Circuitry & IOT

SKU: SF-KIT-14189 | Brand: SparkFun

The SparkFun Inventor’s Kit (SIK) is a great way to get started with programming and hardware interaction with the Arduino programming language. The SIK includes everything you need to complete 16 circuits that will t...

SKU: DF-FIT0227 | Brand: DFRobot

The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for detecting CO concentrations in the air. It offers a wide detection range from 20 to 2000 ppm, making it ideal for safety monitoring and air quality p...

SKU: DF-SEN0138-R | Brand: DFRobot

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force.Micro switches are very widely used; among their appl...

SKU: SF-PRT-08672 | Brand: SparkFun

This is a simple two wire cable. One end has a 2-pin 0.1" pitch female connector, the opposite end is stripped and tinned stranded wire. Dimensions: 120mm length

SKU: SF-PRT-00553 | Brand: SparkFun

A row of right angle male headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.

SKU: SF-PRT-00111 | Brand: SparkFun

A standard alligator clip — an essential tool for any electronics workbench. Use it for making quick temporary connections when prototyping circuits, testing components, or extending test leads. Ideal For Prototypin...

SKU: PL-1115 | Brand: Pololu

This double-row, 14-pin (2×7) extended male header with 0.1" (2.54mm) pitch features extra-long 22.85mm pins — significantly longer than standard headers. The extended length is useful for making connections that span...

SKU: PL-1114 | Brand: Pololu

This single-row, 2-pin extended male header with 0.1" (2.54mm) pitch features extra-long 22.85mm pins — significantly longer than standard headers. The extended length is useful for making connections that span greate...

SKU: AF-248 | Brand: Adafruit

A 6×AA battery holder with a 5.5mm/2.1mm DC barrel plug, ready to power Arduino boards and other electronics with a standard DC jack. Use alkaline AAs for approximately 9V at 3000–4000mAh, or rechargeable NiMH cells f...

SKU: SF-SEN-13322 | Brand: SparkFun

The SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two large exposed pads function as probe...

SKU: PL-1032 | Brand: Pololu

The 0.100″ (2.54 mm) 2×16-Pin Straight Female Header is a double-row, 32-pin socket strip designed to mate with standard 0.1″ pitch male headers. Its dual-row configuration makes it suitable for high-pin-count connect...

SKU: PL-1027 | Brand: Pololu

The 0.100″ (2.54 mm) 2×7-Pin Straight Female Header is a double-row, 14-pin socket strip designed to mate with standard 0.1″ pitch male headers. The 2×7 layout provides a medium-density connection point suitable for a...

SKU: PL-1026 | Brand: Pololu

The 0.100″ (2.54 mm) 2×6-Pin Straight Female Header is a double-row, 12-pin socket strip designed to mate with standard 0.1″ pitch male headers. Its 2×6 layout provides a compact, medium-density connection suitable fo...

SKU: PL-1022 | Brand: Pololu

The 0.100″ (2.54 mm) 2×2-Pin Straight Female Header is a compact double-row, 4-pin socket strip designed to mate with standard 0.1″ pitch male headers. Its small 2×2 footprint is ideal for simple power or signal conne...

SKU: PL-1021 | Brand: Pololu

This single-row, 11-pin straight female header with 0.1" (2.54mm) pitch is designed to mate with standard 0.1" male headers. It provides a reliable socket connection for board-to-board and board-to-wire applications. ...

SKU: AF-386 | Brand: Adafruit

The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no an...

SKU: SF-PRT-10592 | Brand: SparkFun

This is the SMD version of PRT-07948, which is the unit we like to use as RTC backup and SRAM backup for GPS units. Holds battery in place with friction. The metal housing connects to the positive side of the batte...

SKU: PL-1919 | Brand: Pololu

These 1×12-pin crimp connector housings let you quickly build custom cables that mate with standard 0.1" (2.54mm) spaced connectors. Pair them with pre-crimped terminal wires to create reliable, removable multi-wire c...

SKU: PL-1918 | Brand: Pololu

These 2×16-pin crimp connector housings let you quickly build custom cables that mate with standard 0.1" (2.54mm) spaced connectors. Pair them with pre-crimped terminal wires to create reliable, removable 32-wire conn...

SKU: SF-PRT-10512 | Brand: SparkFun

A snap-in 9V battery holder with a 5.5mm/2.1mm centre-positive barrel jack connector. The battery clicks securely into place, and three mounting holes allow you to attach the holder to an enclosure or chassis. Key Fe...