[Tuya Smart] zigbee temperature and humidity sensor

Introduction: A development-free zigbee temperature and humidity sensor based on Tuya Smart, using electronic 2032 for power supply

Schematic PCB

smart curtains

Introduction: Smart Curtains

Schematic PCB

Four-channel temperature to serial port module-DS18B20

Introduction: A serial port module that can read four DS18B20 temperature values, and is equipped with a host computer. The host computer can record historical data to csv files, and at the same time, it can read the csv files and display the historical curves into the coordinate system. Follow the WeChat public account "IoT Zero Demon" and reply "DS18B20".

Schematic PCB

Human body induction charging night light

Introduction: cabinet aisle night light; lithium battery charge management; lithium battery discharge protection; light intensity sensor; pyroelectric human body induction; LED driver; voltage comparator. To obtain detailed development information, follow the WeChat public account "IoT Zero Demon" and reply with the keyword "night light".

Schematic PCB

BME680 gas sensor

Introduction: This project is based on the module design of the gas, humidity, pressure, and temperature sensor BME680.

Schematic PCB

[Course Design] Pointer type gas alarm 47415Y

Introduction: In the era when MCU was too expensive, analog circuits and pointer tables were used. Realize gas alarm. 4-20mA output. Mainly learn about op amp circuits.

Schematic PCB

[Tuya Smart] Internet of Things Temperature and Humidity

Introduction: Internet of Things Temperature and Humidity Internet of Things Temperature and Humidity

Schematic PCB

[Tuya Smart] IoT temperature and humidity sensor

Introduction: Can measure accurate values ​​and connect to mobile phone through module

Schematic PCB

ads1256 8-channel 24-bit adc

Introduction: This project is used for TI's analog-to-digital conversion chip ads1256, shopping mall number C28186

Schematic PCB

[Tuya Smart] Tuya does not need to develop a thermometer and hygrometer

Introduction: A development-free temperature and humidity meter based on the Tuya platform.

Schematic PCB

[Tuya Smart] Temperature and Humidity Sensor

Introduction: Zero-code temperature and humidity sensor_WiFi open source protocol: GPL 3.0

Schematic PCB

[Tuya Smart] IoT temperature and humidity machine

Introduction: This is my first time to draw schematics and PCBs. I designed them completely according to the schematics on the Tuya platform. There may be many mistakes. Thank you to the school committee and teachers for their hard work.

Schematic PCB

PCT2075DP-ARD: Arduino Shield

PCF85063AT-ARD: Arduino Shield -I ² C bus

Homemade lidar for $100

A Russian Github master has open sourced a DIY lidar project, from PCB to host computer software.

Schematic PCB

Intelligent atmospheric corrosion monitor circuit schematic + PCB source file

This intelligent atmospheric environment and corrosive monitoring platform integrates hardware, software, and network. With the stable performance IACM-321 platform system as the core, it realizes multi-level dynamic networking and remote status monitoring. It can be monitored in the monitoring/operation and maintenance center. The front-end system provides centralized monitoring and unified management, and uses customized intelligent terminals to achieve mobile monitoring. Convenient Click connect sensor interface, easy to install on smart terminals.

Schematic PCB

FRDMSTBANBP8XD: Freedom Shield Evaluation Board

Schematic PCB

Breakout board for FXLN83xxQ NXP accelerometers

Intelligent home appliance control system with environmental detection and networked real-time monitoring

Source code sharing of ST_SensorTile design competition works

Schematic PCB

Sensor Toolbox Development Boards for MMA845xQ 3-Axis Digital Accelerometer

Schematic PCB