PTC Heating Soldering Plate, 400 W, LED Remover, DIY Laboratory 1602 they require RFID chips to

they require RFID chips to work

the light of the special function pin is dark blue and the indicator light of the normal GPIO pin is light blue

Stepper motor can get a lower resistance value compared to motors of the same thickness and torque

Modes Parallel (8bit and 4bit)

The WeMos ESP32 Pro development board everything needed to program the latest ESP32 module (the ESP-WROOM-32)

PTC Heating Soldering Plate, 400 W, LED Remover, DIY Laboratory 1602 they require RFID chips toMaterial: made of PTC board, environmentally friendly, durable and sturdy. Automatic constant temperature 260, surface insulation, safe to use. Wide use: suitable for lamp beads, chips, desoldering tools. EASY INSTALLATION Simple structure, easy to install. Features: fast heating, energy saving and high efficiency. Product Dimensions 15 x 10 x 1. 8 cm; 98 g Types: 220V 400W