Logic ICs – Hamtech Electronics Technologies https://hamtechtechnologies.com Sun, 21 Jun 2026 07:51:14 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.3 https://hamtechtechnologies.com/wp-content/uploads/2025/11/h-100x100.webp Logic ICs – Hamtech Electronics Technologies https://hamtechtechnologies.com 32 32 L9110S Driver https://hamtechtechnologies.com/product/l9110s-driver/ https://hamtechtechnologies.com/product/l9110s-driver/#respond Thu, 20 Nov 2025 19:51:57 +0000 https://hamtechtechnologies.com/index.php/product/l9110s-driver/ L9110S Motor Driver Module is a compact dual-channel motor driver that allows control of two DC motors or one stepper motor using low-voltage logic from microcontrollers.]]>

The L293D Motor Driver IC is a popular integrated circuit used in robotics and automation projects to control DC motors and stepper motors. It features dual H-Bridge circuits that enable bidirectional motor control with PWM support for speed regulation. Ideal for Arduino, ESP32, and other microcontroller projects, it can drive motors with voltages from 4.5V to 36V and up to 600mA per channel. With internal diodes for back EMF protection, it is safe and reliable for hobbyist and educational robotics projects.

Key Features

  • Dual H-Bridge driver IC for controlling 2 DC motors or 1 stepper motor

  • Motor voltage range: 4.5–36V

  • Output current: 600 mA per channel (1.2A peak)

  • PWM speed control capable

  • Internal diodes for back EMF protection

  • Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers

Variants

  • L293D Standard IC

  • L293D with breakout board for easier connection

Specifications

Feature Details
Motor Channels 2 (dual H-Bridge)
Motor Voltage 4.5–36V
Output Current 600 mA per channel (1.2A peak)
Control Logic input with PWM support
Protection Internal diodes for back EMF
Package DIP-16
Dimensions 19 × 10 mm

Applications

  • Arduino and ESP32 robotics projects

  • DC motor bidirectional control

  • Stepper motor driving

  • IoT and automation projects

  • Small robotic vehicles and educational kits

Compatible Boards / Circuits

  • Arduino Uno, Mega, Nano

  • ESP32 / ESP8266

  • Raspberry Pi (via GPIO and motor interface)

  • Any microcontroller with digital I/O and PWM

E-Commerce Metadata

  • SKU: L293D-MOTOR-DRIVER

  • Price: 350 KES (adjustable)

  • Category: Motor Drivers & Controllers

  • Tags: L293D, Motor Driver IC, Arduino, ESP32, Stepper Motor, Robotics, H-Bridge

  • Brand: Generic

  • Stock Status: Instock

  • Stock Quantity: 120

  • Product Type: Simple

  • Attributes:

    • Motor Channels: 2 (Dual H-Bridge)

    • Motor Voltage: 4.5–36V

    • Output Current: 600 mA per channel

    • Control: PWM supported

    • Protection: Internal diodes

    • Package: DIP-16

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L9110S Dual Motor Driver Module

Short Description
The L9110S Motor Driver Module is a compact dual-channel motor driver that allows control of two DC motors or one stepper motor using low-voltage logic from microcontrollers.

Description (Detailed)
The L9110S Motor Driver Module is a small, easy-to-use dual-channel driver designed for low-power DC motors and small stepper motors. It is ideal for robotics, automation, and DIY electronics projects where space is limited. The module can control motor direction and speed using logic-level inputs, making it fully compatible with Arduino, ESP32, ESP8266, and Raspberry Pi. Its low operating voltage and small size make it perfect for lightweight robotics and educational projects.

Key Features

  • Dual-channel motor driver for 2 DC motors or 1 stepper motor

  • Operating voltage: 2.5–12V DC

  • Output current: 800 mA per channel (peak 1.5A)

  • Logic input for direction and speed control

  • Compact size for small robotics applications

  • Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers

Variants

  • L9110S Dual Motor Driver Module (Standard)

  • L9110S with pin headers pre-soldered for easy connection

Specifications

Feature Details
Motor Channels 2 (dual H-Bridge)
Operating Voltage 2.5–12V DC
Output Current 800 mA per channel (peak 1.5A)
Logic Input 2 pins per motor channel
Package Module with 4-pin header
Dimensions 35 × 18 × 12 mm

Applications

  • Small robotic cars and educational robots

  • Low-power DC motor control projects

  • Stepper motor driving (small stepper motors)

  • Arduino and ESP32 learning projects

  • IoT and lightweight automation applications

Compatible Boards / Circuits

  • Arduino Uno, Mega, Nano

  • ESP32 / ESP8266

  • Raspberry Pi (via GPIO control)

  • Any microcontroller with digital output

]]> https://hamtechtechnologies.com/product/l9110s-driver/feed/ 0 ULN2003 Darlington Driver IC https://hamtechtechnologies.com/product/uln2003-darlington-driver-ic/ https://hamtechtechnologies.com/product/uln2003-darlington-driver-ic/#respond Thu, 20 Nov 2025 03:28:24 +0000 https://hamtechtechnologies.com/?post_type=product&p=272 The ULN2003 is a versatile 7-channel NPN Darlington transistor array designed to interface microcontrollers—such as Arduino, ESP32, ESP8266, and Raspberry Pi—with high-current and high-voltage loads. Each of the seven channels can sink up to 500mA, making it suitable for driving relays, indicators, lamps, solenoids, and especially stepper motors such as the 28BYJ-48.

The IC includes integrated flyback diodes, offering built-in protection when switching inductive loads. It accepts both 3.3V and 5V logic, making it perfect for modern embedded systems. The ULN2003 is widely used in automation systems, robotics, vending machines, automotive projects, and industrial control circuits.

Key Features:

  • 7-channel NPN Darlington driver

  • Up to 500mA current sinking per channel

  • Handles load voltages up to 50V

  • Built-in freewheeling diodes for inductive protection

  • Compatible with 3.3V/5V logic

  • Ideal for stepper motors, relays, solenoids, LED drivers

  • Companion to shift registers (74HC595) and microcontrollers

]]> https://hamtechtechnologies.com/product/uln2003-darlington-driver-ic/feed/ 0 ULN2803A Darlington Transistor https://hamtechtechnologies.com/product/uln2803a-darlington-transistor/ https://hamtechtechnologies.com/product/uln2803a-darlington-transistor/#respond Thu, 20 Nov 2025 03:22:39 +0000 https://hamtechtechnologies.com/?post_type=product&p=270 The ULN2803A is a highly popular 8-channel Darlington transistor array designed to interface low-current logic systems (Arduino, ESP32, Raspberry Pi) with higher current/voltage loads. Each of its eight channels contains a Darlington pair capable of sinking up to 500mA per channel, making it ideal for relay boards, LED strips, stepper motors, and solenoid control.

The chip features integrated flyback diodes, allowing safe operation with inductive loads such as relays and motors without needing additional protection components. The ULN2803A accepts both 3.3V and 5V logic, making it widely compatible across microcontroller platforms.

Common applications include relay driving circuits, stepper motor control, LED displays, home automation, robotics, vending machines, and industrial automation.

Key Features:

  • 8-channel NPN Darlington transistor array

  • Up to 500mA per channel

  • Supports load voltages up to 50V

  • Built-in flyback diodes for inductive loads

  • TTL/CMOS compatible inputs

  • Ideal for relays, motors, LEDs, solenoids, and displays

  • Direct companion to shift registers like 74HC595

]]> https://hamtechtechnologies.com/product/uln2803a-darlington-transistor/feed/ 0 UDN2981 High-Side Driver https://hamtechtechnologies.com/product/268/ https://hamtechtechnologies.com/product/268/#respond Thu, 20 Nov 2025 03:17:39 +0000 https://hamtechtechnologies.com/?post_type=product&p=268 The UDN2981 is an 8-channel source driver IC commonly used to interface low-voltage logic systems (Arduino, ESP32, Raspberry Pi) with higher-voltage loads such as LED arrays, relays, lamps, small motors, and solenoids.

Each channel can source up to 500mA peak current, allowing safe control of demanding loads. The chip includes built-in clamp diodes for switching inductive loads, reducing the need for external protection circuitry.

Unlike typical low-side drivers like ULN2803, the UDN2981 is a high-side driver, meaning it switches the positive voltage line — ideal for powering common-cathode LED matrices and displays.

Key Features:

  • 8-channel high-side driver

  • Handles up to 50V output

  • Up to 500mA peak current per channel

  • Built-in output clamp diodes for inductive loads

  • Compatible with TTL and CMOS logic

  • Perfect for LED matrices, displays, relays, solenoids, and high-voltage loads

  • Drop-in alternative: TD62783, MIC2981

]]> https://hamtechtechnologies.com/product/268/feed/ 0 HC595 Shift register https://hamtechtechnologies.com/product/265/ https://hamtechtechnologies.com/product/265/#respond Wed, 19 Nov 2025 04:04:20 +0000 https://hamtechtechnologies.com/?post_type=product&p=265 The 74HC595 Shift Register is a high-speed CMOS device used to expand digital output pins using only 3 microcontroller pins. It features an 8-bit serial input and a parallel output latch, enabling efficient control of multiple outputs such as LEDs, 7-segment displays, relays, and more.

By daisy-chaining multiple 74HC595 chips, you can scale up your output capacity to dozens or even hundreds of pins. The device operates from 2V–6V, making it compatible with most logic-level microcontrollers. It includes storage registers, output latches, and tri-state outputs for stable and reliable operation.

Ideal for LED matrices, display driving, multiplexing projects, and automation circuits.

Key Features:

  • 8-bit serial-in, parallel-out shift register

  • Operates on 2V to 6V

  • High-speed CMOS technology

  • Cascade/daisy-chain support

  • Low power consumption

  • Tri-state outputs

  • Compatible with Arduino, ESP32, ESP8266, Raspberry Pi

]]> https://hamtechtechnologies.com/product/265/feed/ 0