9-in-1 multi-function expansion board, DHT11 temperature and humidity sensor, LM35 temperature buzzer, compatible with UNO R3.

Sealey Auto Probe Automotive 6-24v 12v Power Circuit Electrical Tester PP1

Sealey Power Scope Automotive Probe 0-30V PP100

Sealey Auto Probe 3-42V DC PP7

Sealey VS600ED Engine Dipstick for Audi 600mm

Draper Mechanics Stethoscope Model 54503 – Professional Diagnostic Tool for Mechanics and Technicians

Philips KTY81/110 Silicon temperature sensor

PH Probe PH Sensor Probe PH Detection Tool Probe Probe Value Detection Detection Monitoring Professional Industrial Control Accessories

pH Probe-ABS PH Sensor Probe 0-14PH High Sensitivity, High Precision, Accurate and Reliable

pcs NTC Thermistor Temperature Sensor 10K 1% 3950 Waterproof 1m Extension Cable Temperature Meter for Car Air Conditioner/Refrigerator

5 Pack Waterproof NTC 10K 1% 3950 Thermistor Temperature Sensor Probe, 1m Extension Cable, Temperature Detector, Gauge for Car Air Conditioners/Refrigerators

Tonchean – pH sensor for water analysis – Range 0-14 – Accuracy ± 0.25 pH – Fast response time – BNC connector – pH 0-14

10pcs Waterproof PT100 Sensor Probe for Temperature Controllers, Digital Temperature Sensor, 4 x 30mm x 50cm

Soil Tester, IP68 Waterproof and Dustproof NPK Sensor Probe, High Precision Portable NPK Sensor Detector Meter with RS485 Communication Port for Alkaline and Acidic Soil Substrates

Pro3000 Tone Generator and Probe Kit, Electric Toner Tool, Toner and Wire Probe Kit, Cell Phone Line Detector with SmartTone Technology

Pool pH Probe, 0-14 pH Electrode with BNC Connector, High Precision Replaceable pH Probe for pH Meter, pH Tester for Aquarium, Swimming Pool, Laboratory, Hydroponics

FS-N11N 24VDC fiber optic sensor, 400 mm detection range, plastic optical fiber Φ0.25161, suitable for small objects/precise positioning, integrated amplifier

Long-term soil stability, FS200-SHT20 digital sensor, high reliability, 1 piece weather station for warehouse, flower nursery, yard

High-precision intelligent soil nutrient detector and NPK tester sensor.

Professional alcohol measuring device - set consisting of 3 density meters with a scale from 0 to 100% + thermometer for measuring the alcohol content of brandy, whisky, vodka, cognac, etc.--BIEMMEDUE

Soil Moisture Sensor Soil Moisture Transmitter 0-10V Output for Garden and Agriculture-