Brand: SparkFun Electronics

Thermal Printer

Description: This is a thermal printer like  you would find on a cash register or adding  machine. It will print simple strings passed to it via TTL serial, bitmap images (poorly)  and it even generates several different formats of barcodes!

Buzzer

ON/OFF Switch 12VDC

XL4015 DC-DC Step Down Adjustable Power Supply Module 5A Max

 Specification: Input voltage range：4～38VDC(Note:input voltage not exceeding 38V) Output voltage range：1.25-36VDC adjustable Output current: 0-5A, recommended for use in 4.5A. Output power: 75W Working temperature: -40~+85 degrees Operating frequency: 180KHz Efficiency:96%（max) Short circuit protection: yes(limit current 8A).

HB100 Microwave Sensor 10.525GHz Doppler Radar Motion Detector Arduino 

Type: Microwave SensorChip: HB100Frequency: 10.525GHzVoltage: DC 5V±0.25VCurrent: 40mASize: 38 x 45 x 7 mm (L x W x H)Application: Automatic door startup, Car, House intrusion alarm, Collision warningTraffic monitoringNote:Please pay attention to the Voltage/Current/Power of your own devices.To ensure product safety, check whether this item is compliant...

3×4 Flexible Keypad

This keypad has 12 buttons, arranged in a 3×4 grid. It’s made of a thin, flexible membrane material  The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to connect the key pad.

Brand: SparkFun Electronics

Raspberry Pi - 2 Model B Enclosure (Black)

Raspberry Pi - Model B+ Enclosure (Black) Description: The Raspberry Pi Model B+ is THE new favorite of development platforms, so the last thing that you’d want is for something bad to happen to it. Why not protect it with one of these snazzy black plastic enclosures?

TCRT5000L Reflective Optical Sensor

The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips. TCRT5000L is the long lead version.

4x4 Keypad - 16 Key - Matrix Membrane Type

4 x 4 Matrix Membrane Keypad Size: 7cm X 7.5cm 8 pin connector Adhesive mounting (sticker on the back side) Maximum Circuit Rating: 35VDC, 100mA Operation Temperature: 0 to +60 centigrade Humidity: 40 centigrade, 90%-95%, 240 hours Fexible Circuit Length: Approx. 3.3 inch / 83 mm

5V 1 Channel Solid State Relay (SSR)

Light Depending Resistor (LDR)

8 Channel Logic Analyzer Oscilloscope USBee AX Pro I2C IIC SPI CAN Debugger

8 Channel Logic Analyzer Oscilloscope USBee AX Pro I2C IIC SPI CAN Debugger Feature: Dual Oscilloscope Input (single channel- 16Msps- 3MHz bandwidth) 8-CH Logic Analyzer Data Recorder Dual-Voltmeter

X9C103S Digital Potentiometer Module for Arduino

Module Voltage: DC6-15V;Operating Current: less than 5mA;Transmitting Power: less than 2mAOutput Signal: TTL trigger repeated, high and low. High output 5V, low level 0V;Detection Angle: 180 degrees (hemispherical);Detection Range: 3-8m,the default setting is 7mWork Delay: 2S-120S,the default setting is 20S

Mini Breadboard

Description: This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board...

Brand: SparkFun Electronics

EasyVR Shield 3.0 - Voice Recognition Shield

Description:  Do you make time to talk to your Arduino? Maybe you should! The Easy VR Shield 3.0 is a voice recognition shield for Arduino boards integrating an EasyVR module. It includes all of the features of the EasyVR module in a shield form factor that simplifies connection to the Arduino main board and PC.

Line Following Robot Kit

1.5W 8ohm Mini Speaker DIY

15mmx24mm Speaker, rated power is 1W, impedance is 8 Ohm This small speaker will be your best choice in DIY audio speakers it will work well for home audio-visual equipment and other speakers Unique design, adopted well-performed magnet, imported rubber coil The package includes 1pcs small speakers, if the item you have received is defective or get some...

LIDAR Lite

Description:  his is the LIDAR Lite, a compact high  performance optical distance measurement sensor  from PulsedLight. The LIDAR Lite is ideal when used  in drone, robot, or unmanned vehicle situations where  you need a reliable and powerful proximity sensor but  don’t possess a lot of space.

AA Battery Holder 2s

New ENC28J60 Ethernet LAN Network Module For Arduino

Chip board ENC28J60-I/SOThe board 25MHZ crystalThe network interface board HR911105A3.3 V power supply pinThe board size : 56 (mm) x 34 (mm)

PL2303 USB to TTL Serial Converter (Windows 7 & 10 Compatible)

PL2303 USB to TTL Converter Windows 7 & 10 Compatible

Mini Cooling Fan 40x40x10mm

LM2596 DC-DC Step Down Adjustable Power Supply Module 3A Max

This is a very compact DC-DC step-down converter capable of supplying any voltage between 1.23 and 30 V from a higher voltage power supply (up to 35 V). 

10k ohm Variable Pot Resistor 103

10K OHM 103 VARIABLE RESISTOR

Brand: SparkFun Electronics

LIDAR-Lite v3

Features: Range: 0-40m Laser Emitter Accuracy: +/- 2.5cm at distances greater than 1m Power: 4.75–5V DC; 6V Max Current Consumption: 105ma idle; 130ma continuous Rep Rate: 1–500Hz Laser Wave Length/Peak Power: 905nm/1.3 watts Beam Divergence: 4 m Radian x 2 m Radian Optical Aperture: 12.5mm Interface: I2C or PWM

Tolsen Cordless Screwdriver (Set)

Cordless Screwdriver With Set

ESP8266 ESP-01 WIFI Wireless Transceiver Send Receive LWIP AP+STA M70

ESP8266 is a wifi SOC (system on a chip) produced by Espressif Systems. It is an highly integrated chip designed to provide full internet connectivity in a small package. This is a module based on ESP8266 chip. Please see supplied pinout photo and schematics for connectivity details. There is a lot of online resources available for this module. 

Sonoff 4CH R2 Smart Switch Wifi

Sonoff 4CH R2 Smart Switch Wifi Power Supply: 90V~250V AC(50/60Hz) Max. Current: 10A/gang Max. Power：2200W/gang, 2200W/Total Wireless Standard: 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0

LM35 Temperature Sensor

Description The LM35 series are precision integrated-circuit temperature sensors, with an output voltagelinearly proportional to the Centigrade temperature. Thus the LM35 has an advantage over linear temperature sensors calibrated in ° Kelvin, as the  user is not required to subtract a large constant voltage from  the output to obtain convenient...

Arduino SD card Module

Arduino SD card Module