A design for a solder reflow plate for SMD rework using commonly available aluminium 400W ... The PTC is driven by an SSR (solid state relay) using PWM and controlled by a PID. An ESP32 S3 Wroom 1 ...

ESP32, manufactured by a Chinese company called Espressif, is a microcontroller that enables Bluetooth and Wi-Fi connections in numerous smart devices, including smartphones, laptops, smart locks ...

Many SMD components, including some USB C ports, have their terminals under the component. When installed, the pins are totally hidden. So, how do you solder or unsolder them? That’s the problem ...

A PCB ruler is a common promotional item, or design exercise. Usually they have some sample outlines and holes as an aid to PCB design, but sometimes they also incorporate some circuitry.

Both the ESP8266 and the ESP32 are low-cost Wi-Fi microchips with full TCP/IP stack and microcontroller capabilities produced by the Shanghai-based manufacturer Espressif Systems. See Contributing for ...