Abstract: In metropolitan city, public transportation plays a crucial role in day-to-day life of the people. The effective transportation will be ensured by the smart counting system with the help of ...

This should work with Quectel modules such as EC20, EC21, EC25, EG9x and Simcom sim7600 and possibly other models with voice over USB capability. Tested with the EC25-E mini-pcie module and Waveshare ...

LILYGO T-Vending is an ESP32-S3 WiFi and Bluetooth IoT board designed for vending machines with an RS485 terminal block, a microSD card slot, and support for an optional cellular mPCIe module. As I ...

Maduino Zero 4G LTE integrated two types of the 4G LTE CAT4 module SIM7600A-H or SIM7600E-H, SIM7600A-H/SIM7600E-H is a complete multi-band LTE-FDD/LTE-TDD/HSPA+/UMTS ...

LilyGO has launched yet another ESP32 WiFi & Bluetooth IoT board. As its name implies, TTGO-T-PCIe board includes a mini PCIe socket that coupled with a SIM card socket allowing users to insert a 4G ...