--- product_id: 243378022 title: "Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3" brand: "hcdc" price: "238 zł" currency: PLN in_stock: true reviews_count: 13 category: "Hcdc" url: https://www.desertcart.pl/products/243378022-screw-terminal-block-breakout-shield-module-for-arduino-mega-2560 store_origin: PL region: Poland --- # Supports up to 24V DC power 18 screw terminals for secure wiring 3.5mm pitch fits standard wires 26-16 AWG Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 **Brand:** hcdc **Price:** 238 zł **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your Arduino game with pro-level wiring confidence! ## Quick Answers - **What is this?** Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 by hcdc - **How much does it cost?** 238 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/243378022-screw-terminal-block-breakout-shield-module-for-arduino-mega-2560) ## Best For - hcdc enthusiasts ## Why This Product - Trusted hcdc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable FR-4 fiberglass PCB with dual copper layers for superior conductivity and longevity. - • **Pro-Grade Control:** Red reset button and ICSP adapter header streamline debugging and programming. - • **Plug & Play Precision:** Perfectly snaps onto Arduino MEGA-2560 R3 for instant project upgrades. - • **Power Status at a Glance:** Integrated power-on LED keeps you informed without guesswork. - • **Effortless Wiring Mastery:** Screw terminals ensure rock-solid, maintenance-free connections every time. ## Overview This Screw Terminal Block Breakout Shield Module is designed exclusively for the Arduino MEGA-2560 R3, featuring 18 screw terminals with a 3.5mm pitch that accommodate 26-16 AWG wires. Built on a robust FR-4 fiberglass PCB with dual copper layers, it ensures reliable, long-lasting connections. The module includes a power-on LED indicator, a red reset button, and an ICSP adapter header, making it an essential upgrade for professionals seeking clean, secure, and efficient wiring solutions. ## Description Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3: desertcart.com: Industrial & Scientific Review: Perfect - Snaps in place easily and perfectly. Helped make my mega a permanent fixture with solid and snug connection points Review: It makes wiring SO much easier - I've used a lot of various models of Arduinos, and always find wiring them into the finished product to be a bit of a pain. With this on top of an Arduino Mega, all the pins are exposed with screw clamp terminals to make solid and lasting connections. ## Features - Terminal Block Breakout Shield Module - for Arduino MEGA-2560 R3. the item has been soldered and assembled. - Terminal block pitch 3.5mm/0.138", wire size range 26AWG to 16AWG, strip length 5mm, screw M2 steel, pin header and cage copper. - With power on LED indicating. red reset button on the side. with a ICSP adapter connect header. - FR-4 fiber glass PCB, dual copper layers. - NOTE: the item not include Arduino Mega module. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08LH8SVBB | | Best Sellers Rank | #65,115 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #89 in Ground Circuit Terminal Blocks | | Brand Name | HCDC | | Connector Type | Screw | | Customer Reviews | 4.8 4.8 out of 5 stars (83) | | Gauge | 26.0 | | Item Dimensions W x H | 4.01"W x 0.87"H | | Manufacturer | Xiken Electronic Technology Co., Ltd. | | Material Type | Copper | | Model | HD025 | | Mounting Type | PCB Mount | | Number Of Contacts | 18 | | Number Of Poles | 18 | | Number of Positions | 18 | | Part Number | HD025 | | Pitch | 3.5 Millimeters | | Voltage | 24 Volts (DC) | ## Product Details - **Brand:** HCDC - **Connector Type:** Screw - **Gauge:** 26.0 - **Item Pitch:** 3.5 Millimeters - **Material:** Copper - **Mounting Type:** PCB Mount - **Number Of Contacts:** 18 - **Number Of Poles:** 18 - **Product Dimensions:** 4.01"W x 0.87"H - **Voltage:** 24 Volts (DC) ## Images ![Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 - Image 1](https://m.media-amazon.com/images/I/81vsE5MkI8L.jpg) ![Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 - Image 2](https://m.media-amazon.com/images/I/81nCNmPsRxL.jpg) ![Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 - Image 3](https://m.media-amazon.com/images/I/71hcf0400jL.jpg) ![Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 - Image 4](https://m.media-amazon.com/images/I/81d0HEy+lNL.jpg) ![Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 - Image 5](https://m.media-amazon.com/images/I/81WZPiaH9CL.jpg) ## Questions & Answers **Q: ??? What is the 3 pin T0-92 "unknown" used for? It's located above the pic of the breakout module.** A: Not 3 pin, it is a 2x3Pin, for ICSP **Q: What is the 3 pin T0-92 "unknown" used for?** A: Not 3 pin, s 2x3Pin, for ICSP ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect *by T***E on September 27, 2025* Snaps in place easily and perfectly. Helped make my mega a permanent fixture with solid and snug connection points ### ⭐⭐⭐⭐⭐ It makes wiring SO much easier *by D***C on April 27, 2025* I've used a lot of various models of Arduinos, and always find wiring them into the finished product to be a bit of a pain. With this on top of an Arduino Mega, all the pins are exposed with screw clamp terminals to make solid and lasting connections. ### ⭐⭐⭐⭐⭐ Great but with caveats *by H***A on August 24, 2025* Very convenient however, one should start from the bottom because the connectors above impede the screws below. ## Frequently Bought Together - Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3 - Arduino Mega 2560 REV3 [A000067] – ATmega2560, 16MHz, 54 Digital I/O, 16 Analog Inputs, 256KB Flash, USB, Compatible with Arduino IDE for Advanced Projects - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/243378022-screw-terminal-block-breakout-shield-module-for-arduino-mega-2560](https://www.desertcart.pl/products/243378022-screw-terminal-block-breakout-shield-module-for-arduino-mega-2560) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-11*