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ANMBEST 16 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Raspberry Pi ArduinoAmazon$89.14
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Electronics-Salon Prototype Screw/Terminal Block Shield Board Kit for Arduino MEGA-2560 R3.Amazon$14.99
5 PCS Optocoupler Isolation Board, Icstation DC 12V Optocoupler Isolation Module EL817 1 Channel Opto PNP NPN Signal Converter, Isolator High-Level Trigger 80KHzAmazon$21.07
Fafeicy 12-Channel DC12-36V PLC Signal Amplifier Board Isolation Relay Module Amplifier Board with NPN Input PNP OutputAmazonSAVE $6.04
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DaFuRui 4 Channel 5V Relay Module,2Pack 5V Relay Board with Optocoupler Support High/Low Level Trigger for Arduino RelayAmazon$8.99
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zixixvan Refrigerator Control Board, Circuit Board Kit Replacement, Compatible with 2932771021 2932771039 RM2652 DM2652 RM2351 RM2451 RM2551 RM2852 DM2852Amazon$296.01
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Treedix 4 pcs Solderable BreadBoard Universal Board PCB Prototype Shield Board Double Sided Tinned Gold Plated Holes Compatible with Arduino Kit Raspberry Pi Shield Prototyping and TestingAmazon$74.99
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Air Conditioning Computer Board CE-KFR80W / BP2T4N1-310 Computer BoardNewegg$11.88
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3D Printer CNC V3 Engraver Expansion Board with 4X A4988 Driver Module and 4 x RadiatorAmazon$34.13
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DC 5-30V 4A Stepper Motor Driver Controller Integrated Board Forward/Reverse Pulse Speed Angle Control Module PLC Serial Communication for NEMA 17 23 MotorAmazon$9.75
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Freenove Breakout Board for Raspberry Pi Pico/Pico H/Pico W, Terminal Block Shield with Pin Header, GPIO Status LEDAmazon$72.99
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Electronics-Salon DIN Rail Mount Screw Terminal Block Adapter Module, for Arduino UNO R3.Amazon$7.99
NOYITO Optocoupler isolation MOS FET 10A DC 2.7-27V High-Power Field Effect Tube Driver Module 0-20Khz PWM Switch Control Board Development Board ModuleAmazon$35.83
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Diitao 2PCS 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board High-Level Trigger Solid State Relay Module Compatible(12V 4-Channel)…Amazon$36.99
BIGTREETECH DIRECT SKR Mini E3 V2.0 Control Board 32Bit Silent Motherboard Integrated with TMC2209 UART Stepper Motor Driver for Upgraded Ender 3 Ender 3 Pro 3D Printer Control BoardAmazon$24.95
Vizio M50Q6-J01 T-Con Board (DCBDM-P280C_02) 8P30D0276500ANewegg$23.72
16-Channel PLC Amplifier Board,12-36VDC PLC Isolation Board,Input NPN Output NPN PLC Isolation Board PLC Relay BoardAmazon$376.74
JIANSU X405UQ For ASUS X405U X405UN X405UR X405URR X405URP X405UQ X405UF Laotop Mainboard X405UQ Motherboard W/ I3-CPU 8GB RAMNewegg$595.24
PCM-9574 REV.A3 100% OK Embedded Motherboard IPC Board Industrial Mainboard PC/104 SBC PCI Slot PC104 with CPU RAMNewegg$107.10
100% for CE-KFR90GW/I1Y CE-KFR70W-21E tested for Midea KFR-70GW/DY-T6 Air conditioning board computer board / circuit boardNeweggSAVE $0.93
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IRS2092S High Power Amplifier Board PCB Digital Power Amplifier Board HiFi Mono Channel Power Amp BoardAmazon$16.30
Oiyagai DB37 D-Sub Male & Female Header Breakout Board Terminal Board Block DIN Rail Mount Interface Module Connector C45 Rails of 35mm WidthAmazon$46.00
4.3 inch EKT043 T5L1 development evaluation board development board with WIFI module interface keil online simulationNewegg$668.44
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INLAND Micro Center AMD Ryzen 9 7950X3D AM5 Unlocked Desktop Processor with AMD 3D V-Cache Technology Bundle ASUS Prime X670E-PRO WiFi Socket AM5(LGA 1718) Ryzen 7000 ATX Motherboard(PCIe 5.0, DDR5)Amazon$30.83
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