What are you building?

Manufacturer

DFRobot

Manufacturer reference

DFR0216

Controller

ATmega328 · DIP

Supply

5 V · USB / 7–12 V DC

Clock

16 MHz

Digital I/O

14 · PWM: 6

Analog inputs

6

Memory

Flash 32 KB · SRAM 2 KB · EEPROM 1 KB

Dimensions

75 × 54 × 15 mm

Compatibility

5V logic; review interfaces before connecting 3.3V devices.

5V logic; review interfaces before connecting 3.3V devices.

Manufacturer

Waveshare

Manufacturer reference

RP2040-Plus-M

Controller

RP2040 · Arm Cortex-M0+ × 2

Clock

133 MHz

Memory

SRAM 264 KB · Flash 4 MB

Interface

USB-C · GPIO 3.3 V

Compatibility

3.3V GPIO; specify memory and header variant.

3.3V GPIO; specify memory and header variant.

Manufacturer

Waveshare

Manufacturer reference

ESP32-S3-Pico-M

Controller

ESP32-S3

Interface

Wi-Fi 2.4 GHz · Bluetooth LE · USB-C

Supply

GPIO 3.3 V

Compatibility

3.3V logic; firmware and pin mapping differ from RP2040.

3.3V logic; firmware and pin mapping differ from RP2040.

Manufacturer

DFRobot

Manufacturer reference

FIT0096

Contacts

400

Dimensions

82 × 62 mm

Compatibility

400 contacts; low-voltage signal prototyping only.

400 contacts; low-voltage signal prototyping only.

Manufacturer

DFRobot

Manufacturer reference

FIT0096-C

Contacts

400

Compatibility

Same listed 82 × 62 mm format; verify rail continuity.

Same listed 82 × 62 mm format; verify rail continuity.

Manufacturer

DFRobot

Manufacturer reference

FIT0154

Compatibility

Choose connector gender to match your board headers.

Choose connector gender to match your board headers.

Manufacturer

DFRobot

Manufacturer reference

FIT0215

Compatibility

0.1-inch pitch; 12-inch cable.

0.1-inch pitch; 12-inch cable.

Manufacturer

DFRobot

Manufacturer reference

FIT0121

Compatibility

Confirm included lengths and connector ends.

Confirm included lengths and connector ends.

Manufacturer

DFRobot

Manufacturer reference

KIT0098

Compatibility

Breadboard not included; use appropriate current-limiting resistors.

Breadboard not included; use appropriate current-limiting resistors.

Manufacturer

DFRobot

Manufacturer reference

FIT0423

Compatibility

Check resistance and dissipation for the circuit.

Check resistance and dissipation for the circuit.

Manufacturer

Waveshare

Manufacturer reference

15231

Interface

I²C / SPI

Supply

3.3 / 5 V

Dimensions

27 × 20 mm

Compatibility

This breakout supports 3.3V/5V and I²C/SPI; check address.

This breakout supports 3.3V/5V and I²C/SPI; check address.

Manufacturer

Waveshare

Manufacturer reference

Pico-LCD-1.14

Resolution

240 × 135 px · 1.14″

Interface

SPI · ST7789

Supply

3.3 V

Compatibility

240 × 135 pixels; reserve the documented GPIO pins.

240 × 135 pixels; reserve the documented GPIO pins.

Manufacturer

Waveshare

Manufacturer reference

19767

Channels

16

Interface

I²C · PCA9685

Compatibility

Servos and controller not included; calculate supply current.

Servos and controller not included; calculate supply current.

Manufacturer

DFRobot

Manufacturer reference

FIT0003

Wheel diameter

65 mm

Hub

6 mm

Compatibility

65 mm diameter; 6 mm hub. Confirm shaft fit.

65 mm diameter; 6 mm hub. Confirm shaft fit.

Manufacturer

DFRobot

Manufacturer reference

FIT0199-R

Wheel diameter

65 mm

Compatibility

Adapter not included; not interchangeable with 6 mm direct-fit wheels.

Adapter not included; not interchangeable with 6 mm direct-fit wheels.

Manufacturer

DFRobot

Manufacturer reference

FIT0665

Hardware

M2 · 320 pcs

Compatibility

M2 hardware; never force into an M3 thread.

M2 hardware; never force into an M3 thread.

Manufacturer

DFRobot

Manufacturer reference

FIT0225

Hardware

M3

Compatibility

Confirm hole diameters, thread and electrical isolation.

Confirm hole diameters, thread and electrical isolation.

Manufacturer

DFRobot

Manufacturer reference

DFR0100

Compatibility

Supplier documentation defines contents; verify current revision.

Supplier documentation defines contents; verify current revision.

Manufacturer

DFRobot

Manufacturer reference

KIT0018

Compatibility

Follow Gravity connector orientation and module-specific voltages.

Follow Gravity connector orientation and module-specific voltages.

Manufacturer

Waveshare

Manufacturer reference

RP2040-Plus-Pico-Sensor-Kit-B

Compatibility

Order the RP2040-Plus controller bundle, not sensor-only variant.

Order the RP2040-Plus controller bundle, not sensor-only variant.

Manufacturer

Waveshare

Manufacturer reference

PicoGo

Compatibility

Choose controller-included variant; two 14500 cells excluded. Confirm safe local battery sourcing.

Choose controller-included variant; two 14500 cells excluded. Confirm safe local battery sourcing.

Manufacturer

Waveshare

Manufacturer reference

JetRacer ROS AI Kit

Compatibility

Confirm controller bundle, legacy ROS/software support and batteries before purchase.

Confirm controller bundle, legacy ROS/software support and batteries before purchase.

Manufacturer

DFRobot

Manufacturer reference

SEN0308

Supply

3.3–5.5 V DC

Output

0–3 V analog

Dimensions

175 × 30 mm

Cable

1.5 m

Compatibility

3.3–5.5 V supply; 0–3 V analog output. Calibrate in your own soil. Raspberry Pi needs an external ADC. No pump or irrigation driver included.

3.3–5.5 V supply; 0–3 V analog output. Calibrate in your own soil. Raspberry Pi needs an external ADC. No pump or irrigation driver included.

Manufacturer

DFRobot

Manufacturer reference

FIT0701

Resolution

640 × 480 px

Interface

USB 2.0

Supply

5 V

Dimensions

30 × 25 × 21.4 mm

Compatibility

Requires a USB host and compatible software. Not a direct camera module for UNO or Pico GPIO. Lens and resolution suit introductory vision rather than precision inspection.

Requires a USB host and compatible software. Not a direct camera module for UNO or Pico GPIO. Lens and resolution suit introductory vision rather than precision inspection.

Manufacturer

DFRobot

Manufacturer reference

SEN0245

Range

30–2000 mm

Supply

3.3–5 V DC

Interface

Gravity I²C

Dimensions

20 × 22 mm

Compatibility

3.3–5 V module supply. Use the documented I²C wiring. Range depends on the target and ambient light; verify with representative surfaces before integration.

3.3–5 V module supply. Use the documented I²C wiring. Range depends on the target and ambient light; verify with representative surfaces before integration.

Manufacturer

DFRobot

Manufacturer reference

DRI0044

Channels

2

Logic

2.7–5.5 V

Motor supply

2.5–12 V

Continuous current

1.2 A per channel

Dimensions

20 × 19.5 mm

Compatibility

Logic supply 2.7–5.5 V; motor supply 2.5–12 V. Check motor stall current against the 1.2 A continuous channel rating. Motors, external supply and wiring are not included.

Logic supply 2.7–5.5 V; motor supply 2.5–12 V. Check motor stall current against the 1.2 A continuous channel rating. Motors, external supply and wiring are not included.

Manufacturer

Zhanrui Electronics (shenzhen) Co., Ltd.

Manufacturer reference

UNOCH

Controller

ATmega328P

Interface

USB · CH340G

Compatibility

5 V logic. Install the CH340 driver if required. This compatible board is not a genuine Arduino or DFRobot board.

5 V logic. Install the CH340 driver if required. This compatible board is not a genuine Arduino or DFRobot board.

Manufacturer

Shenzhen Youxin Electronic Technology Co., Ltd.

Manufacturer reference

NANOCH

Controller

ATmega328P

Interface

USB · CH340

Compatibility

5 V logic. Check USB connector and header population before assembly; soldering may be required. USB cable excluded.

5 V logic. Check USB connector and header population before assembly; soldering may be required. USB cable excluded.

Manufacturer

Shenzhen Neuron Technology Co., Ltd.

Manufacturer reference

104699755262

Interface

CP2102 · USB

Pins

38

Compatibility

3.3 V GPIO. CP2102 USB interface, 38-pin version. Do not substitute ESP32-S3 firmware or pin maps. USB cable excluded.

3.3 V GPIO. CP2102 USB interface, 38-pin version. Do not substitute ESP32-S3 firmware or pin maps. USB cable excluded.

Manufacturer

Ruinuosi (Shenzhen) Technology Co., Ltd.

Manufacturer reference

106004620603

Contacts

400

Compatibility

400-contact variant. Verify rail continuity with a meter. Not suitable for mains voltage or motor power paths.

400-contact variant. Verify rail continuity with a meter. Not suitable for mains voltage or motor power paths.

Manufacturer

Ruinuosi (Shenzhen) Technology Co., Ltd.

Manufacturer reference

106004620604

Contacts

830

Compatibility

830-contact variant. Verify split power rails before wiring. Low-voltage signal circuits only.

830-contact variant. Verify split power rails before wiring. Low-voltage signal circuits only.

Manufacturer

Ruinuosi (Shenzhen) Technology Co., Ltd.

Manufacturer reference

106004620605

Format

MB102

Outputs

2

Compatibility

Power supply excluded. Check polarity, jumper voltage and breadboard rail spacing before connecting a controller. Do not power motors from breadboard rails.

Power supply excluded. Check polarity, jumper voltage and breadboard rail spacing before connecting a controller. Do not power motors from breadboard rails.

Manufacturer

Ruinuosi (Shenzhen) Technology Co., Ltd.

Manufacturer reference

106004620620

Contents

65

Compatibility

Sold as one 65-wire assortment. Lengths vary within the pack. Inspect the connector ends before use.

Sold as one 65-wire assortment. Lengths vary within the pack. Inspect the connector ends before use.

Manufacturer

Shantou Longhu Shuorui Department Store

Manufacturer reference

107723195286

Supply

5 V

Interface

TRIG · ECHO

Compatibility

5 V variant. Echo is a 5 V signal: add a suitable divider or level shifter before connecting a 3.3 V GPIO. Not a waterproof sensor.

5 V variant. Echo is a 5 V signal: add a suitable divider or level shifter before connecting a 3.3 V GPIO. Not a waterproof sensor.

Manufacturer

Shenzhen Shunlongda Electronics Co., Ltd.

Manufacturer reference

SG90

Model

SG90

Travel

180°

Compatibility

180° positional variant, not continuous rotation. Use a regulated external servo supply and a common ground. Never draw servo current from a GPIO.

180° positional variant, not continuous rotation. Use a regulated external servo supply and a common ground. Never draw servo current from a GPIO.

Manufacturer

Shenzhen Neuron Technology Co., Ltd.

Manufacturer reference

104941682873

Controller

LM2596

Output

1.25–35 V

Compatibility

DC step-down only; input must exceed output. Measure the unloaded output before connecting electronics. The chip's 3 A headline is not a verified continuous module rating; provide cooling and test load regulation.

DC step-down only; input must exceed output. Measure the unloaded output before connecting electronics. The chip's 3 A headline is not a verified continuous module rating; provide cooling and test load regulation.

Manufacturer

Shenzhen Shengtaixin Technology Co., Ltd.

Manufacturer reference

MPU6050

Model

GY-521 · MPU6050

Axes

6

Interface

I²C

Compatibility

Use 3.3 V logic and verify breakout power wiring. No magnetometer is included; yaw drifts without an external reference.

Use 3.3 V logic and verify breakout power wiring. No magnetometer is included; yaw drifts without an external reference.

Manufacturer

Shenzhen Andeweier Techology Co., Ltd.

Manufacturer reference

BH1750

Model

GY-302 · BH1750

Interface

I²C

Compatibility

I²C interface. Use 3.3 V logic and check the breakout pull-ups before connecting. Not a calibrated laboratory lux meter.

I²C interface. Use 3.3 V logic and check the breakout pull-ups before connecting. Not a calibrated laboratory lux meter.

Manufacturer

Shenzhen Detone Technology Co., Ltd.

Manufacturer reference

OLED096

Resolution

128 × 64 px

Interface

I²C

Diagonal

0.96″

Compatibility

Check the fitted SSD1306/SSD1315 controller, address and library before programming. Use 3.3 V logic. Pin order must be checked on the supplied board.

Check the fitted SSD1306/SSD1315 controller, address and library before programming. Use 3.3 V logic. Pin order must be checked on the supplied board.

Manufacturer

Shenzhen Junbaoxiang Technology Co., Ltd.

Manufacturer reference

105640025394

Model

RC522

Contents

1 × RC522 · 1 × S50 · 1 × RFID

Compatibility

3.3 V power and logic. Reader set includes one S50 card and one key fob. For learning only; not a complete secure access-control system.

3.3 V power and logic. Reader set includes one S50 card and one key fob. For learning only; not a complete secure access-control system.

Manufacturer

Shenzhen Sinosky Electronics Co., Ltd.

Manufacturer reference

DHT22

Model

DHT22 · AM2302

Measurements

°C · % RH

Compatibility

Use the module's documented digital timing and pin order. Verify the pull-up resistor and keep the sensor away from board heat. Not waterproof.

Use the module's documented digital timing and pin order. Verify the pull-up resistor and keep the sensor away from board heat. Not waterproof.

Manufacturer

Shenzhen Sanhuang Technology Co., Ltd.

Manufacturer reference

107819603120

Model

DS18B20

Cable

1 m

Interface

1-Wire

Compatibility

1-Wire interface. Add the required data pull-up and verify wire colours against the supplied diagram. The probe is sold as waterproof; no immersion-depth or IP certification is verified. Do not immerse the cable termination.

1-Wire interface. Add the required data pull-up and verify wire colours against the supplied diagram. The probe is sold as waterproof; no immersion-depth or IP certification is verified. Do not immerse the cable termination.

Manufacturer

Shenzhen Sanhuang Technology Co., Ltd.

Manufacturer reference

107819603121

Model

DS18B20

Cable

2 m

Interface

1-Wire

Compatibility

1-Wire interface. Add the required data pull-up and verify wire colours against the supplied diagram. The probe is sold as waterproof; no immersion-depth or IP certification is verified. Do not immerse the cable termination.

1-Wire interface. Add the required data pull-up and verify wire colours against the supplied diagram. The probe is sold as waterproof; no immersion-depth or IP certification is verified. Do not immerse the cable termination.

Manufacturer

Shenzhen Sanhuang Technology Co., Ltd.

Manufacturer reference

107819603122

Model

DS18B20

Cable

3 m

Interface

1-Wire

Compatibility

1-Wire interface. Add the required data pull-up and verify wire colours against the supplied diagram. The probe is sold as waterproof; no immersion-depth or IP certification is verified. Do not immerse the cable termination.

1-Wire interface. Add the required data pull-up and verify wire colours against the supplied diagram. The probe is sold as waterproof; no immersion-depth or IP certification is verified. Do not immerse the cable termination.

Manufacturer

Shenzhen Shiji Chaoyue Electronics Co., Ltd.

Manufacturer reference

PIR501

Model

HC-SR501

Detection

PIR

Compatibility

Detects changes in thermal radiation, not reliable stationary occupancy. Check the module supply and output levels. Allow warm-up and keep away from moving heat sources.

Detects changes in thermal radiation, not reliable stationary occupancy. Check the module supply and output levels. Allow warm-up and keep away from moving heat sources.

Manufacturer

Shenzhen Kexinxin Technology Co., Ltd.

Manufacturer reference

105735360256

Model

TTP223

Dimensions

12 × 14 mm

Compatibility

Check output polarity and momentary/toggle solder settings. Use logic levels compatible with the controller. Enclosure material changes sensitivity.

Check output polarity and momentary/toggle solder settings. Use logic levels compatible with the controller. Enclosure material changes sensitivity.

Manufacturer

Lixinc Electronics Co., Limited

Manufacturer reference

KY040

Model

KY-040

Mounting

Unthreaded

Compatibility

Unthreaded variant. Debounce contacts in software. Verify pull-ups and input voltage. No motor, absolute angle calibration or shaft coupling included.

Unthreaded variant. Debounce contacts in software. Verify pull-ups and input voltage. No motor, absolute angle calibration or shaft coupling included.

Manufacturer

Okystar Technology Co., Ltd.

Manufacturer reference

OKY3195

Controller

L298N

Channels

2

Reference

OKY3195

Compatibility

Motors and external supply excluded. Size wiring from motor stall current, allow for driver voltage drop and cooling, and verify the regulator jumper before use. Do not assume the IC maximum current is a continuous module rating.

Motors and external supply excluded. Size wiring from motor stall current, allow for driver voltage drop and cooling, and verify the regulator jumper before use. Do not assume the IC maximum current is a continuous module rating.

Manufacturer

Shenzhen Quine Trading Company

Manufacturer reference

STEPPER5

Supply

5 V DC

Motor

28BYJ-48

Driver

ULN2003

Compatibility

One motor-and-driver set, 5 V variant. Use an external regulated motor supply with common ground. Validate actual gearbox ratio, backlash and current before precision positioning; do not power coils from GPIO.

One motor-and-driver set, 5 V variant. Use an external regulated motor supply with common ground. Validate actual gearbox ratio, backlash and current before precision positioning; do not power coils from GPIO.

Manufacturer

Shenzhen Chuangheying Electronic Technology Co., Ltd.

Manufacturer reference

SCALE5

Capacity

5 kg

Converter

HX711

Interface

DOUT · SCK

Compatibility

Nominal 5 kg kit. Controller excluded. Check HX711 power and data levels, mount on a rigid surface and calibrate with known masses. Not certified for commercial weighing. Never overload the load cell.

Nominal 5 kg kit. Controller excluded. Check HX711 power and data levels, mount on a rigid surface and calibrate with known masses. Not certified for commercial weighing. Never overload the load cell.

Manufacturer

Shanghai Gaofen Industrial Aluminum Profile Co., Ltd.

Manufacturer reference

107132115770

Option

2020

Compatibility

Profile series, not bracket dimensions. Confirm slot, hole pitch, bolts and nuts; mounting hardware excluded.

Profile series, not bracket dimensions. Confirm slot, hole pitch, bolts and nuts; mounting hardware excluded.

Manufacturer

Shenzhen Yahboom Technology Co., Ltd.

Manufacturer reference

107518650779

Option

65 mm · classic

Wheel diameter

65 mm

Pack

1

Compatibility

Verify axle bore, hub and handedness before assembly. Photo shows related options.

Verify axle bore, hub and handedness before assembly. Photo shows related options.

Manufacturer

Shenzhen Yahboom Technology Co., Ltd.

Manufacturer reference

103869740332

Option

65 mm · 4

Wheel diameter

65 mm

Pack

4

Compatibility

Verify axle bore, hub and handedness before assembly. Photo shows related options.

Verify axle bore, hub and handedness before assembly. Photo shows related options.

Manufacturer

Shenzhen Crownhaosheng Technology Co., Ltd.

Manufacturer reference

2WD00099

Option

2WD

Compatibility

Controller, motor driver and batteries excluded. Check axle, mounting holes and exact bundle before physical assembly.

Controller, motor driver and batteries excluded. Check axle, mounting holes and exact bundle before physical assembly.

Manufacturer

Shenzhen Sharphy Electronic Co., Ltd.

Manufacturer reference

109023930306

Option

6 DOF · brackets

Compatibility

Six servos, controller and power supply excluded. Confirm servo size, spline and hole pitch; no gait simulation.

Six servos, controller and power supply excluded. Confirm servo size, spline and hole pitch; no gait simulation.

Manufacturer

Shenzhen Sharphy Electronic Co., Ltd.

Manufacturer reference

108957427118

Option

U · black

Compatibility

Confirm servo dimensions, horn clearance and mounting pitch. Not a universal servo mount.

Confirm servo dimensions, horn clearance and mounting pitch. Not a universal servo mount.

Manufacturer

Jinan Maolei Bearing Co., Ltd.

Manufacturer reference

S606ZZ

Option

6 × 17 × 6 mm

Dimensions

6 × 17 × 6 mm

Compatibility

Nominal bore × outside diameter × width. Verify fits and load ratings; no certified ABEC performance claim.

Nominal bore × outside diameter × width. Verify fits and load ratings; no certified ABEC performance claim.

Manufacturer

DFRobot

Manufacturer reference

FIT0060

Option

M3 × 5 mm

Hardware

M3 × 5 mm · 10 + 10

Compatibility

M3 thread; length is not total assembly clearance. Check plate thickness, thread pitch and head clearance.

M3 thread; length is not total assembly clearance. Check plate thickness, thread pitch and head clearance.

Manufacturer

RobotDigg

Manufacturer reference

MK2BP

Option

MK2B · ~214–215 × 214–215 × 2 mm

Dimensions

MK2B · ~214–215 × 214–215 × 2 mm

Compatibility

Verify hole layout. MK2B source gives both 214 and 215 mm; exact outer size requires confirmation. Not custom-cut raw sheet.

Verify hole layout. MK2B source gives both 214 and 215 mm; exact outer size requires confirmation. Not custom-cut raw sheet.