The NodeMCU V2 ESP8266 ESP-12E WiFi Development Board is a compact and efficient microcontroller platform ideal for IoT, home automation, and STEM-based electronics. Powered by the ESP8266 SoC, it supports 3.3V logic level, comes with USB to serial converter (CP2102), and offers seamless WiFi connectivity, GPIO, PWM, I2C, and UART. Perfect for Arduino, Lua scripting, and web-based applications.
The ESP32-S3 WROOM-1 Pre-Soldered Development Board is a powerful WiFi + Bluetooth 5.0 BLE dual-core microcontroller designed for high-performance IoT, AI, and embedded projects. Featuring 2.4GHz WiFi, USB support, pre-soldered headers, and support for Arduino, MicroPython, and ESP-IDF, it’s ideal for smart devices, robotics, and wireless applications.
Operating Voltage: 3.3V
Dual-core 240MHz Tensilica LX7 CPU
Built-in 512KB SRAM, 384KB ROM
USB OTG, ADCs, GPIOs, PWM support
The Raspberry Pi 5 8GB RAM is a powerful next-generation single-board computer featuring a 2.4GHz quad-core ARM Cortex-A76 processor and 8GB of LPDDR4X RAM. It includes dual 4K HDMI display support, PCIe 2.0 connectivity, Gigabit Ethernet, and high-speed USB 3.0 ports. Designed for demanding applications such as AI development, robotics, media centers, and desktop-level computing, it provides exceptional performance in a compact form.
The YH‑305D is a compact, stabilized DC power supply delivering 0–30 V and 0–5 A, featuring a dual display, coarse/fine voltage & current adjustment, and short-circuit/current-limit protection. Fully enclosed in sturdy metal and CE-certified, it’s ideal for electronics labs, power supply testing, and DIY repairs.
The YH 938BD+ Dual SMD Station combines a hot air rework station and a digital soldering iron in one powerful unit. Designed for precision SMD assembly, BGA rework, and general soldering, it features independent digital temperature controls, rapid heat-up, and ESD protection — ideal for modern electronics labs and repair centers.
Key Specs:
Hot air: 100°C–500°C | Soldering: 200°C–480°C | Digital control | Dual displays | ESD safe | 700W (total).