ESP32 – Hamtech Electronics Technologies

Male Header Pins

admin — Thu, 20 Nov 2025 19:52:16 +0000

Male Header Pins consist of a series of metal pins mounted on a plastic strip, commonly used to connect electronic modules, sensors, and microcontrollers to PCBs or breadboards. They are ideal for prototyping and creating custom circuit connections. The pins can be cut to the desired length and soldered directly to PCBs or stacked to form pin arrays.

Key Features

Standard 0.1-inch (2.54 mm) pitch
Easy to solder onto PCBs or perfboards
Compatible with female headers, jumper wires, and connectors
Available in various pin counts (single, double, or multiple rows)

Variants

Straight male header pins
Right-angle male header pins
Single-row / double-row options

Specifications

Feature	Details
Pin Pitch	2.54 mm (0.1 inch)
Number of Pins	1–40 per strip (customizable)
Material	Tin-plated or gold-plated copper
Mount Type	Through-hole
Row Orientation	Straight or right-angle

Applications

Connecting modules and sensors to Arduino, ESP32, Raspberry Pi
Prototyping on breadboards
PCB connections for microcontrollers and shields
Custom jumper wire interfaces

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi GPIO connections
DIY electronic modules

TB6600 Driver

admin — Thu, 20 Nov 2025 19:52:00 +0000

The TB6600 Stepper Motor Driver is designed for controlling NEMA 17, 23, or 34 stepper motors in robotics, CNC machines, and industrial automation. It features micro-stepping, adjustable current settings, and thermal overload protection. Compatible with Arduino, ESP32, and other microcontrollers, it provides smooth and precise stepper motor control.

Key Features

Supports stepper motors up to 4A current
Adjustable micro-stepping (full, half, 1/8, 1/16, 1/32)
Wide operating voltage: 9–42V DC
Thermal overload and short-circuit protection
Compact design with easy DIP switch configuration
Compatible with Arduino, ESP32, and other controllers

Variants

TB6600 Standard Stepper Driver Module
TB6600 with heatsink and fan for high-current applications

Specifications

Feature	Details
Motor Current	0.5–4A (adjustable)
Step Resolution	Full, 1/2, 1/4, 1/8, 1/16, 1/32
Input Voltage	9–42V DC
Pulse Frequency	Up to 200 kHz
Protection	Overcurrent, overheat, short-circuit
Dimensions	110 × 50 × 35 mm

Applications

CNC machines and milling machines
3D printers
Robotics and automated machinery
Conveyor systems
Precision motion control projects

Compatible Boards / Circuits

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (via step/direction control)
Any microcontroller with step/dir interface

16×2 LCD

admin — Thu, 20 Nov 2025 19:51:50 +0000

The 16×2 LCD module uses the HD44780 driver (or compatible) and provides a simple way to display text and basic symbols. It supports both 4-bit and 8-bit parallel communication and can be interfaced with microcontrollers via direct GPIO or using an I2C backpack for simplified wiring. Ideal for menus, sensor readings, and status messages, it’s a staple in embedded systems and IoT projects.

Key Features

Displays 16 characters per line, 2 lines
HD44780 or compatible driver
Supports 4-bit and 8-bit modes
Backlight LED (usually adjustable)
Easy integration with Arduino, ESP32, Raspberry Pi

Variants

Standard 16×2 LCD (parallel interface)
16×2 LCD with I2C Backpack (reduces wiring)

Specifications

Feature	Details
Display Size	16×2 characters
Driver IC	HD44780 / compatible
Interface	4-bit / 8-bit parallel, optional I2C
Operating Voltage	5V
Backlight	LED
Dimensions	80 × 36 × 12 mm (typical)

Applications

Text-based user interfaces
IoT dashboards
Sensor data display
Robotics status panels
Home automation displays

Compatible Boards

Arduino Uno, Mega, Nano
ESP32 / ESP8266
Raspberry Pi (via I2C or GPIO)

1.8 TFT ST7735

admin — Thu, 20 Nov 2025 19:51:48 +0000

The 1.8” TFT ST7735 is a vibrant TFT display module with 128×160 resolution, capable of displaying full-color graphics. It uses the ST7735 driver IC and communicates via SPI, making it suitable for embedded devices, IoT dashboards, sensor data visualization, and small graphical interfaces. Its compact size makes it perfect for handheld and portable projects.

Key Features

128 × 160 resolution
18-bit color support (262K colors)
SPI interface for fast communication
Backlight control
Compact 1.8-inch size

Variants

ST7735 Standard Module (with backlight)
ST7735 Mini Module (for breadboard prototyping)

Specifications

Feature	Details
Display Size	1.8 inches
Resolution	128 × 160 pixels
Driver IC	ST7735
Interface	SPI
Color Depth	18-bit (262K colors)
Operating Voltage	3.3–5V
Backlight	LED

Applications

IoT dashboards
Embedded GUI interfaces
Sensor data visualization
Portable gaming and handheld devices
Robotics and control panels

Compatible Boards

Arduino (Uno, Mega, Nano)
ESP32 / ESP8266
Raspberry Pi (via SPI)

ESP32 LoRa TTGO

admin — Thu, 20 Nov 2025 19:51:27 +0000

The ESP32 LoRa TTGO board combines the dual-core ESP32 microcontroller with LoRa SX1276/SX1278 radio technology, enabling long-range, low-power wireless communication alongside Wi-Fi and Bluetooth connectivity.

It features OLED display options on some variants, multiple GPIOs, ADC, PWM, SPI, I²C, and UART interfaces, making it highly versatile for IoT, sensor nodes, smart agriculture, and telemetry projects.
The board can be programmed using Arduino IDE, MicroPython, or ESP-IDF, allowing flexible development for both hobbyist and professional applications.

Its long-range LoRa capability allows communication over several kilometers in open environments, making it ideal for remote monitoring, weather stations, and LoRaWAN-based IoT networks.

Key Features

Dual-core ESP32 microcontroller with Wi-Fi & Bluetooth
Integrated LoRa SX1276/SX1278 module for long-range communication
Optional OLED display (0.96″ or 1.3″) on some variants
Multiple GPIO pins supporting ADC, PWM, SPI, I²C, UART
Low-power consumption suitable for battery-powered applications
Programmable via Arduino IDE, MicroPython, or ESP-IDF
Supports LoRaWAN or point-to-point LoRa communication
Compact and versatile for IoT and wireless projects

Specifications

Feature	Details
Microcontroller	ESP32 Dual-core Tensilica LX6
Operating Voltage	3.3V DC
Flash Memory	4 MB (varies by variant)
SRAM	520 KB
LoRa Module	SX1276 / SX1278
Frequency Bands	433 MHz, 868 MHz, 915 MHz (region dependent)
GPIO Pins	~16 (depending on variant)
Interfaces	UART, SPI, I²C, ADC, PWM
Display	Optional OLED 0.96″ / 1.3″
Communication	Wi-Fi 802.11 b/g/n, Bluetooth 4.2, LoRa long-range
Dimensions	50 × 25 mm (approx.)

Applications

Long-range IoT sensor nodes
Smart agriculture and environmental monitoring
Remote telemetry systems
LoRaWAN gateways and networks
Wireless data logging
Home automation and smart city projects
Low-power battery-operated IoT devices

Compatible Boards / Circuits

Arduino IDE (ESP32 core)
MicroPython or ESP-IDF
LoRa networks and gateways
Sensors, relays, displays, and actuators
IoT dashboards and cloud integration platforms

SIM800L

admin — Thu, 20 Nov 2025 04:03:25 +0000

The SIM8000L is a compact and versatile cellular communication module supporting GSM, GPRS networks. It allows microcontrollers like Arduino, ESP32, and Raspberry Pi to send/receive SMS, make voice calls, and transmit IoT data. With multi-band support and low-power operation, it is perfect for remote monitoring, smart metering, asset tracking, and other IoT applications.

Key Features

Multi-Band Support
Works globally on GSM/GPRS networks for reliable connectivity.
SMS and Voice Communication
Send/receive text messages and make voice calls directly from your IoT project.
Data Transmission
Supports Internet connectivity over GPRS for telemetry and cloud integration.
Low-Power Operation
Sleep mode reduces energy consumption for battery-powered devices.
Easy Integration
UART/Serial interface for simple connection with Arduino, ESP32, and Raspberry Pi.

Variants

SIM8000L Standard – Core module with GSM/GPRSsupport.
SIM8000L with Antenna Kit – Includes external antenna for improved signal reception.

Specifications

Feature	Details
Voltage	3.4–4.4V
Frequency Bands	Multi-band GSM/GPRS/LTE
Communication Interface	UART / Serial
SMS	Yes
Voice Calls	Yes
Data	GPRS
Power Consumption	Low-power sleep mode
Operating Temperature	-40°C to +85°C

Applications

Remote IoT telemetry systems
Asset tracking and fleet management
Smart water/electricity/gas metering
Industrial automation
Security and alarm systems
SMS notification devices

Compatible Microcontrollers / Boards

Arduino (Uno, Mega, Nano, etc.)
ESP32 / ESP8266
Raspberry Pi (all models with UART capability)

ESP-32 Dev Module

admin — Thu, 06 Nov 2025 06:38:11 +0000

The ESP32 Development Module is a versatile microcontroller board based on the ESP32 SoC, designed for IoT and embedded applications. It features Wi-Fi and Bluetooth capabilities, making it ideal for smart devices, automation, and wireless communication projects. The module is widely used due to its low cost, low power consumption, and extensive peripheral support.

Key Features and Specifications

The ESP32 Dev Module includes a dual-core Xtensa 32-bit LX6 processor with a clock speed of up to 240 MHz. It supports 802.11 b/g/n Wi-Fi and Bluetooth 4.2 (Classic and BLE). The board typically comes with 4 MB of flash memory and 512 KB of SRAM, providing ample resources for most IoT applications.

It offers 40 GPIO pins, of which:

16 pins support analog input.
19 pins support PWM (Pulse Width Modulation).
16 pins can be used as external interrupts.

The module also includes DACs, ADCs, UART, SPI, I2C, and PWM interfaces, making it highly adaptable for various hardware integrations.