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DIY Classic DA47 Headphone Amplifier Circuit Board Kits DC 3.7V To 30V Single Power Portable HIFI AMP Amplifier Module Only $8.07	DIY TDA2030A DC 12V 30W 1.5A 2.1 Amplifier Board Kit 3 Channels Computer Speaker Subwoofer Circuit Board Only $8.49
DIY Voice Controlled Melody Light 5MM Highlight DIY LED Flash Electronic Training Kit Only $1.55	5pcs DIY LM7806/LM7809/LM7815 Three Terminal Regulator Module 5V Voltage Regulator Module Kit Only $6.35
3pcs DIY LM7809 Three Terminal Regulator Module 5V Voltage Regulator Module Kit Only $4.08	EQKIT Audio Spectrum 8x4 DIY Kit Level Indicator Voice Spectrum Lights Red+Blue Colorful Display DIY Kits DC 5V Only $4.99
DIY Single Chip Microcomputer Laser Harp Kit Electronic Piano Music Box On Sale ~~$11.09~~ $9.04	3pcs DIY LM358 DC Motor Speed Controller Kit DC Motor Speed Module Kit Only $8.46
DIY FM Wireless Microphone Electronic Kit FM Electronic Production Parts Training Only $3.68	3Pcs DIY FM Wireless Microphone Electronic Kit FM Electronic Production Parts Training Only $9.69
Inverted Step Up High Voltage Generator Arc Igniter Coil Module 15KV High Frequency Transformer Kit Only $2.99	3pcs Inverted Step Up High Voltage Generator Arc Igniter Coil Module 15KV High Frequency Transformer Kit Only $7.43
DIY 6 Digital LED Electronic DIY Clock Kit Electronic Component Parts 9V-12V AT89C2051 Only $3.74	LM386 DC 3-12V 3.5mm Super Mini Audio Amplifier Board Module Audio Power Electronic Kit Only $2.29
5pcs LM386 DC 3-12V 3.5mm Super Mini Audio Amplifier Board Module Audio Power Electronic Kit Only $8.53	3pcs LM386 DC 3-12V 3.5mm Super Mini Audio Amplifier Board Module Audio Power Electronic Kit Only $5.39
Colorful Star LED Blinking DIY Learning Kit Only $5.29	5Pcs DIY Touch Vibration Alarm Kit Electronic Training Teaching Only $7.78
DC 3-14V DIY Simple LED Red Flashlight Circuit Kits DIY Multiharmonic Oscillating Electronic Circuit Sets PCB Board + Electronic Components + Instructions Only $1.69	DIY Pyroelectric Infrared Sensor Kits Anti-Theft Circuit Electronic Technology Training Sets Only $4.67
FM Wireless Microphone Kit FM Radio Transmitter Module Electronic Training Kit Only $3.61	DIY 5V 2A Voltage Regulator Junction Box Solar Panel Charger Special Kit For Electronic Production Only $2.86
Voice Control Melody DIY LED Flash Kit Production Suite Small Electronic Learning Electronic Kits Only $1.29	10Pcs Voice Control Melody DIY LED Flash Kit Production Suite Small Learning Electronic Kits On Sale ~~$9.99~~ $5.99
5Pcs Voice Control Melody DIY LED Flash Kit Production Suite Small Learning Electronic Kits On Sale ~~$4.89~~ $3.39	3Pcs Voice Control Melody DIY LED Flash Kit Production Suite Small Learning Electronic Kits On Sale ~~$3.69~~ $2.29
5pcs DIY 5V 2A Voltage Regulator Junction Box Solar Panel Charger Special Kit For Electronic Production Only $8.16	3pcs DIY 5V 2A Voltage Regulator Junction Box Solar Panel Charger Special Kit For Electronic Production Only $5.17
3pcs DIY 6 Digital LED Electronic DIY Clock Kit Electronic Component Parts 9V-12V AT89C2051 Only $9.86	DIY 555 Flashing Signal Light Kit Flashing Speed Adjustable Only $2.82
DIY Electronic Clapping Voice Control Switch Module Kit Induction Training DIY Production Kit Only $1.99	DIY Electronic Piano Making Kit Single Chip Microcomputer Music Box Module Kit Only $5.97