To design the schematic and PCB, I used Altium Designer, embedded a DS18B20 sensor to sense the temperature, and a small 5V-10A Panasonic Relay to control an external device. You can power the board using a 5V USB Type-C cable, such as a mobile phone charger or a power bank. I paid attention to...
Raspberry Pi Pico is a cute piece of hardware. It is equipped with a powerful dual-core RP2040 microcontroller that offers 2M (up to 16M) Flash and 264K SRAM memories. Such specifications make it suitable for a variety of hobby and industrial applications.
In this article/video, I used a Pico...
Variable temperature Controller 10 different ceramic heating modules each of 50w to 100W, 110V. All 10 modules have the same temperature limit to switch off and on.
For example, switch off when the extruder region reaches 200centegrade and switch back on when material flow cools down the region...