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Raspberry Pi向けに設計されたRTCモジュールです。通信はI2Cで行い、Maxim製DS1307とボタン電池によりRaspberry Piがパワーオフ後も長時間、時間を計測します。デバッグを行うために、ボード上には5V、3.3V、Rxd、Txdの5つのピンが設定されています。Maxim製リアルタイムクロックIC DS1307 使用。バックアップ用としてボタン電池 CR1220 搭載可能。shellコマンドで操作可能。プログラマブルなパルス出力。低消費電力(バッテリーバックアップ時 500nA未満)。低電圧を検出すると自動で回路を切り替え

Dual Bee type socket。3 indicator LED(ON/Sleep， RSSI， ASSOC)for each Xbee。Full size with free drills。Reset button for each Xbee。Reset button for base board。Provide maximal 500mA under 3.3V。Full break out for each Bee。Switchable of communication with FTDI-USB /Base board。Bees shield will make interfacing multiple Bee-style(XBee、GPS Bee、Bluetooth Bee and etc)easier than ever before. Aside from dual Bee style 20p 2.0 pitch socket、it also has large proto area、customizable software、serial、port for easier prototyping.

It's interesting to hack one of your appliances or lighting projects into a whistle controlled intelligent one. The whistled allows you to do so by simply whistling two musical notes. To set it up、you just need to connect your 5.5/2.1mm DC connector on one end and your load on the other.。Specifications。ESD protected PCB、covered in transparent heat shrinkable tubing。Voltage must be between 4.5 and 18V at the input(barrel connector)。Reversed polarity protection。Max current of 5A。16 bits PWM output。SWD pads for programming。Listening range of 15m / 50feet。Cortex M4 microcontroller performing 80 FFTs / sec。Maximum voltage on the screw terminals is 25 Volts(don't forget the flyback diode!)

Grove Solid State Relay is a non-contact electronic switch module that has relay features. Based on S208T02、it has a maximum output of 250VAC/4A、with a switching speed less than 10ms. This module is equipped with acrylic base and a 3D-printed protection insulation shield、for user's safety. The featured LED indicates that the relay is on. It can be widely used in various areas such as computer peripheral interfaces、temperature/speed light adjustment、servo control、petrochemical、medical instrumentations、financial devices、coal、meters、traffic signals、etc.。Features。Compatible with both 3.3V and 5V control level。Low switching latency(10ms)。LED on-state indicator。Featured radiator provide better stability。Acrylic base and insulation paper increase safety performance。Grove compatible

5V/3.3V breadboard power supply designed by SeeedStudio. It can directly takes power from DC wall wart and outputs both 5V and 3.3V regulated voltage. Compare to other breadboard power supply designs、this one provided micro-USB port、you can use both 5V and 3.3V regulated voltage. The 5V/3.3V breadboard power supply includes micro-USB port and power jack port. This power supply fits the breadboard which is 5.3cm wide like Bread board Clear - 8.2×5.3cm、and it can fit the 5.5cm wide breadboard too Basic Bread board - 16.55.5 cm、but just a little tight.。Features：Dual lane outpu。Dual power port input。5V/3.3V regulated voltage。Maximun output current is 400mA。Part list：5V/3.3V Breadboard Power Supply Board 1。Specification：Input voltage：7V 15V。Output Voltage：3.3V Channel：3.267V - 3.333V。5V Channel：4.9V 5.1V。Output current 400mA