Capacitive Soil Moisture Sensor V2.0

Basic tutorial of how to setup a Capacitive Soil Moisture Sensor with the Raspberry Pi via an ADS1115 ADC. PREREQUISITE: https://www.piddlerintheroot.com/analog-to-digital-converter/ CALIBRATION EQUIPMENT: Small cup of water CALIBRATION PROCESS: 1. Place soil sensor on dry surface 2. Run cap_calibration script, enter ‘y’ on first prompt 3. Place soil sensor in small cup of water 4. … Read moreCapacitive Soil Moisture Sensor V2.0

Analog to Digital Converter

Basic tutorial of how to setup an ADS1115 based ADC with the Raspberry Pi. ADS1115 Specifications: https://www.ti.com/lit/ds/symlink/ads1114.pdf?ts=1609357468599&ref_url=https%253A%252F%252Fwww.google.com%252F PARTS: CanaKit Raspberry Pi 4 4GB Starter Kit – https://amzn.to/2Jrlbfj ADS1115 ADC – https://amzn.to/3o12cHi Dupont Jumper Cables – https://amzn.to/3n1Cql1 Capacitive Soil Mosisture Sensor – https://amzn.to/3pC7WI6 SCHEMATIC: ADC  |  Sensor 3V3 <–> VCC AN0 <–> AOUT GND <–> GND SETUP: … Read moreAnalog to Digital Converter

ADC (MCP3008)

Basic tutorial of how to setup an Analog to Digital Converter with the Raspberry Pi. PARTS: RPI 3 – https://amzn.to/2VA9pQY 4 Amp Power Adapter – https://amzn.to/2CTptWu 16GB micro SD – https://amzn.to/2SFMwd3 120 pcs jumper cable: https://ebay.to/2VAb9cY Breadboard – https://amzn.to/2H1ekHs breadboard jumper cables: https://amzn.to/2D9HXlD mcp3008 chips: https://amzn.to/2RP7Orj (optional) touch sensor: https://amzn.to/2D8RYj1 SCHEMATIC: Adafruit Tutorial: https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008 CODE: Adafruit Github: https://github.com/adafruit/Adafruit_Python_MCP3008.git import time … Read moreADC (MCP3008)