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8×8 RGB 64 LED Dot Matrix Display Module 1 × $1.86 -
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ATTINY85 USB Development Board 1 × $1.27 -
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TTP229 16-Way Capacitive Touch Switch Digital keypad Module 1 × $0.63 -
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US-016 Ultrasonic Sensor Distance Measuring Module 1 × $1.07 -
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NE555 + CD4017 Water Flowing Light LED Module DIY Kit 1 × $0.56 -
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PC817 DIP-4 Transistor Output Optocoupler (Pack of 5 ICs) 1 × $0.07
Audio Amplifier module
PAM8406 Digital Amplifier Module With Volume Control Potentiometer 5Wx2 Stereo
$0.38
Audio Amplifier module
PAM8406 Digital Amplifier Module With Volume Control Potentiometer 5Wx2 Stereo
$0.46
Relay Modules
Price range: $0.31 through $0.60
This product has multiple variants. The options may be chosen on the product page 
Audio Amplifier module
PCF8591 Module Analog to Digital / Digital-Analog Converter Module with F-F Jumper Wire
$1.13
$1.00
$204.90
This product has multiple variants. The options may be chosen on the product page 
Development Boards
PIC K150 USB Automatic Develop Microcontroller Programmer with ICSP Cable (Body width: 4 mm)
$4.65
Development Boards
PIC K150 USB Automatic Develop Microcontroller Programmer with ICSP Cable (Body width: 4 mm)
$6.77