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TP4056 Lithium 18650 Battery Charger With DC-DC Step Up Voltage Converter Module (SKU#HW-357) Li-Ion 18650 Charger + Boost Converter Work with a solar cell $ 1.05 1.05 USD	Lithium 18650 Battery Charger and Discharger + Booster Module Output 12Vdc 10W $ 4.94 4.94 USD	3S 12.6V 2A 18650 Lithium Battery Charger Module USB Type C $ 1.26 1.26 USD	2S 8.4V 2A 18650 Lithium Battery Charger Module USB Type C $ 1.05 1.05 USD
ADS1232 - 24 Bit Delta-Sigma Low Noise SPI ADC Module 2 Channel (Differential) Analog to Digital Converter ADC 2.7-5.3V Module SPI $ 7.88 7.88 USD	GY-AMG8833 Infrared Thermal Imager Sensor Module Non-Contact Infrared Thermometer 8x8 Thermal Camera Sensor $ 36.75 36.75 USD	I2C Interface Expansion Module I2C Hub I2C Adapter Board $ 1.58 1.58 USD	Flame Sensor 5-Channel Module $ 2.73 2.73 USD
WiFi Arduino MEGA2560 With ESP8266 USB-TTL CH340G $ 26.25 26.25 USD	WiFi Arduino UNO ATmega328P R3 With ESP8266 USB-TTL CH340G $ 11.55 11.55 USD	ESP32-DEVKITC Development Board (ESP32-WROOM-32D – 16MB Flash) $ 8.40 8.4 USD	ESP32-DEVKITC Development Board (ESP32-WROOM-32U – 4MB Flash) $ 7.35 7.3500000000000005 USD
ESP32-S3-1N16R8 WiFi + Bluetooth 5.0 BLE Mesh Development Board Designed for Advanced IoT and AI applications $ 11.55 11.55 USD	ESP-32S 38Pin Development Board WiFi Bluetooth with New CP2102 Chip Module 38-Pin ESP-WROOM-32 $ 7.35 7.3500000000000005 USD	Kids Electric Circuit Kit NO.500 - 56 Parts Maze Challenge UFO DIY STEM Toys Educational Electronics for Learning DIY Puzzle Physics Experiment Circuit Science Educational Toy $ 30.45 30.45 USD	Kids Electric Circuit Kit NO.112 - 16 Parts Maze Challenge UFO DIY STEM Toys Educational Electronics for Learning DIY Puzzle Physics Experiment Circuit Science Educational Toy $ 17.85 17.85 USD
DIY CD4017 Colorful Voice Control Rotating LED Light Project Soldering Required $ 1.58 1.58 USD	DIY Solar Wood Windmill House - Science Toy $ 5.15 5.15 USD	DIY Wood Coconut Tree House With Rain Drop Detector Sensor - Science Toy $ 3.89 3.89 USD	DIY Wood Cross Country Vehicle - Science Toy $ 2.00 2.0 USD
Display for HC-SR04 Ultrasonic Distance Measurement Control Board Rangefinder With Serial Data Output $ 3.05 3.0500000000000003 USD	FSR-406 Square Force Sensitive Resistor 40x40 mm - FSR Weight Sensor Squre Force Sensing Resistor $ 17.85 17.85 USD	W5500 SPI To Ethernet TCP/IP Ethernet Network Module Complete Ethernet board for Arduino / Microcontroller $ 6.30 6.3 USD	Arduino Shield - W5500 Ethernet Shield V1.0 - SeeedStudio $ 57.75 57.75 USD
Luckfox Pico Pro/Max RV1106 Linux Micro Development Board, Integrates ARM Cortex-A7/RISC-V MCU/NPU/ISP Processors,128MB Memory Rockchip AI Board ARM Cortex-A7 $ 26.25 26.25 USD	ASUS Tinker Board 2S Development Board 4G+16G $ 185.85 185.85 USD	SONOFF - MINI Extreme R4 WiFi DIY Smart Switch Ultra-Compact Smart Switch $ 13.65 13.65 USD	SONOFF 1 Channel - Basic R4 WiFi DIY Smart Switch $ 11.55 11.55 USD
STM32F411CEU6 ARM STM32 Minimum System Development Board The Black Pill $ 7.88 7.88 USD	Arduino UNO Rev3 SMD Chip (SMD35) - Clone SMD MEGA328P + CH340 Original Chip $ 6.30 6.3 USD