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Circuit Boards & Components

13,565 productsUpdated August 2026
5PCS SFK-112DM SFK-124DM SFK-112DMP SFK-124DMP SFK 112DM 124DM 112DMP 124MDP 20A 250VAC Power Relay

NONE

5PCS SFK-112DM SFK-124DM SFK-112DMP SFK-124DMP SFK 112DM 124DM 112DMP 124MDP 20A 250VAC Power Relay

£9.51

5pcs/lot CA3089E CA3089 DIP-16

NONE

5pcs/lot CA3089E CA3089 DIP-16

£5.58

1/5/10PCS PT2399+NE5532 Dual Channel Microphone Reverb Board Digital Preamplifier Board DC12-24V XH-M273

Huaxingfu

1/5/10PCS PT2399+NE5532 Dual Channel Microphone Reverb Board Digital Preamplifier Board DC12-24V XH-M273

£11.77

1PCS LM3915 10 LED Sound Audio Spectrum Analyzer Level Indicator Kit DIY Electoronics Soldering Practice Set

NONE

1PCS LM3915 10 LED Sound Audio Spectrum Analyzer Level Indicator Kit DIY Electoronics Soldering Practice Set

£4.70

2PCS~10PCS 100%NEW TAS5631BPHDR TAS5631BPHD TAS5631B TAS5631 5631 QFP64 New and original

NONE

2PCS~10PCS 100%NEW TAS5631BPHDR TAS5631BPHD TAS5631B TAS5631 5631 QFP64 New and original

£23.39

50Pcs/set Resistor Kit SMD Assorted Kit R001 R002 R005 R008 R010 R015 Low-Resistance Resistor Pack 1% Set of Resistor 2512

NONE

50Pcs/set Resistor Kit SMD Assorted Kit R001 R002 R005 R008 R010 R015 Low-Resistance Resistor Pack 1% Set of Resistor 2512

£9.05

20pcs 3W 5% Metal Oxide Carbon Film Resistor 10 22 33 47 51 62 75 82 91 100 220 470 1K 10K 100K 2.2 4.7 22 47 100 220 470 R ohm

JU-HIWOR

20pcs 3W 5% Metal Oxide Carbon Film Resistor 10 22 33 47 51 62 75 82 91 100 220 470 1K 10K 100K 2.2 4.7 22 47 100 220 470 R ohm

£3.68

TEC1-12706 12708 Thermoelectric Cooler Peltier 40*40MM 12V Peltier Elemente Module

Si Tai&SH

TEC1-12706 12708 Thermoelectric Cooler Peltier 40*40MM 12V Peltier Elemente Module

£4.50

LM5017 LM5017MRX LM5017MR L5017MR L5017 SOP8 New Original 100% quality

LM5017 LM5017MRX LM5017MR L5017MR L5017 SOP8 New Original 100% quality

£3.35

INA226 IIC I2C interface Bi-directional current/Power monitoring sensor module For Arduino

EGBO

INA226 IIC I2C interface Bi-directional current/Power monitoring sensor module For Arduino

£5.69

20PCS 817C 814A 816C 816D SMD DIP 4Pin LTV-814-A LTV-816 LTV-817 EL817 PC814 PC816 PC817-A/B/C/D Phototransistor Photocoupler IC

Axtaike

20PCS 817C 814A 816C 816D SMD DIP 4Pin LTV-814-A LTV-816 LTV-817 EL817 PC814 PC816 PC817-A/B/C/D Phototransistor Photocoupler IC

£3.42

OV2640 Camera Module Adapter Board Module with Double Flash Light Control Development 8-Bit SCCB IIC Port 18PIN RGB YUV JPEG

UICPAL

OV2640 Camera Module Adapter Board Module with Double Flash Light Control Development 8-Bit SCCB IIC Port 18PIN RGB YUV JPEG

£5.43

SX 3.5A DC-DC Converter Module Buck Step-Down Voltage Regulator Board 4.5V-27V to 3V 3.3V 3.7V 5V 6V 7.5 9V 12V DD2712SA

NONE

SX 3.5A DC-DC Converter Module Buck Step-Down Voltage Regulator Board 4.5V-27V to 3V 3.3V 3.7V 5V 6V 7.5 9V 12V DD2712SA

£4.28

1000PCS 1/4W 0.25W Carbon Film Resistors 5% 1R-1M 1.2K 1.5 2 2.2 3 3.3 4.7 5.1 10 15 22 33 47 100 470ohm Color Ring Resistance

NONE

1000PCS 1/4W 0.25W Carbon Film Resistors 5% 1R-1M 1.2K 1.5 2 2.2 3 3.3 4.7 5.1 10 15 22 33 47 100 470ohm Color Ring Resistance

£5.53

5/10/50/100PCS 100% NEW ATTINY202-SSNR ATTINY202 SOP8 IC

NONE

5/10/50/100PCS 100% NEW ATTINY202-SSNR ATTINY202 SOP8 IC

£5.74

TSCINBUNY Smart Starter Robot Kit For Arduino Programming Learning and Develop Skills Complete Kit Educational Robotic Kit

TSCINBUNY

TSCINBUNY Smart Starter Robot Kit For Arduino Programming Learning and Develop Skills Complete Kit Educational Robotic Kit

£83.76

(2-10piece) 100% New original SII9777CLUC SIL9777CLUC SI19777CLUC QFP208 Chipset

DAIPAI

(2-10piece) 100% New original SII9777CLUC SIL9777CLUC SI19777CLUC QFP208 Chipset

£11.50

PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

ICGOICIC

PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

£2.83

FS225R12KE3 FS300R12KE3 FS450R12KE3 FS450R12KE3-S1 AGDR-66C AGDR-72C AGDR-76C AGDR-82C AGDR-86C

DAIPAI

FS225R12KE3 FS300R12KE3 FS450R12KE3 FS450R12KE3-S1 AGDR-66C AGDR-72C AGDR-76C AGDR-82C AGDR-86C

£176.06

1/5/10PCS DC 5V 12V DPDT Double Pole Double Throw Relay Module DR21A01 Reverse Polarity Switch Board

Huaxingfu

1/5/10PCS DC 5V 12V DPDT Double Pole Double Throw Relay Module DR21A01 Reverse Polarity Switch Board

£6.37

10PCS/LOT ULN2803APG ULN2803AP ULN2803 ULN2803A DIP-18 100% New Original

10PCS/LOT ULN2803APG ULN2803AP ULN2803 ULN2803A DIP-18 100% New Original

£4.38

100PCS IRLML6344TRPBF SOT23 IRLML6344TR IRLML6344 new MOS FET transistor

NONE

100PCS IRLML6344TRPBF SOT23 IRLML6344TR IRLML6344 new MOS FET transistor

£9.25

MAX3485 MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction

SZYTF

MAX3485 MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction

£3.22

TM1637 LED Display Module For Arduino 7 Segment 4 Bits 0.56 Inch Clock RED Anode Digital Tube Four Serial Driver Board Pack

NONE

TM1637 LED Display Module For Arduino 7 Segment 4 Bits 0.56 Inch Clock RED Anode Digital Tube Four Serial Driver Board Pack

£8.85