Component catalogue
Parts
Pick parts to compare options or start a build with Schematik.
67 groups
Adafruit HUZZAH32 ESP32 Feather Board visual previewFeatured group
ESP32
Wi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.
MCUs & boards142 parts
Browse the group
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual previewMCUs & boards
Arduino
About 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.
77 parts
Adafruit DVI Breakout Board for HDMI Source Devices visual previewMCUs & boards
Pi Pico
The Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.
43 parts
15x7 CharliePlex LED Matrix FeatherWing - Cool White visual previewMCUs & boards
Add-ons
About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.
270 parts
:MOVE mini MK2 buggy kit visual previewMCUs & boards
Other MCUs
Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
225 parts
4-Way Fast Charge Buck Module (Compatible with Raspberry Pi 4B & Jetson Nano) visual previewMCUs & boards
SBCs
Full Linux or Windows on a board: Raspberry Pi 5 (8GB) to Zero 2 W, a wide range of Jetson Nano and Orin kits for CUDA vision work, x86 LattePandas — plus the coolers, antennas, and NVMe adapters keyed to each board generation.
156 parts
0.71" Round LCD Display Module - 160x160, SPI, 65K Colors visual previewDisplays
TFT & LCD
16×2 and 20×4 character LCDs (parallel, I2C backpack, Qwiic, Grove), SPI TFTs from 0.71 to 3.5 inches, and large DSI and HDMI capacitive-touch panels up to 13.3 inches.
187 parts
1.02" E-Ink Display Module - 128x80, Black/White, SPI visual previewDisplays
E-paper
Waveshare makes up the large majority of parts here and often sells the same panel twice: once as a raw display needing a separate driver board, and once as a module or HAT+ with the SPI controller attached.
101 parts
"Shake" 8x8 LED Matrix visual previewDisplays
LED displays
Adafruit HT16K33 backpacks, MAX7219 daisy-chains, NeoPixel and DotStar grids, HUB75 RGB matrix panels, charlieplexed arrays, bare clock displays, and two VFD character modules — almost 90 parts, none wired the same way.
88 parts
0.49inch OLED Display Module, 64×32, I2C visual previewDisplays
OLED
About 30 parts: monochrome I2C modules from 0.49 to 1.3 inches, SPI/I2C grayscale and 65K-color RGB panels up to 1.5 inches, a transparent OLED, and ecosystem-specific units for Raspberry Pi, FireBeetle and M5Stack Grove.
30 parts
25m Long Distance ToF Laser Sensor (±3cm Accuracy, 100Hz, 100K LUX Resistant) visual previewSensors
Distance sensors
About 180 listings spanning VL53-series ToF breakouts, HC-SR04 and MaxSonar ultrasonics, 360° triangulation LiDARs, IR proximity sensors, 24GHz mmWave presence detection and laser break-beam sensors.
177 parts
Adafruit AHT20 Temperature & Humidity Sensor Breakout Board visual previewSensors
Temp & humidity
DHT/AHT sensors, SHT-series humidity chips, BMP and LPS barometers, BME combined sensors, DS18B20 probes, thermocouple amplifiers and non-contact MLX IR sensors — about 165 listings, very different accuracy classes.
166 parts
0.3M Pixel Serial JPEG Camera Module visual previewSensors
Cameras
Pi CSI modules, USB cameras, MCU-class OV2640/OV5640 boards, on-camera AI like HuskyLens and OpenMV, and thermal or ToF imagers — over 130 listings across very different pipelines.
140 parts
Adafruit ENS160 MOX Gas Sensor - CCS811 Upgrade visual previewSensors
Air quality
MQ gas sensors, VOC/eCO2 indicators, NDIR true-CO2 modules and PM1/PM2.5/PM10 particulate sensors — over 100 listings across very different detection chemistries.
107 parts
10 DOF IMU Sensor (D) visual previewSensors
IMU & motion
Analog accelerometers, 6-DoF accel/gyro chips, 9-DoF combos, on-chip-fusion IMUs and standalone magnetometers — about 90 listings from the ADXL335 to the ICM-20948.
88 parts
Adafruit Simple Soil Moisture Sensor visual previewSensors
Soil & liquid
Capacitive soil probes, pH/EC/TDS chemistry kits, RS485 water-quality sensors, contact and non-contact level sensors, and turbine flow meters — about 80 listings for anything involving soil or liquid sensing.
81 parts
Adafruit ALS-PT19 Analog Light Sensor Breakout visual previewSensors
Light & color
CdS photoresistors, I2C lux sensors like VEML7700 and TSL2591, multi-channel spectral sensors, UV detectors and TCS-series color sensors — about 80 listings for anything that responds to photons.
80 parts
10K Precision Epoxy Thermistor 3950 NTC visual previewSensors
Other sensors
PIR and mmWave presence sensors, Hall-effect and angle encoders, piezo vibration discs, gesture breakouts and more — grouped here because they fit nowhere else.
61 parts
4mm Mini Circular Force Sensor visual previewSensors
Force & weight
Interlink-style FSRs, strain-gauge load cells with HX711 amplifiers, and ready-made kits like DFRobot's Gravity I2C 1kg scale — from simple touch detection to accurate mass measurement.
28 parts
Biomedical Sensor Pad (10 pack) visual previewSensors
Biometrics
UART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.
25 parts
0.28 Inch LED Digital DC Voltmeter - Green visual previewSensors
Power monitors
INA-series I2C monitors, Hall-effect sensors like the ACS723 and Gravity 20A/50A boards, and non-invasive CT clamps for everything from 3.3V rail telemetry to mains current sensing.
25 parts
Anemometer Wind Speed Sensor (0~5V, 0~30m/s, IP65) visual previewSensors
Weather & environment
Analog and digital anemometers, a tipping-bucket rain gauge, RS485 solar radiation and PAR probes, the AS3935 lightning detector, an airspeed sensor and multi-sensor HATs for outdoor weather monitoring.
20 parts
8-Channel Isolated Analog Data Acquisition Module visual previewConnectivity
Wired comms
W5100/W5500 Ethernet shields, LAN8720 RMII PHY boards, MAX3243 RS-232 level shifters, isolated USB-to-RS485 converters, CAN FD bridges, and passive or active PoE injectors and splitters.
119 parts
2mm 10-Pin XBee Header visual previewConnectivity
LoRa & RF
RFM95W and SX1262 LoRa transceivers, Wio-E5 LoRaWAN modules, SX1302 gateways, Digi XBee mesh radios, 433 MHz ASK serial links, Dragino IoT sensor nodes, and the SDRplay RSP2 wideband SDR receiver.
95 parts
2.4 GHz Bluetooth Low Energy 4.0 Module V-13051 (-4 dBi) visual previewConnectivity
Bluetooth
BLE 5-era modules (nRF52840, MDBT50Q), XIAO MG24 boards with Matter-over-Thread, Bluefruit UART/SPI bridges, HM-11 serial modules, and BLE sniffers cover different jobs and different hosts.
71 parts
4G GNSS-RTK High Precision Positioning Kit (EMEA & Thailand, GPS / GLONASS / Galileo / BDS / QZSS) visual previewConnectivity
GNSS & GPS
Adafruit Ultimate GPS (PA1616S/PA1616D), NEO-6M and NEO-M9N u-blox breakouts, Gravity GNSS BeiDou boards with I2C/UART, and 4G or LoRa RTK kits — accuracy and constellation requirements split them.
67 parts
600-6000MHz 5G Antenna visual previewConnectivity
Cellular
Adafruit FONA GSM breakouts, the Gravity Air780EU 4G Cat 1 module, Dragino NB-IoT Shield-B8, Pycom FiPy, Quectel and SIMCom M.2 5G modems, and the RockBLOCK 9603 Iridium modem each target a different network tier.
58 parts
150M Miniature WiFi (802.11n) Module for Raspberry Pi visual previewConnectivity
Networking
ESP8285, ATWINC1500, and EMW3060 Wi-Fi modules; the WIZ5500 Ethernet co-processor; the DP83848 RMII PHY board; 802.11n USB adapters for the Pi; and an XBee USB configuration adapter.
26 parts
13.56 MHz RFID/NFC Silicone Bracelet - MiFare Classic 1K visual previewConnectivity
RFID & NFC
PN532 and WS1850S 13.56 MHz readers, ID01 UHF RFID modules (UART/RS485/USB), MiFare Classic 1K cards and fobs, and the I2C-rewritable ST25DV16K dynamic tag.
24 parts
5V IR Photoelectric Switch (4m) visual previewConnectivity
Infrared
TSOP38238 and TSMP96000 for remote-control receive and learn, Adafruit STEMMA IR transceiver for send/receive, IR break-beam and photoelectric switches for presence, and Grove/M5Stack MLX90614 modules for contactless temperature.
22 parts
"Wire Wrap" Thin Prototyping & Repair Wire - 200m 30AWG Blue visual previewCables
Cables
Around 250 entries: JST SH/PH cable pairs, Grove and STEMMA QT/Qwiic leads, jumper wires, silicone hookup wire from 30 AWG to 8 AWG, and FPC ribbon cables. Ecosystem bridge cables exist for the PH-to-SH pitch mismatch.
261 parts
0.1" (2.54 mm) Arduino Male Pin Headers Straight Green (10PCS) visual previewCables
Connectors
Passive adapters, 2.54 mm pin headers, terminal blocks, JST and barrel-jack connector pairs, RF antennas and microSD adapters. Mechanical fit between two connectors does not confirm voltage, pinout or protocol compatibility.
224 parts
5.5/2.1mm DC to Micro USB Adapter visual previewCables
USB and serial
Passive USB cables plus passive USB cables, Micro-B and USB-C breakouts, CP2102 and FT232 USB-UART bridges, DIY cable assembly parts, and USB-C development boards. Data support, host/device role and logic voltage vary significantly across the group.
91 parts
12mm Domed Push Button Pack visual previewButtons
Buttons & switches
Most parts here are simple contacts: press or release, open or closed. A few outliers — rotary switch potentiometer breakouts, NeoPixel potentiometers, wiper plungers — carry separate wiring requirements worth checking before you order.
106 parts
4x4 Matrix Keypad visual previewButtons
Keypads
Matrix keypads, analog ADKey boards, I2C keypad controllers, joysticks, and finished USB-HID keyboards are all here. Pin budget and simultaneous-press requirements are the splits that matter.
37 parts
Adafruit ANO Rotary Navigation Encoder to I2C STEMMA QT Adapter visual previewButtons
Encoders
Bare EC11 quadrature encoders, I2C navigation encoders, absolute AS5600 and 8421 encoders, slide and ribbon potentiometers, and digital I2C pots — covering most ways to read angular or linear position.
28 parts
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [STEMMA QT] visual previewButtons
Touch
MPR121, CAP1188, CAP1203 Qwiic slider and AT42QT breakouts are sensor ICs for electrodes you wire yourself. Simple single-pad modules like the TTP223B give you one digital output with no bus required.
14 parts
08QN12T16050 Test & Burn-in Socket visual previewTools & prototyping
Programmers
ST-LINK/V2 and STLINK-V3MINIE for STM32, Atmel-ICE for AVR/SAM, MPLAB PICkit 4 for PIC, USBtinyISP for Arduino bootloaders. FPGA download cables and a large assortment of Waveshare-supplied Plastronics burn-in sockets for bare QFN and MLF chips fill the rest of the group.
208 parts
1U Rack Kit for Raspberry Pi 4, 19″ Rackmount, up to 4 Units visual previewTools & prototyping
Enclosures
Over 200 enclosures span board-specific aluminum Pi cases, generic ABS project boxes, DIN-rail housings and outdoor waterproof enclosures. Argon NEO, Argon ONE V2 and ARGON ONE V5 double as heatsinks; the V5 adds dual M.2 NVMe PCIe slots for the Raspberry Pi 5.
206 parts
10W Super Bright LED - Violet visual previewComponents
LED pixels
WS2812/SK6812 NeoPixel strips, rings and Jewels, APA102 DotStar pixels, and plain analog RGB strips — each matched to its protocol and host, not just its connector.
180 parts
10W 4 USB Power Adapter visual previewPower
Power supplies
Wall adapters (5V–24V), adjustable and fixed buck/boost/buck-boost converters (MT3608, LM2596-class), USB-C PD triggers (HUSB238), breadboard supplies, DIN-rail units and passive barrel-jack adapters.
144 parts
1 Degree of Freedom DF05BB Steering Head visual previewMotors & actuators
Mechanics
Robot chassis (2WD miniQ, 4WD mecanum, 6WD outdoor), mecanum wheels (48–97mm), brass hex hubs (4–6mm), shaft couplers, 2GT timing pulleys and uArm robotic arms.
143 parts
12V 184P Gear Motor with Encoder visual previewMotors & actuators
DC motors
N20 micros in 1:50–1:298 ratios, 6V TT gearbox motors (120:1, 160RPM), 12V quadrature encoder gearmotors up to 45kg.cm, plus coreless micros, vibration discs, USB fans and a few outlier brushless motors.
136 parts
2-Wheel Balancing Robot Kit visual previewTools & prototyping
Kits
Starter kits lock you into a connector ecosystem: Seeed Grove, DFRobot Gravity for Arduino and Raspberry Pi, or snap-together BOSON. Robot kits and hardware-only bundles make up a large share of the rest.
121 parts
0.96inch USB-C Power Meter, Onboard Type-C ports, Supports Power-off Data Storage And Real-time Status Monitoring, Portable & Lightweight visual previewTools & prototyping
Test gear
Over 120 parts spanning pocket oscilloscopes, logic analyzers, RF and semiconductor analyzers, multimeters, soldering tips and consumables. DSO Quad and Miniware's 4-channel scope cover waveforms; Kingst LA5016 and ScanaQuad handle logic capture.
121 parts
10-bit ADC (SPI) visual previewComponents
Converters
ADS1115/MCP3421 ADCs, MCP4725 and GP8413 DACs, CP2102 USB-UART boards, and I2C plumbing like the LTC4316 address shifter — matched to bus, resolution and signal range.
114 parts
1-Way 18650 Battery Holder visual previewPower
Batteries
9V alkaline cells, CR2032 coin cells, 3.7V LiPo packs (1000–1200mAh), 7.4V 2S LiPo, 18650 Li-ion holders (1–6 cells), AA/AAA holders in every configuration, and snap leads with barrel adapters.
107 parts
2.3KG Serial Bus Servo (6V) visual previewMotors & actuators
Servos
9g micros and clutch PWM servos, IP67 metal servos to 35KG, and ST/SC/CF serial bus servos (2.3kg to 120kg.cm at 24V) — protocol matters as much as torque rating here.
99 parts
10mm Plastic Bevel LED Holder - Pack of 5 visual previewTools & prototyping
Mounting
M3 and M2 screw-and-nut sets, nylon and metal standoffs, LED holders in 5–10 mm, and DIN-rail PCB holders. Adafruit's M3 nylon stand-off set and Pimoroni's Pi standoffs handle the most common Raspberry Pi stacking heights.
91 parts
Arduino Leonardo visual previewComponents
Workbench essentials
Peltier TEC modules, heatsinks for Raspberry Pi and Jetson boards, PTC heaters, laser diodes, LilyPad sewable LEDs, conductive stainless thread, nOOds LED filaments, and thermal paper rolls.
83 parts
15A Single DC Motor Driver visual previewMotors & actuators
Motor drivers
H-bridge breakouts from 1A to 43A (DRV8871, TB6612FNG, BTS7960), stepper drivers (A4988, TMC260, TB6600), I2C servo/solenoid controllers, and Pi/Arduino shields — sized by current and protocol.
78 parts
18-Channel 8-bit PWM LED Driver w/ I2C Interface visual previewComponents
Bare ICs
74HC logic gates, MCP3008/MCP23017 ADCs and expanders, 24LC256 EEPROM, 4N25-series optocouplers and ULN2803A drivers — bare DIP chips with no breakout-board conveniences like pull-ups or level shifting.
67 parts
1/4W Resistor Pack - 400 PCS visual previewComponents
Passives
E12 resistor kits, ceramic and electrolytic capacitor sets, 1N4148/1N4007 diodes, TIP120 Darlingtons, IRLZ44N MOSFETs and 100F supercapacitors — bench stock in kit quantities.
59 parts
1.75mm PLA (1kg) - Black visual previewTools & prototyping
3D printing
DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.
53 parts
Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash visual previewAudio
Audio boards
Adafruit Audio FX boards and WAV Trigger for standalone playback, DFPlayer Pro and Gravity MP3 for MCU-scripted audio, EasyVR for speech recognition, Fermion/Gravity voice recorders, and Pi I2S DAC/codec boards.
51 parts
16-Ch Ethernet Relay Module, Modbus RTU / Modbus TCP Protocol, Ethernet Port Communication, Supports PoE Power Supply, With Various Isolation And Protection Circuits visual previewComponents
Relays
Gravity and Grove single-relay modules, Pi relay HATs, USB-RLY16 boards, Sonoff Wi-Fi smart switches, and Waveshare Modbus RTU/TCP industrial modules — matched by control interface and contact rating.
47 parts
7.4V Lipo Battery Charger visual previewPower
Charging
Single-cell LiPo chargers (TP4056, MicroUSB/Type-C modules), charger/booster combos (PowerBoost 500/1000, Lipo Rider Plus 5V/2.4A), I2C fuel gauges (MAX17048, LC709203F) and Qi wireless charging coils.
46 parts
12V Solenoid Valve - DN15 visual previewMotors & actuators
Pumps & valves
Solenoid valves (DN15/DN20 12V), 6V pneumatic air valves, push-pull and lock-style solenoids, 5V electromagnets (3–35kg holding force), 6V electric push rods (10–100mm stroke), peristaltic dosing pumps and submersible water pumps.
42 parts
256MB Micro SD Memory Card visual previewComponents
Memory
24LC32/25LC256 EEPROM, I2C FRAM, 64Mbit PSRAM, and microSD breakouts up to 64GB — matched to write frequency and data volume, not just interface.
39 parts
5050 LED breakout PCB - 10 pack! visual previewTools & prototyping
Breadboards
Solderless options run from 830- and 400-point boards to 4.5×3.5 cm minis and self-adhesive translucent boards. Adafruit Perma-Proto PCBs copy breadboard rail layout onto solderable copper, so a working layout transfers directly. SMT adapters bridge QFN, TQFP and SSOP parts to 2.54 mm.
34 parts
28BYJ-48 Stepper Motor Module with Driver for STEM Robotics (5V, 0.9 kgf·cm) visual previewMotors & actuators
Steppers
NEMA-8 and NEMA-17-class bipolar steppers, 5V/12V geared reduction steppers (24BYJ48, 32-step 1/16), driver boards (Easy Driver V4.5, TMC260, TB6600), and shaft couplers, leadscrew and timing pulley hardware.
29 parts
3.8 / 1.3mm or 3.5 / 1.1mm to 5.5 / 2.1mm DC Jack Adapter Cable visual previewPower
Solar
Solar panels from 1.5V 250mA flexible film to 18V 10W polysilicon, MPPT solar power managers (DFRobot 5V and 9V/12V/18V, Waveshare 6V–24V), bq25185 charger boards and LTC3588 energy-harvesting breakouts.
28 parts
16 MHz Quartz Crystal visual previewComponents
RTC & timing
DS3231/DS3232 temperature-compensated RTCs, the budget PCF8523 and DS1307, the Si5351A clock generator (8kHz–160MHz), and bare 16MHz crystals — matched to drift tolerance and supply voltage.
27 parts
2030 Cavity Speaker Type B, 8Ω 2W (2PIN PH1.25) visual previewAudio
Buzzers & speakers
Passive speakers from 1 W to 20 W (4–8 Ω), piezo buzzers active and passive, bone-conductor and surface transducers, and a BOSON buzzer module — all need a matching driver circuit or amplifier.
23 parts
2-Channel Level Converter (12V to 3.3V) visual previewComponents
Level shifters
BSS138/PCA9306 I2C shifters, TXB0104/TXS0108E auto-direction translators, 74LVC245/74AHCT125 buffers, and 12V-to-3.3V converters — matched to bus type and direction, not channel count.
21 parts
6+1 Microphone Array visual previewAudio
Microphones
MAX4466 and MAX9814 electret preamp breakouts for analog audio, I2S MEMS mics (ICS-43434, SPH0645LM4H, INMP441) for digital audio, PDM breakouts, ReSpeaker arrays for far-field pickup, and an LM386 sound detector.
17 parts
3W Mini Audio Stereo Amplifier (W2) visual previewAudio
Amplifiers
MAX98357A and MAX98357 I2S class-D amps, PAM8403 and TPA2012 analog stereo amps, MAX9744 20W stereo amp, LM386 and PAM8302 mono amps, and discrete op-amp packs for signal-level work.
15 parts