A simple USB switch so I can swap a keyboard or mouse between two computers.
It is operated by 4 single mechanical switches, 1 for each channel. Simple designs can be implemented.
Micro four-axis, complete design, anonymous small four-axis dry information sharing.
The source code has not been verified, using C language, AVR microcontroller
AVR moves left, moves right, increments and decreases water flow light
PiMod Zero brings old technology back to life by allowing the Raspberry Pi Zero to display color or black-and-white video and play audio on vintage TV sets. It provides a super compact way to watch old movies, play retro games, display digital art or browse using any TV operating system that receives standard NTSC broadcasts on VHF channels 2 and 3 (55.25 MHz and 61.25 MHz).
2-layer PCB 8.89 x 19.05 mm FR-4, 0.8 mm, 1, soldered with leads, white solder mask, black silkscreen
2 Layers PCB 42.2 x 68.8 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen;
The microcontroller uses MCS-51 series 89C51 (one piece), 74LS244 and 74LS373 (one piece each), inverting driver ULN2803A (one piece), and operational amplifier LM324 (one piece)
In industrial control, it is often necessary to count and measure products to achieve automatic control of equipment. This article introduces a method of making a counter that can set the count value arbitrarily within the display range. Moreover, the current count value, set value, and magnification value will not be lost when power is turned off. It is compatible with a variety of input signals and has a magnification accuracy of up to 5 digits. It is easy to use, stable and reliable, and can be widely used in machine tools, rubber, printing, pharmaceuticals, and cables. , textile, complete sets of control equipment and other industries.
Esai source code Smart energy-saving home manager based on MSP430
STEMinds Eduponics Mini is a smart agriculture and IoT board. With an ESP32 module at its core, Eduponics Mini features an array of built-in sensors - including temperature, humidity, air pressure, ambient light, water and soil moisture sensors - that work together to make smart farming simple and affordable. It supports Wi-Fi and Bluetooth connectivity and consumes very little power, making it ideal for real-world IoT applications. We believe that high-quality industrial IoT and smart agriculture technology should be accessible to everyone, not just those with significant resources and technical expertise. Using MicroPython or the Arduino IDE, you can design your smart garden in no time. We've collected all the documentation you need to guide you step by step into the world of electronics and programming.
Pixelblaze makes writing new LED patterns fast and fun using its real-time web-based editor and highly optimized expression engine. You can store a hundred patterns and write new ones by entering mathematical expressions or code that update in real time as you type. Pixelblaze is designed to make it easier to program LED patterns and intuitively understand how code and math affect those patterns.
Speech recognition + robot + ultrasonic ranging comprehensive application solution
Stereo Mic and Speaker HAT is an audio HAT for the Raspberry Pi board with dual speakers and microphones for stereo audio playback and recording. HAT does not need to be installed as the onboard EEPROM dynamically loads device tree overlays. First, all you need to do is plug in the HAT and boot up the Pi. Make sure not to plug or unplug the HAT while the Pi is powered on and running, but really, it's that simple! By default the amplifier gain is +9dB, but the amplifier gain can be changed via the onboard pads by adding a small amount of solder. The compact HAT measures 65mmx30mm, which is the same size as the Pi Zero, Adafruit's bonnet HAT and Pimoroni's pHAT, making it easy to use the HAT for a variety of projects.
Esai source code biofuel and gutter oil rapid detector
ANAVI Gas Detector is an open source, easy-to-use, Wi-Fi compatible development board for monitoring air quality and detecting hazardous gases. It supports popular analog MQ gas sensor modules such as MQ-135, MQ-2, MQ-3, etc. In addition, it comes with slots for a mini OLED display and up to three additional I²C sensor modules, including for the precise digital sensor HTU21D to measure temperature and humidity. Air pollution is a very serious problem. Monitoring air quality and detecting toxic gases can improve a person's quality of life. All these features make the ANAVI gas detector suitable for developers, manufacturers, students and open source enthusiasts interested in home automation and environmentally friendly lifestyles.
Kalman filter balancing car source code is available for personal testing
EEWorld
subscription
account
EEWorld
service
account
Automotive
development
community
Robot
development
community
About Us Customer Service Contact Information Datasheet Sitemap LatestNews
Room 1530, 15th Floor, Building B,
No.18 Zhongguancun Street,
Haidian District,
Beijing, Postal Code: 100190
China
Telephone: 008610 8235 0740
京公网安备 11010802033920号
