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Under $20 Circuit Decoders & Encoders

Shop the best prices on 2,314 great value under $20 circuit decoders & encoders. Shopping for circuit decoders & encoders is easy with Fruugo, with SALE discounts, offers and savings on Rosfix. Buy circuit decoders & encoders online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 2,314
RS422 Mutual Conversion TTL Two-Way Signal Module Full Duplex 422 Turn Singl MAX490 to TTL Module 2pc
$9.95 Save $6.00 RRP: $15.95
5 PCS KY-040 Rotary Encoder Module, 360 Degree Rotary Encoder with Knobs Cap Brick Sensor Modules f
$11.95 Save $3.00 RRP: $14.95
Optically Isolated USB to TTL Serial Isolated Optoelectronic Isolated
$16.95 Save $8.00 RRP: $24.95
AE11A04 DTMF Audio Generator Module Voice Dual Encode Transmitter Board 5~24VDC Edition 0125
$9.95 Save $36.00 RRP: $45.95
DIY Morse Code Decoder Kit with LCD Display for CW Trainer Radio Circuit Board
$21.95 Save $11.00 RRP: $32.95
Absolute Value Encoder PWM/I2C Port High Accuracy 12-Bit Encoder for Brushless Gimbal Motor
$14.95 Save $4.00 RRP: $18.95
Dual Encoder with Switch 30 Positioning Number 15 Pulse Point Handle 25mm
$19.95 Save $8.00 RRP: $27.95
5V MP3 Audio Decoder Module USB FM Radio MP3 Decoding Board Music Player with Power AmplifierBlack
$16.95 Save $5.00 RRP: $21.95
02CABT Decoding Board Universal WAV Decoding Module MP3 Decoder Board with Bluetooth CallBlack
$19.95 Save $6.00 RRP: $25.95
6pcs EC11 Rotary Encoder with Push Button 360 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32
$8.95 Save $6.00 RRP: $14.95
Aluminum Alloy Caps Solid Knob Dual- Encoder Special Knob EC11EBB24C03 EC110701N2B Adjustment Knob Silver
$13.95 Save $4.00 RRP: $17.95
Rosfix 2X Potentiometer Knob 6mm Red 15x17mm | High Quality | Ergonomic Design Rosfix
$2.95
Recording Module, USB-C 16MB 5-Level Volume, PCB+Metal Material, DIY Music Greeting Card Voice Module
$15.95 Save $10.00 RRP: $25.95
5PCS EC11 Rotary Encoder Module 5V Push Button Switch 360 Degree Rotation for Arduino DIY Projects with Knob Cap
$10.95 Save $5.00 RRP: $15.95
DC12V MP3 Decoder Board MP3 Player Wireless Bluetooth Car Audio Decoder with Recording Function Support FM/MMC,Otc Blue
$18.95 Save $9.00 RRP: $27.95
5Pcs YX5200 MP3 Player Audio Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD
$11.95 Save $5.00 RRP: $16.95
2PCS EC11EBB24C03 Dual Axis Encoder with Switch 30 Positioning Number 15 Pulse Point Handle 25mm
$17.95 Save $8.00 RRP: $25.95
AS5600 Magnetic Induction Angle Measurement Sensor High Precision 12-Bit with 3-Pin Wire for Brushless Gimbal Motor
$6.95 Save $3.00 RRP: $9.95
JQ-D122BT with Bluetooth Amplifier MP3 Decoder Board Bluetooth 5.0 Car MP3 Player USB FM Decoder Board
$9.95 Save $5.00 RRP: $14.95
4PCS 433mhz Wireless Decoding Receiving Module 4 Channel Output Decoding Receiver for 433 Mhz Remote Controls
$9.95
MT6701 360 Degree Magnetic Rotation Detection Encoders Module For 3.3V 5V Systems And I2C SPI Interfaces Multicolor
$20.95
XJX-135 MT6816 MT6816CT Magnetic Encoder Evaluation Kit 42-Stepper Motor PWM Control Module
$8.95 Save $4.00 RRP: $12.95
DIY CW Trainer Decoder Kit CW Decoder Morse Code Reader LCD Display Radio Circuit Board Electronic Welding Practice Kits unbrand
$16.95
Rotary Incremental Encoder 38S6G5-B-G24N AB 2-Phase Connection
$17.95 Save $10.00 RRP: $27.95
Bluetooth MP3 Player Decoder Board FM Radio, USB, TF, Silver
$16.95 Save $9.00 RRP: $25.95
Bluetooth MP3 Player Decoder Board FM Radio, USB, TF, Blue
$16.95 Save $10.00 RRP: $26.95
2x20W 12V Wireless Bluetooth 5.3 MP3 Decoder Board Folder Switching USB TF USB MP3 AUX FM Radio Call MP3 Player Module
$10.95 Save $6.00 RRP: $16.95
Multi-Position Rotary Switch Metal Shaft Encoder for Control 5Pcs
$15.95 Save $11.00 RRP: $26.95
Rotary Encoder Reliable Metal Shaft Switch for Precise Appliance Control 5Pcs
$15.95 Save $15.00 RRP: $30.95
Metal Encoder Part Multi-Position Rotary Switch for Audio Control 5Pcs
$15.95 Save $15.00 RRP: $30.95
MT6701 12 Bit Resolution Angle Measurement Module For Drones Steering And Robotic Arm Positioning Systems Multicolor
$20.95
YX6300 UART Serial MP3 Sound Module for Intelligent Home Appliances and Advertising Machines Multicolor
$17.95