 433MHz LoRa modules.

LoRaSub-GHzSPIArduino
Communication
86%Active

WH-GM5

CNLuatOS / OpenLuat

OpenLuat 4G Cat.1 module used in Chinese maker and IoT telemetry projects.

4G Cat.1LuatOSTelemetry
Communication
72%Active

18650 Battery Holder

CNGeneric

Battery holder component useful to include because many maker power designs depend on its mechanical format.

Battery holderMechanicalPortable power
Power
64%Active

74HC595

CNNexperia

8-bit shift register used to expand outputs for LEDs, relays, and simple digital control.

IO expansionShift registerLow costArduinoMicroPython
Power
86%Active

A4988

CNAllegro MicroSystems

Common stepper motor driver used in older 3D printer and CNC control boards.

Stepper3D printerLow costArduino
Power
86%Active

AMS1117-3.3

CNAdvanced Monolithic Systems

Legacy linear regulator used on many Arduino and ESP breakout boards.

LDOCommon3.3V
Power
76%Active

AO3400

CNAlpha & Omega Semiconductor

Small N-channel MOSFET used for switching loads in low-voltage maker circuits.

MOSFETSwitchingSOT-23
Power
76%Active

BSS138 Level Shifter

CNGeneric

MOSFET-based bidirectional level shifter module used for I2C 3.3V/5V conversion.

Level shiftingI2CCheap moduleArduino
Power
72%Active

CN3065

CNConsonance

Solar lithium battery charger IC used in small solar sensor nodes.

Solar chargingLi-ionSensor nodes
Power
68%Active

DRV8825

CNTexas Instruments

Stepper motor driver module used in 3D printers, CNC machines, and robotics prototypes.

StepperMicrostepping3D printerArduino
Power
86%Active

DRV8833

CNTexas Instruments

Low-voltage dual H-bridge motor driver for small robots and battery-powered mechanisms.

Motor driverLow voltageRoboticsArduino
Power
86%Active

DW01

CNFortune Semiconductor

Single-cell lithium battery protection IC used with 8205A MOSFETs on many battery boards.

Battery protection1SLow cost
Power
70%Active

ETA3406

CNETA Solutions

Low-cost buck converter used in Chinese modules and compact power rails.

BuckLow costModule
Power
64%Active

FS8205A

CNFortune Semiconductor

Dual MOSFET commonly paired with DW01 in lithium battery protection boards.

MOSFETBattery protectionLow cost
Power
70%Active

FUSB302

CNonsemi

USB Type-C controller used for USB-C configuration and power negotiation experiments.

USB-CI2CPower negotiationArduino
Power
78%Active

IP5306

CNInjoinic

Power bank management SoC used in ESP32 battery boards and compact boost-charger designs.

Power bankBoostBattery charging
Power
74%Active

IRLZ44N

CNInfineon

Logic-level N-channel MOSFET used in LED strip, motor, and load switching projects.

MOSFETLogic-levelHigh currentArduino
Power
78%Active

L298N

STMicroelectronics

Legacy dual H-bridge motor driver module used in beginner robot kits despite poor efficiency.

Motor driverBeginnerDual H-bridgeArduino
Power
80%Active

LM2596

CNTexas Instruments

Classic buck regulator used in large inexpensive adjustable step-down modules.

BuckCommon module3A
Power
84%Active

MCP23017

CNMicrochip

16-bit I2C GPIO expander used when a microcontroller needs many extra digital pins.

IO expansion16 pinsI2CArduinoMicroPython
Power
86%Active

MCP73831

CNMicrochip

Tiny single-cell Li-ion charger used in compact battery-powered boards.

Li-ion chargerSmallReliable
Power
84%Active

ME6211

CNMicrone

Low-dropout regulator widely used on inexpensive 3.3V modules and dev boards.

LDOLow dropoutCheap
Power
72%Active

MP1584EN

CNMonolithic Power Systems

Compact buck converter used in small adjustable DC-DC step-down modules.

BuckCompactAdjustable
Power
80%Active

MT3608

CNAerosemi

Low-cost boost converter IC used in adjustable step-up modules.

BoostAdjustableCheap module
Power
72%Active

PCA9685

CNNXP

16-channel PWM controller used for servo control, LED dimming, and robotics projects.

PWMServoI2CArduinoMicroPython
Power
88%Active

PCF8574

CNNXP

I2C GPIO expander often used in LCD backpacks and small IO expansion modules.

IO expansionI2CLCD backpacksArduinoMicroPython
Power
84%Active

SK6812

CNOpsco

Addressable LED family including RGBW variants used as a WS2812B alternative.

Addressable LEDRGBWWS2812 alternativeArduinoMicroPython
Power
72%Active

SY8089

CNSilergy

Small synchronous buck regulator seen on compact embedded boards.

BuckSmallChina-made
Power
70%Active

TB6612FNG

CNToshiba

Efficient dual DC motor driver used as a better alternative to L298N for small robots.

Motor driverEfficientDual channelArduino
Power
86%Active

TCA9548A

CNTexas Instruments

8-channel I2C multiplexer used to connect sensors with duplicate I2C addresses.

I2C muxAddress conflicts8 channelsArduinoMicroPython
Power
88%Active

TMC2209

CNTrinamic

Quiet stepper motor driver with UART configuration used in modern 3D printers.

StepperQuietUARTArduino
Power
84%Active

TP4056

CNNanJing Top Power

Very common single-cell lithium battery linear charger used in low-cost charging modules.

Li-ion chargerCheap module1S
Power
78%Active

TPS63020

CNTexas Instruments

Buck-boost converter used where battery voltage may be above or below the target rail.

Buck-boostBatteryEfficient
Power
82%Active

TXS0108E

CNTexas Instruments

8-bit bidirectional level translator used between 3.3V and 5V logic devices.

Level shiftingBidirectional8 channelsArduino
Power
84%Active

ULN2003

CNTexas Instruments

Darlington transistor array often sold with 28BYJ-48 stepper motor kits.

Driver arrayStepper kitRelayArduino
Power
82%Active

USB-C 16P Connector

CNGeneric

Common USB-C receptacle used for power input and low-cost development board designs.

USB-CConnectorPower input
Power
62%Active

WS2812B

CNWorldsemi

Addressable RGB LED with integrated controller used in strips, rings, and matrices.

Addressable LEDRGBHuge ecosystemArduinoMicroPython
Power
82%Active

XC6206

CNTorex

Small low-power LDO regulator often found on compact sensor and MCU boards.

LDOSmallLow quiescent
Power
72%Active

XL6009

CNXLSEMI

Adjustable boost converter used in higher-voltage step-up modules.

BoostHigh voltageAdjustable
Power
72%Active