Koa Choi

Get ESP8285 Infrared Receiving and Transmitting WiFi Remote Control Switch Module Development Learning Board null Note: When power is supplied, please check 5V and GND carefully. The circuit has no reverse connection protection, and the wrong connection may burn the chip. When programming the program, IO0 and GND must be short-circuited, and the module needs to be powered on again. After programming, disconnect IO0 and GND and power on again to run the program normally. Connect with TTL downloader: GND--GND 5V--5V RX--TX TX--RX Package includes: 1 x Board ESP8285 Infrared Receiving and Transmitting WiFi Remote Control Switch Module Development Learning Board See detail

Buy New HDMI to USB2.0 UVC HD Video Capture HD Video Capture Box null Description: ezcap159 USB 2.0 supports Micro  system   and Apple dual-system video capture boxes, can directly collect high-quality audio and video files through the USB2.0 interface, and supports Micro and Apple dual-system. We have configured professional video editing software for  Micro  systems to provide professional editing functions. The software allows you to easily capture analog video, and edit the recorded files to obtain the effect you want. You can share the completed files, such as burning to DVD, uploading to a website, or playing on a portable device. (Note: For the Apple system, we only provide the acquisition software. You can use the QuickTime software that comes with the Apple system to edit, and then get the perfect video you want.) Features: -Includes professional and easy-to-use video editing software. -Universal USB 2.0 interface. -Simultaneously collect audio and video through USB 2.0 interf

Get DC 6-30V to 5V Electricity Meter Car Voltage 12V24V Battery Lead Acid Battery to 5V Dual USB Fast Charge Current Display null Description: Input voltage: DC6V-30V (Note: The USB port is a step-down power supply. If the input voltage is less than 12v, it cannot support 12V fast charging. The same is true for 9V fast charging, which means that the output voltage can only be less than the input voltage Power display: 7-segment display-13% 26% 39% 52% 65% 78% 91% Output voltage: default 5V, automatically adjust between 3.12V after triggering fast charging Output power: USB1 maximum 24W (5V @ 4A, 9V@2.5A, 12V @ 2A etc.) USB2 max 24 (5V @ 4A, 9V@2.5A, 12V @ 2A, etc.) USB efficiency: 90-97% Support multiple fast charging protocols Input anti-reverse protection Output over current and short circuit protection Working temperature: -10 ℃ -60 ℃ Working humidity: 10-80% (no condensation) Installation size: 75mm * 39mm Note: 1. The power meter defaults to 12V battery mode, other specifications

Get 4S Strings 16.8V 18A 18650 Lithium Battery Charge and Discharge Protection Board with Probe null Description: The protection board adopts a mature 4-string special lithium battery protection chip with high integration and high sensitivity characteristics. By detecting information such as battery voltage, charge and discharge current and ambient temperature, the battery is overcharged, overdischarged, discharged overcurrent, short circuited, Real-time protection such as charging overcurrent, temperature protection, etc., can also be adjusted by external circuits. Charging voltage  16.8V Single charging voltage  4.2V Current continuous discharge current  0-18A Overcharge protection Overcharge single cell detection voltage  4.2 ± 0.05V Overcharge protection delay  1S Overcharge recovery voltage  4.13 ± 0.05V Overcharge protection release delay  20mS Over-release protection delay  1S Overspeed recovery voltage  3.0V Overdraft protection release  20mS Overcurrent protection overcurrent