Raspberry Pi Pico microcontroller board (5 Pcs) - Product Features
- Raspberry Pi Pico is a low-cost, high-performance microcontroller board with flexible digital interfaces.
- RP2040 microcontroller chip designed by Raspberry Pi. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz.
- 26 × multi-function GPIO pins, 2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels.
- Accurate clock and timer on-chip, Temperature sensor, Accelerated floating-point libraries on-chip.
- 8× Programmable I/O (PIO) state machines for custom peripheral support. 264KB of SRAM, and 2MB of on-board Flash memory
MQ135 Air Quality and Hazardous Gas Detection Sensor Module for Arduino Raspberry Pi - Product Features
- High quality dual panel design with power indicator and TTL signal output indication.
- TTL output valid signal is low level, (output low signal light, which can be accessed microcontroller IO port).
- Analog output with increasing concentration, the higher the concentration, the higher the voltage.
- A hazardous gas detection apparatus for the family, the environment. Suitable for ammonia, aromatic compounds, sulfur, benzene vapor, and other gases harmful gas detection. Gas-sensitive element test concentration range: 10 to 1000ppm.
- Long service life, stable and reliable. Has fast response and recovery features.