Temperature sensor schematics

Build your own intelligent temperature-controlled circuits with this innovative design, featuring a precise LM35 sensor and a responsive TLC271 comparator. Achieve accurate temperature monitoring and control, ideal for automating fans, heaters, and beyond. Unlock limitless possibilities with this robust design, capable of powering relays and LEDs while consuming minimal power – perfect for battery-powered applications and challenging environments.... [read more]

Build a precision temperature detector and gain control over energy leaks with this innovative circuit. This comparator design, featuring a thermistor and LM393 dual comparator, precisely detects minute temperature variations, ideal for identifying drafts and optimizing energy efficiency. Illuminate with a red LED for rising temperatures and a green LED for falling temperatures – empowering you to create a smarter, more sustainable environment.... [read more]

Create a stable and reliable heating system with this proven 20-year-old design, maintaining consistent indoor temperatures despite outdoor fluctuations. Build this robust schematic featuring a 1K potentiometer and precise thermistors for ultimate control.... [read more]

Build a smart refrigerator alarm to prevent food spoilage and save energy. This innovative project uses a light-dependent resistor to detect open doors, alerting you before costly energy waste and food loss. Secure your kitchen and boost your efficiency with this practical DIY solution.... [read more]

Build a reliable fridge alarm circuit with a 1.3V battery backup, designed for continuous operation and a persistent 5-second alarm. This innovative schematic provides a robust solution for detecting fridge door openings, utilizing a precise 1.3V battery and a cleverly timed circuit.... [read more]

Build a captivating timed sounder circuit for your fridge! This innovative design uses a photoresistor to trigger a 20-second beep sequence, repeated until the fridge door closes. With a simple adjustment of components, you can control the timing and create a truly unique alerting system.... [read more]

Build a responsive fire alarm circuit utilizing a thermistor to detect heat, triggering a powerful audio alert. This innovative design, featuring a NE555 timer IC and a BC548 transistor, provides a robust and easily constructed solution for safeguarding your space.... [read more]

Build a powerful thermostat circuit using a 1.7K thermistor and 5K potentiometer to precisely control your space heater with this detailed schematic and achieve optimal temperature regulation.... [read more]

Build innovative temperature-controlled circuits with this 2-circuit design. Create a heat-activated sensor or a frost alarm by adjusting the thermistor and 47k resistor positions, powering relays and LEDs with precise temperature changes.... [read more]

Build a Robust Heating Control System – Maintain Perfect Indoor Temperatures with This Proven Design!... [read more]

Build a smart fridge door sensor circuit with a 3V battery, triggering a 20-second beep upon door opening, perfect for monitoring and ensuring proper closure.... [read more]

Build a robust temperature control circuit with a thermistor exhibiting 15k at 25°C and 45k at 0°C, utilizing a 100k pot for wide temperature triggering and a 270k resistor for hysteresis.... [read more]

Dynamically adjust fan speed with temperature—a robust circuit for precise control and innovative projects.... [read more]

Build a precise temperature control circuit and regulate fan speeds up to 140°C, ideal for heatsink cooling, emergency computer cooling, or metal cooling applications. Discover the power of temperature regulation and unlock innovative solutions for your projects.... [read more]

Build a smart hot water level indicator and save energy with this innovative circuit. This DIY project utilizes thermistors to precisely monitor hot water levels, illuminating LEDs and empowering you to optimize your heating system. Create a cost-effective and sustainable solution for your home.... [read more]

Build a powerful 1300 watt space heater control circuit with this innovative design. This schematic utilizes an AC-powered, 1300-watt heater, controlled by an advanced SCR circuit and a pulse transformer, enabling precise temperature regulation and automated operation. Unlock the potential of this circuit and gain ultimate control over your heating system.... [read more]