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Selectable relay control pin via solder jumper
It requires no soldering and minimal tool use
The pixels are individually lit
5 Nylon Washers
Output Power: 18-26 dBm with ±1dB accuracy
Kitronik Battery Tester Project Kit FTDI Selectable relay control pin viaThe Kitronik Battery Tester Project Kit is an educational electronics kit designed to test battery charge levels using a simple LED indicator system. It is ideal for studying operational amplifiers with a practical hands on experience. The kit includes a single AA battery holder where the battery is placed, and LEDs indicate the remaining capacity of the battery. The circuit uses a quad operational amplifier (LM324) and comparators to control the LED
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