esp32 & esp8266
ESPHome Firmware Cuts the Litter-Robot 4 Free From the Cloud
A PIC runs the motors, an ESP32 just bridges Wi-Fi to UART. Reflash that ESP32 with ESPHome and the litter box answers to Home…
diy projects
Reverse Engineering a Cotton Candy Machine’s Robot Brain
A $6,400 cotton candy vending machine refused to run offline. One maker used ADB, SQLite and a patched APK to cut the cord and…
diy projects
AirMeter: Stream an AN870 Multimeter’s LCD to Your Browser
A hacker tapped a cheap AN870 multimeter's LCD lines with an RP2040 and streamed live readings to any browser over 433 MHz. Here's how…
3d printing
SHINING 3D FreeScan Trak Nova Halves Ball Mill Inspection Time
A Chilean engineering firm folded a handheld laser scanner into its mining-equipment checks and cut ball mill inspection time in half. Here's how it…
3d printing
SHINING 3D FreeScan Trak Nova Cuts Ball Mill Inspection in Half
A Chilean engineering shop swapped calipers for a handheld laser scanner and halved ball mill inspection time. Here is how 3D scanning scales to…