Production-defensible Rev B ear tag tracker using nRF9151 with separate LTE and GNSS antennas, solar-assisted LiPo charging, battery protection, SPI NOR flash, NFC, eSIM, I2C sensors, Tag-Connect SWD, grouped EVT test points, and RF/power zoning on a 40 mm x 24 mm 4-layer PCB.

Credit Card GPS + GSM Tracker (ESP32 + A9G)

Credit Card GPS + GSM Tracker (ESP32 + A9G)

Battery-Powered IoT GPS Tracker — Power / Protection Review Summary (Updated)

An automatic satellite/planet tracker. It can precisely point an antenna or telescope to a moving spacecraft or tracking a planetary object.

An automatic satellite/planet tracker. It can precisely point an antenna or telescope to a moving spacecraft or tracking a planetary object.

An automatic satellite/planet tracker. It can precisely point an antenna or telescope to a moving spacecraft or tracking a planetary object.