Joseph Dattilo — engineer-founder in Lansing, Michigan. Radar, semiconductor test, embedded hardware, software; shipping with AI since 2018. FleetHarbor suite.https://josephdattilo.com/https://josephdattilo.com/writing/shipping-with-ai-since-2018/https://josephdattilo.com/writing/shipping-with-ai-since-2018/From production NLP before LLMs to operating agent fleets — Joseph Dattilo on what actually changed and what never did.Fri, 10 Jul 2026 00:00:00 GMThttps://josephdattilo.com/writing/the-management-system-an-industry-standardizes-on/https://josephdattilo.com/writing/the-management-system-an-industry-standardizes-on/Rotomolding, painting contractors, and AI dev teams: how walking the floor first keeps producing the software a whole industry ends up running on — by Joseph Dattilo.Fri, 10 Jul 2026 00:00:00 GMThttps://josephdattilo.com/writing/writing-fiction-made-my-ai-agents-better/https://josephdattilo.com/writing/writing-fiction-made-my-ai-agents-better/A published sci-fi author on why agent personas are a character problem before they're an engineering problem — by Joseph Dattilo.Fri, 10 Jul 2026 00:00:00 GMThttps://josephdattilo.com/writing/galaxy-s5-glass-replacement-teardown/https://josephdattilo.com/writing/galaxy-s5-glass-replacement-teardown/A cautionary teardown: attempting a ten-dollar DIY glass-only replacement on a cracked Galaxy S5 and destroying the LCD in the process.Wed, 22 Jun 2016 00:00:00 GMThttps://josephdattilo.com/writing/on-chip-aluminum-resistor-trace-length/https://josephdattilo.com/writing/on-chip-aluminum-resistor-trace-length/How long a 1-micron-thick, 10-micron-wide aluminum trace must be to form a 100-ohm on-chip resistor, with scaling math and high-frequency cautions.Sat, 07 Jun 2014 00:00:00 GMThttps://josephdattilo.com/writing/dht11-dht22-temperature-humidity-control-relay-fan-heater/https://josephdattilo.com/writing/dht11-dht22-temperature-humidity-control-relay-fan-heater/Arduino/Versalino sketch that reads a DHT11 or DHT22 and switches relay-driven fan and heater to hold humidity and temperature thresholds.Tue, 18 Feb 2014 00:00:00 GMThttps://josephdattilo.com/writing/accelerometer-g-forces-to-degrees-arduino/https://josephdattilo.com/writing/accelerometer-g-forces-to-degrees-arduino/Turning Virtuabotix Accelerometer G-force readings into 0-360 degree angles with arctangent and quadrant corrections on the Arduino or Versalino.Tue, 29 Oct 2013 00:00:00 GMThttps://josephdattilo.com/writing/pan-tilt-servo-control-arduino/https://josephdattilo.com/writing/pan-tilt-servo-control-arduino/Sweeping the Virtuabotix Pan & Tilt with calibrated degrees on an Arduino or Versalino: servo calibration arrays and a degrees-to-servo mapping function.Thu, 03 Oct 2013 00:00:00 GMThttps://josephdattilo.com/writing/ultrasonic-triggered-gallery-audio-arduino/https://josephdattilo.com/writing/ultrasonic-triggered-gallery-audio-arduino/Arduino/Versalino sketch that fires a Sparkfun MP3 trigger when gallery visitors come within six feet of a Virtuabotix Ultrasonic sensor.Sun, 29 Sep 2013 00:00:00 GMThttps://josephdattilo.com/writing/bluetooth-packet-protocol-arduino-controller/https://josephdattilo.com/writing/bluetooth-packet-protocol-arduino-controller/Building the joystick-to-rover control sketch for the Versalino Control: analog mapping, dead zones, and VirtuabotixPacket commands over a BT2S link.Mon, 02 Sep 2013 00:00:00 GMThttps://josephdattilo.com/writing/ascii-to-integer-arduino-c/https://josephdattilo.com/writing/ascii-to-integer-arduino-c/Using atoi and a null-terminated buffer to turn ASCII packet bytes into integers on an Arduino, and why the null character matters.Sun, 01 Sep 2013 00:00:00 GMThttps://josephdattilo.com/writing/arduino-serial-packet-protocol-part-3/https://josephdattilo.com/writing/arduino-serial-packet-protocol-part-3/How to grow the VirtuabotixPacket from 3 to 4 message bytes — the struct, parser, and processing changes needed on the receive side.Sat, 31 Aug 2013 00:00:00 GMThttps://josephdattilo.com/writing/giant-robot-arena-part-2/https://josephdattilo.com/writing/giant-robot-arena-part-2/Part 2 of the giant robot arena build: acrylic side bumpers mounted with heavy-duty Velcro to keep battling Arduino robots from falling to their doom.Thu, 29 Aug 2013 00:00:00 GMThttps://josephdattilo.com/writing/giant-robot-arena-part-1/https://josephdattilo.com/writing/giant-robot-arena-part-1/Build log for an 8-foot by 5.25-foot portable robot battle arena for the Versalino Rove — framing, legs, and whiteboard tabletop from a weekend build.Mon, 26 Aug 2013 00:00:00 GMThttps://josephdattilo.com/writing/arduino-serial-packet-protocol-part-2/https://josephdattilo.com/writing/arduino-serial-packet-protocol-part-2/Building sendPacket() with sprintf formatting and function overloads to transmit fixed-length serial packets from an Arduino or Versalino.Sun, 25 Aug 2013 00:00:00 GMThttps://josephdattilo.com/writing/arduino-serial-packet-protocol-part-1/https://josephdattilo.com/writing/arduino-serial-packet-protocol-part-1/A small struct and parser for receiving pipe-delimited command packets on an Arduino or Versalino serial port, with a working LED-control example.Thu, 22 Aug 2013 00:00:00 GMT