Volttronics https://validator.w3.org/feed/docs/rss2.html DHT11 Humidity and Temperature Sensor Photo-resistor LDR Light Sensor Module NO.9898.7RD Head Wear Magnifying Glass Light with Spare Lens Home D2822A IC 8 pin Power Bank Module T6845-C NRF24L01 Wireless Module With Antenna Micro SD Card Reader Module MPU-6050 IMU Sensor Module 6 DOF Gyroscope Pulse Heart Rate Module With Accessories DIY Metal Detector Kit MANO Tool Box C.OR-16 inch 7400 IC quad 2-input NAND gate IC 14-pin DIP Photoresistor Sensor LDR 20-50kΩ 5mm WAGO Connector SPL-82 for Cable Connection 2 In 8 Out WAGO Connector LT-933 for Cable Connection 3 In 9 Out WAGO Connector SPL-62 for Cable Connection 2 In 6 Out WAGO PCT-223 (3 In 3 Out) Connector WAGO Connector PCT-222 for Cable Connection 2 In 2 Out WAGO PCT-221 1 In 1 Out Connector WAGO Connector KV-121 for Din Rail Connection 1 In 1 Out WAGO Connector PCT-215 for Cable Connection 5 Pin WAGO Connector PCT-213 for Cable Connection 3 Pin 4-Channel 24V Relay Module Active Low 8-Channel 24V Relay Module Active Low KY-024 Linear Hall Magnetic Sensor MB102 Breadboard Power Supply Module 3.3V/5V Microphone Sound Detection Sensor Module 4 PIN MQ-135 Air Quality Gas Sensor Module Soil Moisture Sensor- Water level 4-Channel 5V Relay Module, Active Low Trigger 4-Channel 12V Relay Module Active High 2-Channel 24V Relay Module Active Low 2-Channel 12V Relay Module Active High 2-Channel 5V Relay Module, Active Low Trigger Arduino Nano ATmega328PB-U Driver CH340C 5V 16MHz Type-C Arduino Nano Atmega328PB-U with CH340C Uploader – Mini USB WiFi ESP8266-12-E Serial TTL Module WiFi ESP8266-12-F Serial TTL Module ESP8266 NodeMCU WiFi Programming Development Kit 30-Pin SR501 PIR Sensor Passive Infrared Detector Flame Sensor Module (4-Pin) Arduino UNO R3 Board Without Cable CH340 Arduino Uno R3 Board without Cable high quality USB Cable For Arduino Uno 30cm Mini Breadboard with 170 Tie-Points RFID module 13.56 MHz Card Reader MFRC522 Reader/Writer 1-Channel 24V Relay Module Active Low Trigger MQ-7 CO Gas Detection Sensor Module MQ-7 TTP223 Capacitive Touch Sensor Red