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BME280DS18B20

Structured comparison

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Comparison of BME280, DS18B20
Attribute	BME280BME280	DS18B20DS18B20
Overview
Manufacturer	Bosch Sensortec	Analog Devices (Maxim)
Category	Pressure	Temperature
Object type	module	ic
Package	Breakout Board	TO-92
Documented pins	4	3
Interfaces	I2C	Digital, 1-Wire
Lifecycle	ACTIVE	ACTIVE
Physical pin mapping	Unknown	Unknown
Browser simulation	Not available	Not available
Electrical
Active Supply Current	360 µASource Bosch datasheet: peak current during a measurement.	1.5 mASource During an active temperature conversion.
Sleep Supply Current	100 nASource	1 µASource Idle/standby, ~1µA.
Operating Voltage	Varies by vendor The bare die is 1.71-3.6V and NOT 5V tolerant, but most breakouts (GY-BME280, Adafruit, SparkFun...) add an onboard regulator/level shifter — check your specific board before assuming 5V is safe. When in doubt, 3.3V always works.	3 – 5.5 VSource
Interface
Interface	i2cSource The die also supports SPI (3- or 4-wire), but this record models the common 4-pin I2C-only breakout.	onewireSource
I2C Address(es)	0x76, 0x77Source Address is 0x76 (SDO low) or 0x77 (SDO high) — check the breakout's default.	Unknown
Performance
Measures	temperature, humidity, pressureSource	temperatureSource
Range Min	-40°C / 0%RH / 300hPaSource	-55°CSource
Range Max	85°C / 100%RH / 1100hPaSource	125°CSource
Accuracy	±0.5°C (0-65°C) / ±3%RH / ±1.0hPa absolute; ±0.12hPa relative (700-900hPa, 25-40°C)Source	±0.5°C (-10°C to +85°C); looser outside that bandSource
Resolution	0.01°C / 0.008%RH / 0.18PaSource	9-12 bit configurable (0.5°C to 0.0625°C), default 12-bitSource
Sampling Rate	Unknown	1.33 HzSource A 12-bit conversion takes up to 750ms (~1.3/sec); faster at lower resolution (9-bit ≈93.75ms).
Physical
Package	Breakout Board	TO-92Source Also commonly sold repackaged into a waterproof stainless-steel probe on a cable — same die, same electrical spec.
Length	Varies by vendor The Bosch die is a fixed 2.5×2.5×0.93mm LGA, but breakout PCB size varies a lot between vendors (commonly 11×11mm to 15×12mm).	Unknown
Mounting	module	tht
Thermal
Min Operating Temp	-40 °CSource	-55 °CSource
Max Operating Temp	85 °CSource	125 °CSource

Overview

Manufacturer

BME280: Bosch Sensortec
DS18B20: Analog Devices (Maxim)

Object type

BME280: module
DS18B20: ic

Package

BME280: Breakout Board
DS18B20: TO-92

Documented pins

BME280: 4
DS18B20: 3

Interfaces

BME280: I2C
DS18B20: Digital, 1-Wire

Lifecycle

BME280: ACTIVE
DS18B20: ACTIVE

Physical pin mapping

BME280: Unknown
DS18B20: Unknown

Browser simulation

BME280: Not available
DS18B20: Not available

Electrical

Active Supply Current

BME280: 360 µASource
Bosch datasheet: peak current during a measurement.
DS18B20: 1.5 mASource
During an active temperature conversion.

Sleep Supply Current

BME280: 100 nASource
DS18B20: 1 µASource
Idle/standby, ~1µA.

Operating Voltage

BME280: Varies by vendor
The bare die is 1.71-3.6V and NOT 5V tolerant, but most breakouts (GY-BME280, Adafruit, SparkFun...) add an onboard regulator/level shifter — check your specific board before assuming 5V is safe. When in doubt, 3.3V always works.
DS18B20: 3 – 5.5 VSource

Interface

BME280: i2cSource
The die also supports SPI (3- or 4-wire), but this record models the common 4-pin I2C-only breakout.
DS18B20: onewireSource

I2C Address(es)

BME280: 0x76, 0x77Source
Address is 0x76 (SDO low) or 0x77 (SDO high) — check the breakout's default.
DS18B20: Unknown

Performance

Measures

BME280: temperature, humidity, pressureSource
DS18B20: temperatureSource

Range Min

BME280: -40°C / 0%RH / 300hPaSource
DS18B20: -55°CSource

Range Max

BME280: 85°C / 100%RH / 1100hPaSource
DS18B20: 125°CSource

Accuracy

BME280: ±0.5°C (0-65°C) / ±3%RH / ±1.0hPa absolute; ±0.12hPa relative (700-900hPa, 25-40°C)Source
DS18B20: ±0.5°C (-10°C to +85°C); looser outside that bandSource

Resolution

BME280: 0.01°C / 0.008%RH / 0.18PaSource
DS18B20: 9-12 bit configurable (0.5°C to 0.0625°C), default 12-bitSource

Sampling Rate

BME280: Unknown
DS18B20: 1.33 HzSource
A 12-bit conversion takes up to 750ms (~1.3/sec); faster at lower resolution (9-bit ≈93.75ms).

Physical

Package

BME280: Breakout Board
DS18B20: TO-92Source
Also commonly sold repackaged into a waterproof stainless-steel probe on a cable — same die, same electrical spec.

Length

BME280: Varies by vendor
The Bosch die is a fixed 2.5×2.5×0.93mm LGA, but breakout PCB size varies a lot between vendors (commonly 11×11mm to 15×12mm).
DS18B20: Unknown

Mounting

BME280: module
DS18B20: tht

Thermal

Min Operating Temp

BME280: -40 °CSource
DS18B20: -55 °CSource

Max Operating Temp

BME280: 85 °CSource
DS18B20: 125 °CSource

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Compare electronics parts

Choose 2–4 parts

Structured comparison

Overview

Manufacturer

Category

Object type

Package

Documented pins

Interfaces

Lifecycle

Physical pin mapping

Browser simulation

Electrical

Active Supply Current

Sleep Supply Current

Operating Voltage

Interface

Interface

I2C Address(es)

Performance

Measures

Range Min

Range Max

Accuracy

Resolution

Sampling Rate

Physical

Package

Length

Mounting

Thermal

Min Operating Temp

Max Operating Temp