INA219-based measurement module for monitoring voltage, current, and power in DC circuits. It measures voltages up to 26V and bidirectional current up to ±3.2A using an onboard 0.1Ω shunt resistor. Communication is handled via I2C, while two Qwiic connectors simplify connection to compatible boards. Soldered 333066

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5452

Four-channel relay module designed for independent control of four AC or DC loads using a microcontroller. Each of the four relays supports loads of up to 10 A at 250 V AC or 10 A at 30 V DC, while the control circuit is compatible with 3.3 V and 5 V logic levels. Soldered 333022

16-channel GPIO expander with an I2C interface microcontroller can interface with 16 fully configurable digital input/output pins. It can produce PWM signals, so you can dim LEDs. It can be set to blink or even breathe pins at varying rates. With a built-in keypad engine, it can interface with up to 64 buttons set up in an 8x8 matrix. BOB-13601

USB-A Plug with 25 cm Cable, 4-pin, designed for power and communication applications in USB 2.0 standard. Ideal for DIY projects and simple circuits requiring 5 V DC power supply.

Ultra-low-power 8-bit MCU with 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM, LQFP32, STM, RoHS

Durable and flexible test leads terminated with insulated alligator clips, designed for safe testing of devices powered with up to 1000 V and 15 A. The soft silicone insulation provides heat resistance, working comfort, and high flexibility for repeated use.

IR distance sensor with a range of up to 400 cm. It has a digital output that changes its state when the sensor detects an object. DFRobot SEN0531

Tilt Sensor

The Double Eye LCD 0.71-inch module Waveshare 29381 with two displays, each with a resolution of 160×160 and an SPI interface, offers a compact solution for projects with limited space and high visual demands. Featuring full-color IPS panels, compatibility with microcontrollers, and included convex lenses, the module is ideal for creative applications such as user interfaces, wearable gadgets, or interactive robots.

Wireless-BE200 is a modern Wi-Fi 7 network card with an M.2 E Key interface, offering high throughput across three frequency bands and Bluetooth 5.4 for versatile wireless connectivity. With advanced technologies such as MU-MIMO and WPA4, it is ideal for upgrading computers, development kits, and modern embedded systems with fast and secure network access.

N-channel 120V 7.9mΩ standard level MOSFET in TO220, TO-220AB, NXP, RoHS

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5446

GPS module, SiRF4, 48 channels, SMD, SIMcom

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5456

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5453

The Sunon A2123-HST.(7).GN axial AC fan, measuring 120 x 120 x 38 mm, provides efficient cooling at 230 V. Equipped with a sleeve bearing, connection terminals, and compliant with UL94V-0 flammability standards, it is designed for industrial and electronic applications.