Telegraph vs ExtraPower

HOW TO MEMORIZE MORSE CODE AND HAVE FUN? EASY ANSWER：BY PLAYING GAMES. LET’S PLAY TELEGRAPH AND RECOLLECT THE GOOD OLD DAYS! YOU CAN CHOOSE DIFFERENT SCENES TO PLAY WITH, AS FOLLOWING： - Mona Lisa's secret smile - Espionage Finger Signaling - Sistine Chapel Ceiling by Michelangelo - The Creation of Adam - Burj Khalifa up in the air - Butterflies Flapping - Bunny Winking - Panda Laid Back - Wartime Propaganda Posters - Uncle Sam - Rosie The Riveter - Ukiyo-E Prints - Chimps Smiling - Signal Lamp - Lightning - Traditional Telegraph-Use in Military - Missile Firing - Oil Lamp - Flower Blooming - Statue of Liberty Holding the Torch INTERNATIONAL MORSE CODE A •ー B ー••• C ー•ー• D ー•• E • F ••ー• G ーー• H •••• I •• J •ーーー K ー•ー L •ー•• M ーー N ー• O ーーー P •ーー• Q ーー•ー R •ー• S ••• T ー U ••ー V •••ー W •ーー X ー••ー Y ー•ーー Z ーー•• Morse code has been in use for more than 160 years, longer than any other electrical coding system. International Morse code today is most popular among amateur radio operators. Morse code has been employed as an assistive technology, helping people with a variety of disabilities to communicate.

The best utility tool provides comprehensive monitoring for ExtraPower LiFePO4 batteries, including: Wirelessly connect to each battery from your phone(tablet). Track cycle life on each battery. Displays S tate of Charge(SOC) percentage with circle graphic. Displays voltage, charging or discharging current , and temperature. Connectivity distance up to 5meters. Uses Bluetooth BLE 4.0 or later. Compatible with Iphones with IOS 7.0 or later. Only one device connects at one time. Some phones(tablets) canot connect with any Bluetooth BLE devices since its hardware does not support Bluetooth BLE, irrelevant to the system version.