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Products of the HCDC range from £20.15 to £70.94, and the average price of all the products is about £35.84. So your total expense can vary depending on the products chosen, which allows you to choose products according to your budget.

HCDC has a relatively small number of products for sale, only 27. We analyzed some of them in detail and recommended them to our readers. This HCDC review will give you insight into the products they offer so you can make a better informed decision before you make your purchase.

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Last Updated: 14 Jun 2023

IO Modules

DIN Rail Mount Pinout Breakout Terminal Block Module for Arduino MEGA-2560 R3

DIN Rail Mount Pinout Breakout Terminal Block Module for Arduino MEGA-2560 R3 Cover
  • Pitch 3.81mm/0.15" screw terminal block. Terminal block: wire range 26-16AWG, strip length 5mm, Metric M2 slotted screw.
  • DIN Rail Mount Screw Terminal Block Adapter Module for Arduino MEGA-2560 R3, with the adapter module, you can easily extend Arduino projects to industrial control applications.
  • Note: the item not include Arduino-Mage module and iron rail. CAD 3D (pdf): https://m.media-amazon.com/images/I/B1wvkUAd3zS.pdf
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Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3

Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 Cover
  • Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
  • Terminal Block Breakout Shield Module - for Arduino MEGA-2560 R3. the item has been soldered and assembled.
  • With power on LED indicating. red reset button on the side. with a ICSP adapter connect header.
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DIN Rail Mount Pinout Breakout Terminal Block Module for Arduino UNO R3

DIN Rail Mount Pinout Breakout Terminal Block Module for Arduino UNO R3 Cover
  • Pitch 3.81mm/0.15" screw terminal block. Terminal block: wire range 26-16AWG, strip length 5mm, Metric M2 slotted screw.
  • DIN Rail Mount Screw Terminal Block Adapter Module for Arduino UNO R3, with the adapter module, you can easily extend Arduino projects to industrial control applications.
  • Note: the item not include Arduino-UNO module and iron rail. CAD 3D (pdf): https://m.media-amazon.com/images/I/B1Ikdq7kESS.pdf
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Barebone PCs

RPi GPIO Status LED & Terminal Block Breakout Board HAT for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B

RPi GPIO Status LED & Terminal Block Breakout Board HAT for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B Cover
  • GPIO status LED and power 5V / 3.3V indication. GPIO output or input level high LED on, output or input level low LED off. 5V blue, 3.3V red, GPIOs green. The position of the LED is in a one-to-one correspondence with the position of the Raspberry Pi 2x20pin connector, and the logic level of the GPIO can be observed very quickly and intuitively. The driving current of each LED is only 0.1mA, so you don't have to worry about it affecting the read and write status of GPIO.
  • The item has been soldered and assembled. Support for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B
  • Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper. 2 x 20 pins expansion pin header, height 8mm/0.32".
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IO Modules

D-SUB Male-Female Breakout Board Terminal Block Interface Module (DB50)

D-SUB Male-Female Breakout Board Terminal Block Interface Module (DB50) Cover
  • Rated voltage: 60V. Rated current: 1Amp / per pin. Operating Temperature: -20C to 50C
  • Standard D-SUB Male/Female header connectors. Male header, female header and screw terminal 1:1:1 connects for per line.
  • Terminal block: Pitch 3.81mm/0.15" miniaturization screw terminal block. Wire range - 26-16AWG. Strip length - 5mm. Screws - M2,steel,Cr3+ Zn plated. Torque - 0.2Nm (1.7Lb-In.). Pin header and Cage - Brass.
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IO Modules

Screw Terminal Block Breakout Module Board for ESP32-DevKitC

Screw Terminal Block Breakout Module Board for ESP32-DevKitC Cover
  • PCB mount Terminal Block: pitch 5.0mm/0.197", strip length 7mm, screws - M2.5, steel, Cr3+ Zn plated. pin header and cage - brass. Wire range 28AWG ~ 12AWG / 2.5mm square.
  • With the breakout board, you can easily extend ESP32-DevKitC projects to industrial control applications.
  • Note: the item not include ESP32-DevKitC module. The breakour board supports ESPRESSIF official ESP32-DevKitC, but we do not guarantee whether to support third-party modules, you can check the ESPRESSIF official website for more information before buying.
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RPi GPIO Terminal Block Breakout Board HAT, for Raspberry Pi

RPi GPIO Terminal Block Breakout Board HAT, for Raspberry Pi Cover
  • Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
  • The item has been soldered and assembled. Support for Raspberry Pi 1 Model B+, Pi 2 Model B, Pi 3 Model B, Pi 3 Model B+, Pi 4 Model B.
  • Packing list: 1x terminal block breakout module, 6x M2.5x6mm screws, 4x 14mm brass standoffs. (NOTE: the item not include Raspberry Pi Board).
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Barebone PCs

DIN Rail Mount Bracket for Raspberry Pi A+ B+ 2B 3B 3B+ 4B Zero Arduino Uno Mega Mkr BeagleBone

DIN Rail Mount Bracket for Raspberry Pi A+ B+ 2B 3B 3B+ 4B Zero Arduino Uno Mega Mkr BeagleBone Cover
  • Supports Raspberry Pi 1 Model A+ / Pi 1 Model B+ / Pi 2 Model B / Pi 3 Model B / Pi 3 Model B+ / Pi 4 Module B / Pi Zero / Pi Zero W, Arduino Uno R2 / Uno R3 / Mega 2560 R2 / Mega 2560 R3 / MKR Series etc, and BeagleBone / BeagleBone Black / BeagleBone AI / BeagleBone Black Wireless / BeagleBone Green / BeagleBone Green Wireless or SanCloud BeagleBone Enhanced.
  • This product can easily mount Raspberry Pi / Arduino / BeagleBone to DIN rail, expand their range of applications to industrial control.
  • Thickness 1.5mm/0.06" aluminum bracket sheet, the weight is very light and very strong.
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HCDC 1 in 8 Out 40Amp Connector Power Splitter Distributor Source Strip Module

HCDC 1 in 8 Out 40Amp Connector Power Splitter Distributor Source Strip Module Cover
  • With power indicator LED. High-quality fuse holder, you can very easy to replace fuse from the outside, ATC/ATO auto fuses are easy to get and are available in 10 values from 1 to 40A.
  • Operating voltage: 0 to 32VDC, No-load current: 2mA(for power indicator LED). Input port: maximum input current 40A, fuse 40A. Output port: 8 output ports, fuse 30A*2, 20A*2, 10A*2, 5A*1, 3A*1.
  • Packing list: 1x Distribution module, 9x black power pole housings, 9x red power pole housings, 9x PVC cover flame retardant sleeve, 18x silver plated copper 30A 14-12AWG power pole contacts, 2x tinned copper 45A 12-10AWG power pole contacts.
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Ultra-Small RPi Pinout Terminal Block Breakout Board Module for Raspberry Pi

Ultra-Small RPi Pinout Terminal Block Breakout Board Module for Raspberry Pi Cover
  • Terminal block pitch 2.54mm/0.1", wire size range 28AWG to 18AWG, strip length 4.5mm, screw M1.6 steel, pin header and cage copper.
  • The item has been soldered and assembled. Support for Raspberry Pi 1 Model B+, Pi 2 Model B, Pi 3 Model B, Pi 3 Model B+, Pi 4 Model B, Pi Zero, Pi Zero-W.
  • Packing list: 1x terminal block breakout module, 4x M2.5x6mm screws, 4x 10mm nylon standoffs. 2x 11.5mm brass standoffs, 1x small slotted screwdriver (NOTE: the item not include Raspberry Pi Board).
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RPi Screw Terminal Block Breakout HAT Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+

RPi Screw Terminal Block Breakout HAT Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ Cover
  • The item has been soldered and assembled, with mounting screws, standoffs and labels.
  • RPi Screw Terminal Block Breakout HAT Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+
  • Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
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IO Modules

Slim Right Angle D-SUB Header Breakout Board Terminal Block DSUB Connector Module (DB15 Male)

Slim Right Angle D-SUB Header Breakout Board Terminal Block DSUB Connector Module (DB15 Male) Cover
  • Rated voltage: 60V. Rated current: 1Amp / per pin. Operating Temperature: -20C to 50C
  • Standard D-SUB Male or Female header connector. Connector and screw terminal 1:1 connects for per line.
  • Terminal block: Pitch 3.81mm/0.15" miniaturization screw terminal block. Wire range - 26-16AWG. Strip length - 5mm. Screws - M2,steel,Cr3+ Zn plated. Torque - 0.2Nm (1.7Lb-In.). Pin header and Cage - Brass.
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Electric Terminal Blocks

Screw Terminal Block Breakout Board Module for BeagleBone Black

Screw Terminal Block Breakout Board Module for BeagleBone Black Cover
  • Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper.
  • Terminal Block Breakout Module - for BeagleBone, BeagleBone Black, BeagleBone AI, BeagleBone Black Wireless, BeagleBone Green, BeagleBone Green Wireless or SanCloud BeagleBone Enhanced.
  • With power on LED indicating, with Power, Reset and Boot buttons on the side.
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Solid State Relays

Dual SPST-NO 10 Amp Power Relay Module (AC/DC 24V)

Dual SPST-NO 10 Amp Power Relay Module (AC/DC 24V) Cover
  • Input control support AC and DC signal. Control voltage 5V 12V 24V version selectable.
  • Dual SPST-NO 10 Amp Power Relay Module.
  • Two separate input and SPST-NO switch circuit, can flexible selection control signal, for separate AC, for separate DC, for source (PNP, common +) , for sink (NPN, common -).
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Power Distribution Blocks

30Amp/300V 2x12 Position Terminal Block Distribution Module (DIN Rail Mount)

30Amp/300V 2x12 Position Terminal Block Distribution Module (DIN Rail Mount) Cover
  • A / B position maximum current 30Amp(each position). A1~A12 total maximum current 30Amp(total positions). B1~B12 total maximum current 30Amp(total positions). A1~A12 / B1~B12 position maximum current 20Amp(each position). Maximum voltage 300V.
  • DIN rail mount 30Amp 300V 2x12 position screw terminal block distribution module. Support for multiple module extension connections.
  • High quality Taiwan DINKLE fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm rail.
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IO Modules

DIN Rail Mount D-SUB Male-Female Interface Module Terminal Block Breakout Board (DB15)

DIN Rail Mount D-SUB Male-Female Interface Module Terminal Block Breakout Board (DB15) Cover
  • Rated voltage: 60V. Rated current: 1Amp / per pin. Operating Temperature: -20C to 50C
  • Standard D-SUB Male/Female header connectors. Male header, female header and screw terminal 1:1:1 connects for per line.
  • Terminal block: Pitch 3.81mm/0.15" miniaturization screw terminal block. Wire range - 26-16AWG. Strip length - 5mm. Screws - M2,steel,Cr3+ Zn plated. Torque - 0.2Nm (1.7Lb-In.). Pin header and Cage - Brass. FR-4 fiber glass PCB, dual copper layers.
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Electric Terminal Blocks

30 Position 24Amp/400V Screw Terminal Block Distribution Module (DIN Rail Mount)

30 Position 24Amp/400V Screw Terminal Block Distribution Module (DIN Rail Mount) Cover
  • Terminal Block: Pitch 5.0mm/0.197", Strip length 7mm. Screws - M3,steel,Cr3+ Zn plated. Pin header and Cage - Brass.
  • DIN Rail Mount 24A/400V 30 Position Screw Terminal Block Distribution Module.
  • Wire range 26AWG ~ 12AWG / 2.5mm square. Rated voltage 400V, rated current 24Amp(per position).
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Electric Terminal Blocks

20 Position 30Amp/300V Screw Terminal Block Distribution Module (Screw Mount)

20 Position 30Amp/300V Screw Terminal Block Distribution Module (Screw Mount) Cover
  • Terminal Block: Pitch 7.62mm/0.3", Strip length 8mm. Screws - M3,steel,Cr3+ Zn plated. Pin header and Cage - Brass.
  • Screw Mount 30A/300V 20 Position Screw Terminal Block Distribution Module.
  • Wire range 26AWG ~ 10AWG / 4.0mm square. Rated voltage 300V, rated current 30Amp(per position).
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Solid State Relays

DC12V 10Amp Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module

DC12V 10Amp Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module Cover
  • With Forward and Reverse buttons (momentary type, release button action to stop). Compact plastic case and screw terminal block connect for easy mount.
  • Reversing relay module. Powers any 2 wires reversing DC motor equipment, can be used for any application that requires the ability to reverse motion.
  • With power indicator LED. With forward and reverse status indicating LED, forward status lighting red, reverse lighting green.
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