SIM900A GSM Module and Arduino: Sending and Receiving SMS Using AT Commands This tutorial is a complete guide to the SIM900 GSM GPRS Shield with
Category: Review
Soil Moisture Sensor YL-69 or HL-69 with Arduino
Soil Moisture Sensor YL-69 or HL-69 with Arduino The soil moisture sensor or the hygrometer is usually used to detect the humidity of the soil.