https://circuitdukaan.com/watch-and-buy/dht22-sensor/ https://api.circuitdukaan.com/storage/831/dht22-sensor-cover.jpg DHT22 (AM2302) temperature and humidity sensor module: −40 to 80 °C, 0–100 % RH on one data wire. DHT22 (AM2302) temperature and humidity sensor module: −40 to 80 °C, 0–100 % RH on one data wire. https://api.circuitdukaan.com/storage/830/dht22-sensor.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/ds18b20-probe/ https://api.circuitdukaan.com/storage/821/ds18b20-probe-cover.jpg Sealed stainless-steel DS18B20 temperature probe with a 1 m cable: −55 to 125 °C in water, soil or air. Sealed stainless-steel DS18B20 temperature probe with a 1 m cable: −55 to 125 °C in water, soil or air. https://api.circuitdukaan.com/storage/820/ds18b20-probe.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/ceramic-cap-kit/ https://api.circuitdukaan.com/storage/815/ceramic-cap-kit-cover.jpg 300 ceramic disc capacitors in 30 values from 2 pF to 100 nF, rated 50 V. For decoupling, filters and oscillators. 300 ceramic disc capacitors in 30 values from 2 pF to 100 nF, rated 50 V. For decoupling, filters and oscillators. https://api.circuitdukaan.com/storage/814/ceramic-cap-kit.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/led-kit-5mm/ https://api.circuitdukaan.com/storage/817/led-kit-5mm-cover.jpg 100 standard 5 mm LEDs in five colours, 20 of each. For indicators, traffic-light models and every beginner Arduino project. 100 standard 5 mm LEDs in five colours, 20 of each. For indicators, traffic-light models and every beginner Arduino project. https://api.circuitdukaan.com/storage/816/led-kit-5mm.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/hc-sr501-pir/ https://api.circuitdukaan.com/storage/829/hc-sr501-pir-cover.jpg HC-SR501 PIR motion sensor: detects people up to about 7 m away. Adjustable range and on-time for lights, alarms and presence detection. HC-SR501 PIR motion sensor: detects people up to about 7 m away. Adjustable range and on-time for lights, alarms and presence detection. https://api.circuitdukaan.com/storage/828/hc-sr501-pir.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/jumper-wires-120/ https://api.circuitdukaan.com/storage/833/jumper-wires-120-cover.jpg 120 colourful 20 cm Dupont jumper wires: 40 each of M-M, M-F and F-F. Connect boards and sensors without soldering. 120 colourful 20 cm Dupont jumper wires: 40 each of M-M, M-F and F-F. Connect boards and sensors without soldering. https://api.circuitdukaan.com/storage/832/jumper-wires-120.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/resistor-kit-600/ https://api.circuitdukaan.com/storage/813/resistor-kit-600-cover.jpg 600 metal film resistors in 30 values from 10 Ω to 1 MΩ, labelled by value. Every value for LEDs, pull-ups and dividers. 600 metal film resistors in 30 values from 10 Ω to 1 MΩ, labelled by value. Every value for LEDs, pull-ups and dividers. https://api.circuitdukaan.com/storage/812/resistor-kit-600.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/solder-wire-63-37/ https://api.circuitdukaan.com/storage/827/solder-wire-63-37-cover.jpg 63/37 tin-lead solder wire with a rosin flux core, 0.8 mm, 50 g. Melts at 183 °C and flows easily for PCBs and headers. 63/37 tin-lead solder wire with a rosin flux core, 0.8 mm, 50 g. Melts at 183 °C and flows easily for PCBs and headers. https://api.circuitdukaan.com/storage/826/solder-wire-63-37.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/dt9205a-multimeter/ https://api.circuitdukaan.com/storage/811/dt9205a-multimeter-cover.jpg DT9205A full-size multimeter: big LCD, AC/DC current up to 20 A, resistance to 200 MΩ, capacitance and a continuity buzzer. DT9205A full-size multimeter: big LCD, AC/DC current up to 20 A, resistance to 200 MΩ, capacitance and a continuity buzzer. https://api.circuitdukaan.com/storage/810/dt9205a-multimeter.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/tactile-buttons/ https://api.circuitdukaan.com/storage/825/tactile-buttons-cover.jpg Standard 6 × 6 mm tactile push buttons, pack of 20. Reset buttons, inputs, menu keys and game controls. Standard 6 × 6 mm tactile push buttons, pack of 20. Reset buttons, inputs, menu keys and game controls. https://api.circuitdukaan.com/storage/824/tactile-buttons.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/irfz44n-mosfet/ https://api.circuitdukaan.com/storage/823/irfz44n-mosfet-cover.jpg IRFZ44N N-channel MOSFET, pack of 2: 55 V, 49 A, 17.5 mΩ, TO-220. Switch motors, LED strips and heaters. IRFZ44N N-channel MOSFET, pack of 2: 55 V, 49 A, 17.5 mΩ, TO-220. Switch motors, LED strips and heaters. https://api.circuitdukaan.com/storage/822/irfz44n-mosfet.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/dt830d-multimeter/ https://api.circuitdukaan.com/storage/809/dt830d-multimeter-cover.jpg DT830D digital multimeter: DC/AC voltage, DC current up to 10 A, resistance, diode and transistor test. The first tool for any electronics bench. DT830D digital multimeter: DC/AC voltage, DC current up to 10 A, resistance, diode and transistor test. The first tool for any electronics bench. https://api.circuitdukaan.com/storage/808/dt830d-multimeter.mp4 2026-10-01T11:28:36.000Z 12 https://circuitdukaan.com/watch-and-buy/esp32-devkit/ https://api.circuitdukaan.com/storage/807/esp32-devkit-cover.jpg ESP32 DevKit V1: dual-core, WiFi + Bluetooth, 30 breadboard-friendly pins. Specs and the datasheet are on the product page. ESP32 DevKit V1: dual-core, WiFi + Bluetooth, 30 breadboard-friendly pins. Specs and the datasheet are on the product page. https://api.circuitdukaan.com/storage/806/esp32-devkit.mp4 2026-10-01T11:28:35.000Z 12 https://circuitdukaan.com/watch-and-buy/mb102-breadboard/ https://api.circuitdukaan.com/storage/819/mb102-breadboard-cover.jpg Full-size 830-point breadboard: build and test circuits without soldering. Four power rails, fits DIP chips across the centre gap. Full-size 830-point breadboard: build and test circuits without soldering. Four power rails, fits DIP chips across the centre gap. https://api.circuitdukaan.com/storage/818/mb102-breadboard.mp4 2026-10-01T11:28:36.000Z 12