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
Basic tutorial of how to setup a [V3] PZEM-004T current sensor with the Raspberry Pi. PZEM-004T Datasheet: https://innovatorsguru.com/wp-content/uploads/2019/06/PZEM-004T-V3.0-Datasheet-User-Manual.pdf PARTS: CanaKit Raspberry Pi 4 4GB Starter Kit – https://amzn.to/2Jrlbfj PZEM-004T Kit – https://amzn.to/3bQ7jqB USB to TTL Converter – https://amzn.to/3nXrsxe Wiring Harness [US Standard] 3-Wire Power Cord – https://amzn.to/3bR4y8v Hinged Cord Outlet – https://amzn.to/3bOe1xd Lamp Cord – https://amzn.to/3itZlox … Read morePZEM-004T
Basic tutorial of how to setup an DHT22 Temperature and Humidity sensor with the Raspberry Pi. DHT22 Specifications: https://cdn-shop.adafruit.com/datasheets/Digital+humidity+and+temperature+sensor+AM2302.pdf PARTS: CanaKit Raspberry Pi 4 4GB Starter Kit – https://amzn.to/2Jrlbfj DHT22 Breakout Board – https://amzn.to/2LraGtj SCHEMATIC: RPI | DHT22 3.3V <–> + GPIO4 <–> OUT GND <–> – SETUP: 1. Install DHT22 Library sudo pip3 install … Read moreDHT22
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
Basic tutorial of how to setup the NADAMOO Wireless Barcode Scanner with the Raspberry Pi. PARTS: CanaKit Raspberry Pi 4 4GB Starter Kit – https://amzn.to/2Jrlbfj NADAMOO Wireless Barcode Scanner – https://amzn.to/373BckB SETUP: 1. Install EVDEV 1.2.0 library sudo pip3 install evdev==1.2.0 2. Check barcode device name and path exists sudo python3 /usr/local/lib/python3.7/dist-packages/evdev/evtest.py You should see “MMicroelectronics … Read moreWireless Barcode Scanner