Component catalogue
Parts
Pick parts to compare options or start a build with Schematik.
68 groups
10 I/Os Relay Module - CPU ESP32 (Relay Output) visual previewESP32
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.
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual previewArduino
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.
Adafruit DVI Breakout Board for HDMI Source Devices visual previewPi 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.
15x7 CharliePlex LED Matrix FeatherWing - Cool White visual previewAdd-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.
:MOVE mini MK2 buggy kit visual previewOther 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.
LattePanda Starter Kit (EU Adapter) for LattePanda V1.0 visual previewSBCs
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.
UNIHIKER M10 - IoT Python SBC with Touchscreen visual previewUNIHIKER M10
Python-first Linux single-board computer with an integrated 2.8-inch touchscreen and exposed micro:bit-compatible, Gravity I2C/I/O, USB host and microSD interfaces.
0.71" Round LCD Display Module - 160x160, SPI, 65K Colors visual previewTFT & 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.
1.02" E-Ink Display Module - 128x80, Black/White, SPI visual previewE-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.
"Shake" 8x8 LED Matrix visual previewLED 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.
Adafruit PiOLED - 128x32 Monochrome OLED Add-on for Raspberry Pi visual previewOLED
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.
25m Long Distance ToF Laser Sensor (±3cm Accuracy, 100Hz, 100K LUX Resistant) visual previewDistance 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.
Adafruit AHT20 Temperature & Humidity Sensor Breakout Board visual previewTemp & 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.
0.3M Pixel Serial JPEG Camera Module visual previewCameras
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.
Adafruit ENS160 MOX Gas Sensor - CCS811 Upgrade visual previewAir 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.
10 DOF IMU Sensor (D) visual previewIMU & 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.
Adafruit Simple Soil Moisture Sensor visual previewSoil & 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.
Adafruit ALS-PT19 Analog Light Sensor Breakout visual previewLight & 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.
10K Precision Epoxy Thermistor 3950 NTC visual previewOther 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.
4mm Mini Circular Force Sensor visual previewForce & 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.
Biomedical Sensor Pad (10 pack) visual previewBiometrics
UART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.
0.28 Inch LED Digital DC Voltmeter - Green visual previewPower 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.
Anemometer Wind Speed Sensor (0~5V, 0~30m/s, IP65) visual previewWeather & 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.
Powerline Ethernet Adapter (200M) - 2 Units visual previewWired 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.
2mm 10-Pin XBee Header visual previewLoRa & 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.
2.4 GHz Bluetooth Low Energy 4.0 Module V-13051 (-4 dBi) visual previewBluetooth
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.
M5Stack GPS/BDS Unit v1.1 (AT6668) visual previewGNSS & 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.
600-6000MHz 5G Antenna visual previewCellular
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.
150M Miniature WiFi (802.11n) Module for Raspberry Pi visual previewNetworking
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.
M5Stack Mini RFID Unit MFRC522 U031 visual previewRFID & 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.
5V IR Photoelectric Switch (4m) visual previewInfrared
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.
"Wire Wrap" Thin Prototyping & Repair Wire - 200m 30AWG Blue visual previewCables
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.
0.1" (2.54 mm) Arduino Male Pin Headers Straight Green (10PCS) visual previewConnectors
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.
5.5/2.1mm DC to Micro USB Adapter visual previewUSB 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.
12mm Domed Push Button Pack visual previewButtons & 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.
4x4 Matrix Keypad visual previewKeypads
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.
Rotary Encoder with Switch visual previewEncoders
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.
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [STEMMA QT] visual previewTouch
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.
08QN12T16050 Test & Burn-in Socket visual previewProgrammers
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.
Parts Organizer Case visual previewEnclosures
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.
Adafruit NeoPixel Nano 2020 RGB LEDs - 100-pack visual previewLED 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.
10W 4 USB Power Adapter visual previewPower 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.
1 Degree of Freedom DF05BB Steering Head visual previewMechanics
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.
12V 184P Gear Motor with Encoder visual previewDC 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.
2-Wheel Balancing Robot Kit visual previewKits
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.
Digital Card Multimeter (FIT0399) visual previewTest 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.
10-bit ADC (SPI) visual previewConverters
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.
1-Way 18650 Battery Holder visual previewBatteries
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.
2.3KG Serial Bus Servo (6V) visual previewServos
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.
10mm Plastic Bevel LED Holder - Pack of 5 visual previewMounting
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.
Arduino Leonardo visual previewWorkbench 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.
15A Single DC Motor Driver visual previewMotor 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.
18-Channel 8-bit PWM LED Driver w/ I2C Interface visual previewBare 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.
Resistor Set E12 Series - 10Ω to 1MΩ (610pcs) visual previewPassives
E12 resistor kits, ceramic and electrolytic capacitor sets, 1N4148/1N4007 diodes, TIP120 Darlingtons, IRLZ44N MOSFETs and 100F supercapacitors — bench stock in kit quantities.
1.75mm PLA (1kg) - Black visual preview3D 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.
Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash visual previewAudio 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.
16-Ch Ethernet Relay Module, Modbus RTU / Modbus TCP Protocol, Ethernet Port Communication, Supports PoE Power Supply, With Various Isolation And Protection Circuits visual previewRelays
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.
PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A [1000C] visual previewCharging
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.
12V Solenoid Valve - DN15 visual previewPumps & 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.
256MB Micro SD Memory Card visual previewMemory
24LC32/25LC256 EEPROM, I2C FRAM, 64Mbit PSRAM, and microSD breakouts up to 64GB — matched to write frequency and data volume, not just interface.
5050 LED breakout PCB - 10 pack! visual previewBreadboards
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.
5 - 8 mm Coupler visual previewSteppers
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.
3.8 / 1.3mm or 3.5 / 1.1mm to 5.5 / 2.1mm DC Jack Adapter Cable visual previewSolar
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.
16 MHz Quartz Crystal visual previewRTC & 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.
2030 Cavity Speaker Type B, 8Ω 2W (2PIN PH1.25) visual previewBuzzers & 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.
2-Channel Level Converter (12V to 3.3V) visual previewLevel 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.
6+1 Microphone Array visual previewMicrophones
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.
Stereo 2.1W Class D Audio Amplifier - TPA2012 visual previewAmplifiers
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.