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ESP32 Development Board WiFi+Bluetooth Module Dual Core NodeMCU-32S ESP32-32D 32U 30Pin Board Ultra-Low Power Consumption

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RDA5807 87-108MHz FM Radio DIY Radio Soldering Kit Suitable for School Teaching and DIY Enthusiasts Etc.

16A Mini ZigBee Smart Switch Module DIY Light Relay Breaker Intelligent Life App Control,Home Automation Works with Alexa Google

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TENSTAR 3pcs XL6019 (XL6009 Upgrade) 20W 5-32V to 1.3-35V Automatic Step-Up Step-Down Dc Adjustable Power Supply Module

ICL8038 Low-Frequency Signal Generator DIY Kit 12V Xr2206 Shell 5Hz-400kHz Multi-Wave Welding Electronic Circuit Experiment Kit