Compact ESP32 Controller
Compact Control · Built
A compact controller board integrating an ESP32-WROOM-32E, coin-cell RTC, piezo buzzer, two buttons and screw-terminal field interfaces.
Technology: ESP32-WROOM-32E, KiCad, RTC, 2-layer PCB.
Explore honest technical summaries of Bloom Electronic work across custom PCB development, embedded control, IoT and power electronics.
Each summary distinguishes documented build evidence from unverified production, compliance or commercial outcomes.
Compact Control · Built
A compact controller board integrating an ESP32-WROOM-32E, coin-cell RTC, piezo buzzer, two buttons and screw-terminal field interfaces.
Technology: ESP32-WROOM-32E, KiCad, RTC, 2-layer PCB.
Connected Control · Iterated
An ESP32-based controller platform combining wired Ethernet, USB-C, timekeeping and local controls, represented by two assembled hardware revisions.
Technology: ESP32-S3, Ethernet, USB-C, RTC.
Power Electronics · Assembled
A custom module arranging three independent adjustable buck-converter stages with accessible screw-terminal input and output connections.
Technology: Buck converter, Power PCB, Screw terminals, PCBA.
Board cutouts use Bloom’s original portfolio photographs, with backgrounds removed for presentation. Original build photos and the limits of the available evidence are included inside each project.