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MP1584EN step-down module - 4.5-28 V to 0.5-5 V, 3 A

Funduino Nano R3 microcontroller - ATmega328P, CH340, soldered

AMG8833 thermal imaging camera - 8x8 pixels, -20 to 80 °C, I2C, 3.3 V

Funduino Expansion Board for Calliope mini V3 - various versions

Nano V3.0 microcontroller - ATmega168P, USB-C, 5 V, soldered or unsoldered

ESP32 Smart Display V3 2.8 inch - 320x240 touchscreen, USB-C, various ESP32 modules

MP3-TF-16P V3.0 MP3 player - microSD up to 32 GB, serial

Raspberry Pi Pico RP2040 - microcontroller, 40 pins, 1.8-5.5 V

LM2596S step-down module - 3-40 V to 1.5-35 V, 3 A

Grove Shield for Raspberry Pi Pico V1.0 - 10 Grove ports

CH340 microcontroller board - 5 V, USB, compatible with Arduino UNO R3

LTC1871 step-up module - 3-35 V to 3-35 V, 100 W

Soldering practice rectifier 1N4007 - AC 5-12 V

CA-6928 Audio Amplifier - 3 W at 4 Ohms, 5 V, Bluetooth

B19 Mini FPV Camera - 1/3 CMOS sensor, 2.1 mm lens, orange

FPV camera 1200TVL - 25 x 25 mm, PAL and NTSC, 5-12 V

RAMPS 1.4 Shield - 3D Printer Controller for Arduino MEGA

Arduino 9 Axis Motion Shield - BNO055, 9-axis sensor

ESP32 Shield / ESP32 DevKitC /for WROOM-32D/32U WROVER

16-channel ESP32-WROOM relay module - 5 V, Wi-Fi and Bluetooth

Arduino UNO Q - Linux Dual-Brain Board, 2 or 4 GB RAM

SanDisk Ultra microSD memory card - UHS-I, with SD adapter, 32 to 128 GB

Pro Mini development board - 5 V, 14 digital I/Os, for Arduino, soldered or unsoldered

PDLC film - switchable, milky white, 50-240 V AC, various sizes

Axial fan 50 x 50 x 10 mm - JST-2P connector, 5 V and 12 V

650 nm red laser module - 5 mW, dot, line, or cross

JLH 1969 Class A Audio Amplifier - 2N3055, gold-plated, soldered and unsoldered

Arduino 4 Relays Shield - controls 4 high-power devices

Lithium protection board - 3.7 V, 2 A, overcharge and short-circuit protection

Soldering practice adapter set - 3.5 mm jack, RCA, JST, terminal

DY-AP3001 Amplifier Module - Bluetooth 5.0, 30 W, 8-24 V

TPA3110 audio amplifier - Bluetooth, 2x 15 W, 10-25 V

XH-M531 audio amplifier - stereo 2x 20 W, 12 V

AD8495 thermocouple amplifier - Type K, -200 to +1372 °C

Bluetooth 4.2 amplifier module - 5 V, 2x 2 W stereo or 4 W mono

Bluetooth Audio Module - Stereo 2 x 3 W, 5 V

D1 ESP8266 development board - WiFi, Arduino UNO form factor

ESP32-C3 development board - 0.42-inch OLED, WiFi, Bluetooth LE

1S LiPo charging board - 4 cells in parallel, USB-C, 1 A per cell